/* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
- Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
-#include <stdio.h>
-#include <ctype.h>
#include "as.h"
+#include "safe-ctype.h"
#include "subsegs.h"
-
+#include "dw2gencfi.h"
#include "opcode/ppc.h"
#ifdef OBJ_ELF
#include "elf/ppc.h"
+#include "dwarf2dbg.h"
#endif
#ifdef TE_PE
/* Whether to use user friendly register names. */
#ifndef TARGET_REG_NAMES_P
#ifdef TE_PE
-#define TARGET_REG_NAMES_P true
+#define TARGET_REG_NAMES_P TRUE
#else
-#define TARGET_REG_NAMES_P false
+#define TARGET_REG_NAMES_P FALSE
#endif
#endif
-static boolean reg_names_p = TARGET_REG_NAMES_P;
+/* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST,
+ HIGHESTA. */
+
+/* #lo(value) denotes the least significant 16 bits of the indicated. */
+#define PPC_LO(v) ((v) & 0xffff)
+
+/* #hi(value) denotes bits 16 through 31 of the indicated value. */
+#define PPC_HI(v) (((v) >> 16) & 0xffff)
+
+/* #ha(value) denotes the high adjusted value: bits 16 through 31 of
+ the indicated value, compensating for #lo() being treated as a
+ signed number. */
+#define PPC_HA(v) PPC_HI ((v) + 0x8000)
+
+/* #higher(value) denotes bits 32 through 47 of the indicated value. */
+#define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff)
+
+/* #highera(value) denotes bits 32 through 47 of the indicated value,
+ compensating for #lo() being treated as a signed number. */
+#define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000)
-static void ppc_set_cpu PARAMS ((void));
-static unsigned long ppc_insert_operand
- PARAMS ((unsigned long insn, const struct powerpc_operand *operand,
- offsetT val, char *file, unsigned int line));
-static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro));
-static void ppc_byte PARAMS ((int));
-static int ppc_is_toc_sym PARAMS ((symbolS *sym));
-static void ppc_tc PARAMS ((int));
+/* #highest(value) denotes bits 48 through 63 of the indicated value. */
+#define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff)
+
+/* #highesta(value) denotes bits 48 through 63 of the indicated value,
+ compensating for #lo being treated as a signed number. */
+#define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000)
+
+#define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000)
+
+static bfd_boolean reg_names_p = TARGET_REG_NAMES_P;
+
+static void ppc_macro (char *, const struct powerpc_macro *);
+static void ppc_byte (int);
+
+#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
+static void ppc_tc (int);
+static void ppc_machine (int);
+#endif
#ifdef OBJ_XCOFF
-static void ppc_comm PARAMS ((int));
-static void ppc_bb PARAMS ((int));
-static void ppc_bc PARAMS ((int));
-static void ppc_bf PARAMS ((int));
-static void ppc_biei PARAMS ((int));
-static void ppc_bs PARAMS ((int));
-static void ppc_eb PARAMS ((int));
-static void ppc_ec PARAMS ((int));
-static void ppc_ef PARAMS ((int));
-static void ppc_es PARAMS ((int));
-static void ppc_csect PARAMS ((int));
-static void ppc_change_csect PARAMS ((symbolS *));
-static void ppc_function PARAMS ((int));
-static void ppc_extern PARAMS ((int));
-static void ppc_lglobl PARAMS ((int));
-static void ppc_section PARAMS ((int));
-static void ppc_stabx PARAMS ((int));
-static void ppc_rename PARAMS ((int));
-static void ppc_toc PARAMS ((int));
+static void ppc_comm (int);
+static void ppc_bb (int);
+static void ppc_bc (int);
+static void ppc_bf (int);
+static void ppc_biei (int);
+static void ppc_bs (int);
+static void ppc_eb (int);
+static void ppc_ec (int);
+static void ppc_ef (int);
+static void ppc_es (int);
+static void ppc_csect (int);
+static void ppc_change_csect (symbolS *, offsetT);
+static void ppc_function (int);
+static void ppc_extern (int);
+static void ppc_lglobl (int);
+static void ppc_ref (int);
+static void ppc_section (int);
+static void ppc_named_section (int);
+static void ppc_stabx (int);
+static void ppc_rename (int);
+static void ppc_toc (int);
+static void ppc_xcoff_cons (int);
+static void ppc_vbyte (int);
#endif
#ifdef OBJ_ELF
-static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **));
-static void ppc_elf_cons PARAMS ((int));
-static void ppc_elf_validate_fix PARAMS ((fixS *, segT));
+static void ppc_elf_cons (int);
+static void ppc_elf_rdata (int);
+static void ppc_elf_lcomm (int);
#endif
#ifdef TE_PE
-static void ppc_set_current_section PARAMS ((segT));
-static void ppc_previous PARAMS ((int));
-static void ppc_pdata PARAMS ((int));
-static void ppc_ydata PARAMS ((int));
-static void ppc_reldata PARAMS ((int));
-static void ppc_rdata PARAMS ((int));
-static void ppc_ualong PARAMS ((int));
-static void ppc_znop PARAMS ((int));
-static void ppc_pe_comm PARAMS ((int));
-static void ppc_pe_section PARAMS ((int));
-static void ppc_pe_function PARAMS ((int));
-static void ppc_pe_tocd PARAMS ((int));
+static void ppc_previous (int);
+static void ppc_pdata (int);
+static void ppc_ydata (int);
+static void ppc_reldata (int);
+static void ppc_rdata (int);
+static void ppc_ualong (int);
+static void ppc_znop (int);
+static void ppc_pe_comm (int);
+static void ppc_pe_section (int);
+static void ppc_pe_function (int);
+static void ppc_pe_tocd (int);
#endif
\f
/* Generic assembler global variables which must be defined by all
targets. */
-/* Characters which always start a comment. */
-const char comment_chars[] = "#!";
+#ifdef OBJ_ELF
+/* This string holds the chars that always start a comment. If the
+ pre-processor is disabled, these aren't very useful. The macro
+ tc_comment_chars points to this. We use this, rather than the
+ usual comment_chars, so that we can switch for Solaris conventions. */
+static const char ppc_solaris_comment_chars[] = "#!";
+static const char ppc_eabi_comment_chars[] = "#";
+
+#ifdef TARGET_SOLARIS_COMMENT
+const char *ppc_comment_chars = ppc_solaris_comment_chars;
+#else
+const char *ppc_comment_chars = ppc_eabi_comment_chars;
+#endif
+#else
+const char comment_chars[] = "#";
+#endif
/* Characters which start a comment at the beginning of a line. */
const char line_comment_chars[] = "#";
/* Characters which mean that a number is a floating point constant,
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
+
+/* Anything that can start an operand needs to be mentioned here,
+ to stop the input scrubber eating whitespace. */
+const char ppc_symbol_chars[] = "%[";
+
+/* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
+int ppc_cie_data_alignment;
+
+/* The type of processor we are assembling for. This is one or more
+ of the PPC_OPCODE flags defined in opcode/ppc.h. */
+ppc_cpu_t ppc_cpu = 0;
+
+/* Flags set on encountering toc relocs. */
+enum {
+ has_large_toc_reloc = 1,
+ has_small_toc_reloc = 2
+} toc_reloc_types;
\f
/* The target specific pseudo-ops which we support. */
{ "extern", ppc_extern, 0 },
{ "function", ppc_function, 0 },
{ "lglobl", ppc_lglobl, 0 },
+ { "ref", ppc_ref, 0 },
{ "rename", ppc_rename, 0 },
+ { "section", ppc_named_section, 0 },
{ "stabx", ppc_stabx, 0 },
{ "text", ppc_section, 't' },
{ "toc", ppc_toc, 0 },
+ { "long", ppc_xcoff_cons, 2 },
+ { "llong", ppc_xcoff_cons, 3 },
+ { "word", ppc_xcoff_cons, 1 },
+ { "short", ppc_xcoff_cons, 1 },
+ { "vbyte", ppc_vbyte, 0 },
#endif
#ifdef OBJ_ELF
+ { "llong", ppc_elf_cons, 8 },
+ { "quad", ppc_elf_cons, 8 },
{ "long", ppc_elf_cons, 4 },
{ "word", ppc_elf_cons, 2 },
{ "short", ppc_elf_cons, 2 },
+ { "rdata", ppc_elf_rdata, 0 },
+ { "rodata", ppc_elf_rdata, 0 },
+ { "lcomm", ppc_elf_lcomm, 0 },
#endif
#ifdef TE_PE
- /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format */
+ /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
{ "previous", ppc_previous, 0 },
{ "pdata", ppc_pdata, 0 },
{ "ydata", ppc_ydata, 0 },
{ "tocd", ppc_pe_tocd, 0 },
#endif
- /* This pseudo-op is used even when not generating XCOFF output. */
+#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
{ "tc", ppc_tc, 0 },
+ { "machine", ppc_machine, 0 },
+#endif
{ NULL, NULL, 0 }
};
\f
-/* Predefined register names if -mregnames (or default for Windows NT). */
-/* In general, there are lots of them, in an attempt to be compatible */
-/* with a number of other Windows NT assemblers. */
+/* Predefined register names if -mregnames (or default for Windows NT).
+ In general, there are lots of them, in an attempt to be compatible
+ with a number of other Windows NT assemblers. */
/* Structure to hold information about predefined registers. */
struct pd_reg
1. r<reg_num> which has the value <reg_num>.
2. r.<reg_num> which has the value <reg_num>.
-
Each floating point register has predefined names of the form:
1. f<reg_num> which has the value <reg_num>.
2. f.<reg_num> which has the value <reg_num>.
+ Each vector unit register has predefined names of the form:
+ 1. v<reg_num> which has the value <reg_num>.
+ 2. v.<reg_num> which has the value <reg_num>.
+
Each condition register has predefined names of the form:
1. cr<reg_num> which has the value <reg_num>.
2. cr.<reg_num> which has the value <reg_num>.
srr0 has the value 26
srr1 has the value 27
- The table is sorted. Suitable for searching by a binary search. */
+ The table is sorted. Suitable for searching by a binary search. */
static const struct pd_reg pre_defined_registers[] =
{
{ "dsisr", 18 }, /* Data Storage Interrupt Status Register */
{ "f.0", 0 }, /* Floating point registers */
- { "f.1", 1 },
- { "f.10", 10 },
- { "f.11", 11 },
- { "f.12", 12 },
- { "f.13", 13 },
- { "f.14", 14 },
- { "f.15", 15 },
- { "f.16", 16 },
- { "f.17", 17 },
- { "f.18", 18 },
- { "f.19", 19 },
- { "f.2", 2 },
- { "f.20", 20 },
- { "f.21", 21 },
- { "f.22", 22 },
- { "f.23", 23 },
- { "f.24", 24 },
- { "f.25", 25 },
- { "f.26", 26 },
- { "f.27", 27 },
- { "f.28", 28 },
- { "f.29", 29 },
- { "f.3", 3 },
+ { "f.1", 1 },
+ { "f.10", 10 },
+ { "f.11", 11 },
+ { "f.12", 12 },
+ { "f.13", 13 },
+ { "f.14", 14 },
+ { "f.15", 15 },
+ { "f.16", 16 },
+ { "f.17", 17 },
+ { "f.18", 18 },
+ { "f.19", 19 },
+ { "f.2", 2 },
+ { "f.20", 20 },
+ { "f.21", 21 },
+ { "f.22", 22 },
+ { "f.23", 23 },
+ { "f.24", 24 },
+ { "f.25", 25 },
+ { "f.26", 26 },
+ { "f.27", 27 },
+ { "f.28", 28 },
+ { "f.29", 29 },
+ { "f.3", 3 },
{ "f.30", 30 },
{ "f.31", 31 },
- { "f.4", 4 },
- { "f.5", 5 },
- { "f.6", 6 },
- { "f.7", 7 },
- { "f.8", 8 },
- { "f.9", 9 },
-
- { "f0", 0 },
- { "f1", 1 },
- { "f10", 10 },
- { "f11", 11 },
- { "f12", 12 },
- { "f13", 13 },
- { "f14", 14 },
- { "f15", 15 },
- { "f16", 16 },
- { "f17", 17 },
- { "f18", 18 },
- { "f19", 19 },
- { "f2", 2 },
- { "f20", 20 },
- { "f21", 21 },
- { "f22", 22 },
- { "f23", 23 },
- { "f24", 24 },
- { "f25", 25 },
- { "f26", 26 },
- { "f27", 27 },
- { "f28", 28 },
- { "f29", 29 },
- { "f3", 3 },
+
+ { "f.32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */
+ { "f.33", 33 },
+ { "f.34", 34 },
+ { "f.35", 35 },
+ { "f.36", 36 },
+ { "f.37", 37 },
+ { "f.38", 38 },
+ { "f.39", 39 },
+ { "f.4", 4 },
+ { "f.40", 40 },
+ { "f.41", 41 },
+ { "f.42", 42 },
+ { "f.43", 43 },
+ { "f.44", 44 },
+ { "f.45", 45 },
+ { "f.46", 46 },
+ { "f.47", 47 },
+ { "f.48", 48 },
+ { "f.49", 49 },
+ { "f.5", 5 },
+ { "f.50", 50 },
+ { "f.51", 51 },
+ { "f.52", 52 },
+ { "f.53", 53 },
+ { "f.54", 54 },
+ { "f.55", 55 },
+ { "f.56", 56 },
+ { "f.57", 57 },
+ { "f.58", 58 },
+ { "f.59", 59 },
+ { "f.6", 6 },
+ { "f.60", 60 },
+ { "f.61", 61 },
+ { "f.62", 62 },
+ { "f.63", 63 },
+ { "f.7", 7 },
+ { "f.8", 8 },
+ { "f.9", 9 },
+
+ { "f0", 0 },
+ { "f1", 1 },
+ { "f10", 10 },
+ { "f11", 11 },
+ { "f12", 12 },
+ { "f13", 13 },
+ { "f14", 14 },
+ { "f15", 15 },
+ { "f16", 16 },
+ { "f17", 17 },
+ { "f18", 18 },
+ { "f19", 19 },
+ { "f2", 2 },
+ { "f20", 20 },
+ { "f21", 21 },
+ { "f22", 22 },
+ { "f23", 23 },
+ { "f24", 24 },
+ { "f25", 25 },
+ { "f26", 26 },
+ { "f27", 27 },
+ { "f28", 28 },
+ { "f29", 29 },
+ { "f3", 3 },
{ "f30", 30 },
{ "f31", 31 },
- { "f4", 4 },
- { "f5", 5 },
- { "f6", 6 },
- { "f7", 7 },
- { "f8", 8 },
- { "f9", 9 },
+
+ { "f32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */
+ { "f33", 33 },
+ { "f34", 34 },
+ { "f35", 35 },
+ { "f36", 36 },
+ { "f37", 37 },
+ { "f38", 38 },
+ { "f39", 39 },
+ { "f4", 4 },
+ { "f40", 40 },
+ { "f41", 41 },
+ { "f42", 42 },
+ { "f43", 43 },
+ { "f44", 44 },
+ { "f45", 45 },
+ { "f46", 46 },
+ { "f47", 47 },
+ { "f48", 48 },
+ { "f49", 49 },
+ { "f5", 5 },
+ { "f50", 50 },
+ { "f51", 51 },
+ { "f52", 52 },
+ { "f53", 53 },
+ { "f54", 54 },
+ { "f55", 55 },
+ { "f56", 56 },
+ { "f57", 57 },
+ { "f58", 58 },
+ { "f59", 59 },
+ { "f6", 6 },
+ { "f60", 60 },
+ { "f61", 61 },
+ { "f62", 62 },
+ { "f63", 63 },
+ { "f7", 7 },
+ { "f8", 8 },
+ { "f9", 9 },
{ "fpscr", 0 },
+ /* Quantization registers used with pair single instructions. */
+ { "gqr.0", 0 },
+ { "gqr.1", 1 },
+ { "gqr.2", 2 },
+ { "gqr.3", 3 },
+ { "gqr.4", 4 },
+ { "gqr.5", 5 },
+ { "gqr.6", 6 },
+ { "gqr.7", 7 },
+ { "gqr0", 0 },
+ { "gqr1", 1 },
+ { "gqr2", 2 },
+ { "gqr3", 3 },
+ { "gqr4", 4 },
+ { "gqr5", 5 },
+ { "gqr6", 6 },
+ { "gqr7", 7 },
+
{ "lr", 8 }, /* Link Register */
{ "pmr", 0 },
{ "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
{ "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
+ { "v.0", 0 }, /* Vector (Altivec/VMX) registers */
+ { "v.1", 1 },
+ { "v.10", 10 },
+ { "v.11", 11 },
+ { "v.12", 12 },
+ { "v.13", 13 },
+ { "v.14", 14 },
+ { "v.15", 15 },
+ { "v.16", 16 },
+ { "v.17", 17 },
+ { "v.18", 18 },
+ { "v.19", 19 },
+ { "v.2", 2 },
+ { "v.20", 20 },
+ { "v.21", 21 },
+ { "v.22", 22 },
+ { "v.23", 23 },
+ { "v.24", 24 },
+ { "v.25", 25 },
+ { "v.26", 26 },
+ { "v.27", 27 },
+ { "v.28", 28 },
+ { "v.29", 29 },
+ { "v.3", 3 },
+ { "v.30", 30 },
+ { "v.31", 31 },
+ { "v.4", 4 },
+ { "v.5", 5 },
+ { "v.6", 6 },
+ { "v.7", 7 },
+ { "v.8", 8 },
+ { "v.9", 9 },
+
+ { "v0", 0 },
+ { "v1", 1 },
+ { "v10", 10 },
+ { "v11", 11 },
+ { "v12", 12 },
+ { "v13", 13 },
+ { "v14", 14 },
+ { "v15", 15 },
+ { "v16", 16 },
+ { "v17", 17 },
+ { "v18", 18 },
+ { "v19", 19 },
+ { "v2", 2 },
+ { "v20", 20 },
+ { "v21", 21 },
+ { "v22", 22 },
+ { "v23", 23 },
+ { "v24", 24 },
+ { "v25", 25 },
+ { "v26", 26 },
+ { "v27", 27 },
+ { "v28", 28 },
+ { "v29", 29 },
+ { "v3", 3 },
+ { "v30", 30 },
+ { "v31", 31 },
+ { "v4", 4 },
+ { "v5", 5 },
+ { "v6", 6 },
+ { "v7", 7 },
+ { "v8", 8 },
+ { "v9", 9 },
+
+ { "vs.0", 0 }, /* Vector Scalar (VSX) registers (ISA 2.06). */
+ { "vs.1", 1 },
+ { "vs.10", 10 },
+ { "vs.11", 11 },
+ { "vs.12", 12 },
+ { "vs.13", 13 },
+ { "vs.14", 14 },
+ { "vs.15", 15 },
+ { "vs.16", 16 },
+ { "vs.17", 17 },
+ { "vs.18", 18 },
+ { "vs.19", 19 },
+ { "vs.2", 2 },
+ { "vs.20", 20 },
+ { "vs.21", 21 },
+ { "vs.22", 22 },
+ { "vs.23", 23 },
+ { "vs.24", 24 },
+ { "vs.25", 25 },
+ { "vs.26", 26 },
+ { "vs.27", 27 },
+ { "vs.28", 28 },
+ { "vs.29", 29 },
+ { "vs.3", 3 },
+ { "vs.30", 30 },
+ { "vs.31", 31 },
+ { "vs.32", 32 },
+ { "vs.33", 33 },
+ { "vs.34", 34 },
+ { "vs.35", 35 },
+ { "vs.36", 36 },
+ { "vs.37", 37 },
+ { "vs.38", 38 },
+ { "vs.39", 39 },
+ { "vs.4", 4 },
+ { "vs.40", 40 },
+ { "vs.41", 41 },
+ { "vs.42", 42 },
+ { "vs.43", 43 },
+ { "vs.44", 44 },
+ { "vs.45", 45 },
+ { "vs.46", 46 },
+ { "vs.47", 47 },
+ { "vs.48", 48 },
+ { "vs.49", 49 },
+ { "vs.5", 5 },
+ { "vs.50", 50 },
+ { "vs.51", 51 },
+ { "vs.52", 52 },
+ { "vs.53", 53 },
+ { "vs.54", 54 },
+ { "vs.55", 55 },
+ { "vs.56", 56 },
+ { "vs.57", 57 },
+ { "vs.58", 58 },
+ { "vs.59", 59 },
+ { "vs.6", 6 },
+ { "vs.60", 60 },
+ { "vs.61", 61 },
+ { "vs.62", 62 },
+ { "vs.63", 63 },
+ { "vs.7", 7 },
+ { "vs.8", 8 },
+ { "vs.9", 9 },
+
+ { "vs0", 0 },
+ { "vs1", 1 },
+ { "vs10", 10 },
+ { "vs11", 11 },
+ { "vs12", 12 },
+ { "vs13", 13 },
+ { "vs14", 14 },
+ { "vs15", 15 },
+ { "vs16", 16 },
+ { "vs17", 17 },
+ { "vs18", 18 },
+ { "vs19", 19 },
+ { "vs2", 2 },
+ { "vs20", 20 },
+ { "vs21", 21 },
+ { "vs22", 22 },
+ { "vs23", 23 },
+ { "vs24", 24 },
+ { "vs25", 25 },
+ { "vs26", 26 },
+ { "vs27", 27 },
+ { "vs28", 28 },
+ { "vs29", 29 },
+ { "vs3", 3 },
+ { "vs30", 30 },
+ { "vs31", 31 },
+ { "vs32", 32 },
+ { "vs33", 33 },
+ { "vs34", 34 },
+ { "vs35", 35 },
+ { "vs36", 36 },
+ { "vs37", 37 },
+ { "vs38", 38 },
+ { "vs39", 39 },
+ { "vs4", 4 },
+ { "vs40", 40 },
+ { "vs41", 41 },
+ { "vs42", 42 },
+ { "vs43", 43 },
+ { "vs44", 44 },
+ { "vs45", 45 },
+ { "vs46", 46 },
+ { "vs47", 47 },
+ { "vs48", 48 },
+ { "vs49", 49 },
+ { "vs5", 5 },
+ { "vs50", 50 },
+ { "vs51", 51 },
+ { "vs52", 52 },
+ { "vs53", 53 },
+ { "vs54", 54 },
+ { "vs55", 55 },
+ { "vs56", 56 },
+ { "vs57", 57 },
+ { "vs58", 58 },
+ { "vs59", 59 },
+ { "vs6", 6 },
+ { "vs60", 60 },
+ { "vs61", 61 },
+ { "vs62", 62 },
+ { "vs63", 63 },
+ { "vs7", 7 },
+ { "vs8", 8 },
+ { "vs9", 9 },
+
{ "xer", 1 },
};
-#define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
+#define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
/* Given NAME, find the register number associated with that name, return
the integer value associated with the given name or -1 on failure. */
-static int reg_name_search PARAMS ( (char * name) );
-
static int
-reg_name_search (name)
- char *name;
+reg_name_search (const struct pd_reg *regs, int regcount, const char *name)
{
int middle, low, high;
int cmp;
low = 0;
- high = REG_NAME_CNT - 1;
+ high = regcount - 1;
do
{
middle = (low + high) / 2;
- cmp = strcasecmp (name, pre_defined_registers[middle].name);
+ cmp = strcasecmp (name, regs[middle].name);
if (cmp < 0)
high = middle - 1;
else if (cmp > 0)
low = middle + 1;
else
- return pre_defined_registers[middle].value;
+ return regs[middle].value;
}
while (low <= high);
}
/*
- * Summary of register_name().
+ * Summary of register_name.
*
* in: Input_line_pointer points to 1st char of operand.
*
* original state.
*/
-static boolean
-register_name (expressionP)
- expressionS *expressionP;
+static bfd_boolean
+register_name (expressionS *expressionP)
{
int reg_number;
char *name;
char *start;
char c;
- /* Find the spelling of the operand */
+ /* Find the spelling of the operand. */
start = name = input_line_pointer;
- if (name[0] == '%' && isalpha (name[1]))
+ if (name[0] == '%' && ISALPHA (name[1]))
name = ++input_line_pointer;
- else if (!reg_names_p || !isalpha (name[0]))
- return false;
+ else if (!reg_names_p || !ISALPHA (name[0]))
+ return FALSE;
c = get_symbol_end ();
- reg_number = reg_name_search (name);
+ reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
+
+ /* Put back the delimiting char. */
+ *input_line_pointer = c;
- /* look to see if it's in the register table */
- if (reg_number >= 0)
+ /* Look to see if it's in the register table. */
+ if (reg_number >= 0)
{
expressionP->X_op = O_register;
expressionP->X_add_number = reg_number;
-
- /* make the rest nice */
+
+ /* Make the rest nice. */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
- *input_line_pointer = c; /* put back the delimiting char */
- return true;
- }
- else
- {
- /* reset the line as if we had not done anything */
- *input_line_pointer = c; /* put back the delimiting char */
- input_line_pointer = start; /* reset input_line pointer */
- return false;
+ return TRUE;
}
+
+ /* Reset the line as if we had not done anything. */
+ input_line_pointer = start;
+ return FALSE;
}
+\f
+/* This function is called for each symbol seen in an expression. It
+ handles the special parsing which PowerPC assemblers are supposed
+ to use for condition codes. */
+/* Whether to do the special parsing. */
+static bfd_boolean cr_operand;
+
+/* Names to recognize in a condition code. This table is sorted. */
+static const struct pd_reg cr_names[] =
+{
+ { "cr0", 0 },
+ { "cr1", 1 },
+ { "cr2", 2 },
+ { "cr3", 3 },
+ { "cr4", 4 },
+ { "cr5", 5 },
+ { "cr6", 6 },
+ { "cr7", 7 },
+ { "eq", 2 },
+ { "gt", 1 },
+ { "lt", 0 },
+ { "so", 3 },
+ { "un", 3 }
+};
+
+/* Parsing function. This returns non-zero if it recognized an
+ expression. */
+
+int
+ppc_parse_name (const char *name, expressionS *exp)
+{
+ int val;
+
+ if (! cr_operand)
+ return 0;
+
+ if (*name == '%')
+ ++name;
+ val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0],
+ name);
+ if (val < 0)
+ return 0;
+
+ exp->X_op = O_constant;
+ exp->X_add_number = val;
+
+ return 1;
+}
\f
/* Local variables. */
-/* The type of processor we are assembling for. This is one or more
- of the PPC_OPCODE flags defined in opcode/ppc.h. */
-static int ppc_cpu = 0;
-
-/* The size of the processor we are assembling for. This is either
- PPC_OPCODE_32 or PPC_OPCODE_64. */
-static int ppc_size = PPC_OPCODE_32;
+/* Whether to target xcoff64/elf64. */
+static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64;
/* Opcode hash table. */
static struct hash_control *ppc_hash;
static struct hash_control *ppc_macro_hash;
#ifdef OBJ_ELF
-/* Whether to warn about non PC relative relocations that aren't
- in the .got2 section. */
-static boolean mrelocatable = false;
+/* What type of shared library support to use. */
+static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE;
-/* Flags to set in the elf header */
+/* Flags to set in the elf header. */
static flagword ppc_flags = 0;
+
+/* Whether this is Solaris or not. */
+#ifdef TARGET_SOLARIS_COMMENT
+#define SOLARIS_P TRUE
+#else
+#define SOLARIS_P FALSE
+#endif
+
+static bfd_boolean msolaris = SOLARIS_P;
#endif
#ifdef OBJ_XCOFF
static segT rdata_section;
static segT tocdata_section;
-/* The current section and the previous section. See ppc_previous. */
+/* The current section and the previous section. See ppc_previous. */
static segT ppc_previous_section;
static segT ppc_current_section;
#ifdef OBJ_ELF
symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
-#endif /* OBJ_ELF */
+#define PPC_APUINFO_ISEL 0x40
+#define PPC_APUINFO_PMR 0x41
+#define PPC_APUINFO_RFMCI 0x42
+#define PPC_APUINFO_CACHELCK 0x43
+#define PPC_APUINFO_SPE 0x100
+#define PPC_APUINFO_EFS 0x101
+#define PPC_APUINFO_BRLOCK 0x102
-#ifndef WORKING_DOT_WORD
-const int md_short_jump_size = 4;
-const int md_long_jump_size = 4;
-#endif
+/*
+ * We keep a list of APUinfo
+ */
+unsigned long *ppc_apuinfo_list;
+unsigned int ppc_apuinfo_num;
+unsigned int ppc_apuinfo_num_alloc;
+#endif /* OBJ_ELF */
\f
#ifdef OBJ_ELF
-CONST char *md_shortopts = "b:l:usm:VQ:";
+const char *const md_shortopts = "b:l:usm:K:VQ:";
#else
-CONST char *md_shortopts = "um:";
+const char *const md_shortopts = "um:";
#endif
-struct option md_longopts[] = {
+const struct option md_longopts[] = {
{NULL, no_argument, NULL, 0}
};
-size_t md_longopts_size = sizeof(md_longopts);
+const size_t md_longopts_size = sizeof (md_longopts);
int
-md_parse_option (c, arg)
- int c;
- char *arg;
+md_parse_option (int c, char *arg)
{
+ ppc_cpu_t new_cpu;
+
switch (c)
{
case 'u':
#ifdef OBJ_ELF
case 'l':
/* Solaris as takes -le (presumably for little endian). For completeness
- sake, recognize -be also. */
+ sake, recognize -be also. */
if (strcmp (arg, "e") == 0)
{
target_big_endian = 0;
return 0;
break;
+
+ case 'K':
+ /* Recognize -K PIC. */
+ if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0)
+ {
+ shlib = SHLIB_PIC;
+ ppc_flags |= EF_PPC_RELOCATABLE_LIB;
+ }
+ else
+ return 0;
+
+ break;
#endif
- case 'm':
- /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2
- (RIOS2). */
- if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0)
- ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2;
- /* -mpwr means to assemble for the IBM POWER (RIOS1). */
- else if (strcmp (arg, "pwr") == 0)
- ppc_cpu = PPC_OPCODE_POWER;
- /* -m601 means to assemble for the Motorola PowerPC 601, which includes
- instructions that are holdovers from the Power. */
- else if (strcmp (arg, "601") == 0)
- ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_601;
- /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the
- Motorola PowerPC 603/604. */
- else if (strcmp (arg, "ppc") == 0
- || strcmp (arg, "ppc32") == 0
- || strcmp (arg, "403") == 0
- || strcmp (arg, "603") == 0
- || strcmp (arg, "604") == 0)
- ppc_cpu = PPC_OPCODE_PPC;
- /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC
- 620. */
- else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0)
+ /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */
+ case 'a':
+ if (strcmp (arg, "64") == 0)
{
- ppc_cpu = PPC_OPCODE_PPC;
- ppc_size = PPC_OPCODE_64;
+#ifdef BFD64
+ ppc_obj64 = 1;
+#else
+ as_fatal (_("%s unsupported"), "-a64");
+#endif
}
- /* -mcom means assemble for the common intersection between Power
- and PowerPC. At present, we just allow the union, rather
- than the intersection. */
- else if (strcmp (arg, "com") == 0)
- ppc_cpu = PPC_OPCODE_COMMON;
- /* -many means to assemble for any architecture (PWR/PWRX/PPC). */
- else if (strcmp (arg, "any") == 0)
- ppc_cpu = PPC_OPCODE_ANY;
+ else if (strcmp (arg, "32") == 0)
+ ppc_obj64 = 0;
+ else
+ return 0;
+ break;
+
+ case 'm':
+ if ((new_cpu = ppc_parse_cpu (ppc_cpu, arg)) != 0)
+ ppc_cpu = new_cpu;
else if (strcmp (arg, "regnames") == 0)
- reg_names_p = true;
+ reg_names_p = TRUE;
else if (strcmp (arg, "no-regnames") == 0)
- reg_names_p = false;
+ reg_names_p = FALSE;
#ifdef OBJ_ELF
- /* -mrelocatable/-mrelocatable-lib -- warn about initializations that require relocation */
+ /* -mrelocatable/-mrelocatable-lib -- warn about initializations
+ that require relocation. */
else if (strcmp (arg, "relocatable") == 0)
{
- mrelocatable = true;
+ shlib = SHLIB_MRELOCATABLE;
ppc_flags |= EF_PPC_RELOCATABLE;
}
else if (strcmp (arg, "relocatable-lib") == 0)
{
- mrelocatable = true;
+ shlib = SHLIB_MRELOCATABLE;
ppc_flags |= EF_PPC_RELOCATABLE_LIB;
}
- /* -memb, set embedded bit */
+ /* -memb, set embedded bit. */
else if (strcmp (arg, "emb") == 0)
ppc_flags |= EF_PPC_EMB;
- /* -mlittle/-mbig set the endianess */
- else if (strcmp (arg, "little") == 0 || strcmp (arg, "little-endian") == 0)
+ /* -mlittle/-mbig set the endianess. */
+ else if (strcmp (arg, "little") == 0
+ || strcmp (arg, "little-endian") == 0)
{
target_big_endian = 0;
set_target_endian = 1;
target_big_endian = 1;
set_target_endian = 1;
}
+
+ else if (strcmp (arg, "solaris") == 0)
+ {
+ msolaris = TRUE;
+ ppc_comment_chars = ppc_solaris_comment_chars;
+ }
+
+ else if (strcmp (arg, "no-solaris") == 0)
+ {
+ msolaris = FALSE;
+ ppc_comment_chars = ppc_eabi_comment_chars;
+ }
#endif
else
{
- as_bad ("invalid switch -m%s", arg);
+ as_bad (_("invalid switch -m%s"), arg);
return 0;
}
break;
}
void
-md_show_usage (stream)
- FILE *stream;
+md_show_usage (FILE *stream)
{
- fprintf(stream, "\
+ fprintf (stream, _("\
PowerPC options:\n\
--u ignored\n\
--mpwrx, -mpwr2 generate code for IBM POWER/2 (RIOS2)\n\
--mpwr generate code for IBM POWER (RIOS1)\n\
--m601 generate code for Motorola PowerPC 601\n\
--mppc, -mppc32, -m403, -m603, -m604\n\
- generate code for Motorola PowerPC 603/604\n\
--mppc64, -m620 generate code for Motorola PowerPC 620\n\
--mcom generate code Power/PowerPC common instructions\n\
--many generate code for any architecture (PWR/PWRX/PPC)\n\
--mregnames Allow symbolic names for registers\n\
--mno-regnames Do not allow symbolic names for registers\n");
+-a32 generate ELF32/XCOFF32\n\
+-a64 generate ELF64/XCOFF64\n\
+-u ignored\n\
+-mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\
+-mpwr generate code for POWER (RIOS1)\n\
+-m601 generate code for PowerPC 601\n\
+-mppc, -mppc32, -m603, -m604\n\
+ generate code for PowerPC 603/604\n\
+-m403 generate code for PowerPC 403\n\
+-m405 generate code for PowerPC 405\n\
+-m440 generate code for PowerPC 440\n\
+-m464 generate code for PowerPC 464\n\
+-m476 generate code for PowerPC 476\n\
+-m7400, -m7410, -m7450, -m7455\n\
+ generate code for PowerPC 7400/7410/7450/7455\n\
+-m750cl generate code for PowerPC 750cl\n"));
+ fprintf (stream, _("\
+-mppc64, -m620 generate code for PowerPC 620/625/630\n\
+-mppc64bridge generate code for PowerPC 64, including bridge insns\n\
+-mbooke generate code for 32-bit PowerPC BookE\n\
+-ma2 generate code for A2 architecture\n\
+-mpower4, -mpwr4 generate code for Power4 architecture\n\
+-mpower5, -mpwr5, -mpwr5x\n\
+ generate code for Power5 architecture\n\
+-mpower6, -mpwr6 generate code for Power6 architecture\n\
+-mpower7, -mpwr7 generate code for Power7 architecture\n\
+-mcell generate code for Cell Broadband Engine architecture\n\
+-mcom generate code Power/PowerPC common instructions\n\
+-many generate code for any architecture (PWR/PWRX/PPC)\n"));
+ fprintf (stream, _("\
+-maltivec generate code for AltiVec\n\
+-mvsx generate code for Vector-Scalar (VSX) instructions\n\
+-me300 generate code for PowerPC e300 family\n\
+-me500, -me500x2 generate code for Motorola e500 core complex\n\
+-me500mc, generate code for Freescale e500mc core complex\n\
+-me500mc64, generate code for Freescale e500mc64 core complex\n\
+-mspe generate code for Motorola SPE instructions\n\
+-mtitan generate code for AppliedMicro Titan core complex\n\
+-mregnames Allow symbolic names for registers\n\
+-mno-regnames Do not allow symbolic names for registers\n"));
#ifdef OBJ_ELF
- fprintf(stream, "\
--mrelocatable support for GCC's -mrelocatble option\n\
--mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
--memb set PPC_EMB bit in ELF flags\n\
--mlittle, -mlittle-endian\n\
- generate code for a little endian machine\n\
--mbig, -mbig-endian generate code for a big endian machine\n\
--V print assembler version number\n\
--Qy, -Qn ignored\n");
+ fprintf (stream, _("\
+-mrelocatable support for GCC's -mrelocatble option\n\
+-mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
+-memb set PPC_EMB bit in ELF flags\n\
+-mlittle, -mlittle-endian, -l, -le\n\
+ generate code for a little endian machine\n\
+-mbig, -mbig-endian, -b, -be\n\
+ generate code for a big endian machine\n\
+-msolaris generate code for Solaris\n\
+-mno-solaris do not generate code for Solaris\n\
+-V print assembler version number\n\
+-Qy, -Qn ignored\n"));
#endif
}
\f
/* Set ppc_cpu if it is not already set. */
static void
-ppc_set_cpu ()
+ppc_set_cpu (void)
{
const char *default_os = TARGET_OS;
const char *default_cpu = TARGET_CPU;
- if (ppc_cpu == 0)
+ if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0)
{
- if (strncmp (default_os, "aix", 3) == 0
- && default_os[3] >= '4' && default_os[3] <= '9')
- ppc_cpu = PPC_OPCODE_COMMON;
+ if (ppc_obj64)
+ ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
+ else if (strncmp (default_os, "aix", 3) == 0
+ && default_os[3] >= '4' && default_os[3] <= '9')
+ ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32;
else if (strncmp (default_os, "aix3", 4) == 0)
- ppc_cpu = PPC_OPCODE_POWER;
+ ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
else if (strcmp (default_cpu, "rs6000") == 0)
- ppc_cpu = PPC_OPCODE_POWER;
- else if (strcmp (default_cpu, "powerpc") == 0
- || strcmp (default_cpu, "powerpcle") == 0)
- ppc_cpu = PPC_OPCODE_PPC;
+ ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
+ else if (strncmp (default_cpu, "powerpc", 7) == 0)
+ ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
else
- as_fatal ("Unknown default cpu = %s, os = %s", default_cpu, default_os);
+ as_fatal (_("Unknown default cpu = %s, os = %s"),
+ default_cpu, default_os);
}
}
-/* Figure out the BFD architecture to use. */
+/* Figure out the BFD architecture to use. This function and ppc_mach
+ are called well before md_begin, when the output file is opened. */
enum bfd_architecture
-ppc_arch ()
+ppc_arch (void)
{
const char *default_cpu = TARGET_CPU;
ppc_set_cpu ();
{
if (strcmp (default_cpu, "rs6000") == 0)
return bfd_arch_rs6000;
- else if (strcmp (default_cpu, "powerpc") == 0
- || strcmp (default_cpu, "powerpcle") == 0)
+ else if (strncmp (default_cpu, "powerpc", 7) == 0)
return bfd_arch_powerpc;
}
- as_fatal ("Neither Power nor PowerPC opcodes were selected.");
+ as_fatal (_("Neither Power nor PowerPC opcodes were selected."));
return bfd_arch_unknown;
}
-/* This function is called when the assembler starts up. It is called
- after the options have been parsed and the output file has been
- opened. */
+unsigned long
+ppc_mach (void)
+{
+ if (ppc_obj64)
+ return bfd_mach_ppc64;
+ else if (ppc_arch () == bfd_arch_rs6000)
+ return bfd_mach_rs6k;
+ else if (ppc_cpu & PPC_OPCODE_TITAN)
+ return bfd_mach_ppc_titan;
+ else
+ return bfd_mach_ppc;
+}
-void
-md_begin ()
+extern char*
+ppc_target_format (void)
+{
+#ifdef OBJ_COFF
+#ifdef TE_PE
+ return target_big_endian ? "pe-powerpc" : "pe-powerpcle";
+#elif TE_POWERMAC
+ return "xcoff-powermac";
+#else
+# ifdef TE_AIX5
+ return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000");
+# else
+ return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000");
+# endif
+#endif
+#endif
+#ifdef OBJ_ELF
+# ifdef TE_VXWORKS
+ return "elf32-powerpc-vxworks";
+# else
+ return (target_big_endian
+ ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc")
+ : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle"));
+# endif
+#endif
+}
+
+/* Insert opcodes and macros into hash tables. Called at startup and
+ for .cpu pseudo. */
+
+static void
+ppc_setup_opcodes (void)
{
- register const struct powerpc_opcode *op;
+ const struct powerpc_opcode *op;
const struct powerpc_opcode *op_end;
const struct powerpc_macro *macro;
const struct powerpc_macro *macro_end;
- boolean dup_insn = false;
+ bfd_boolean bad_insn = FALSE;
- ppc_set_cpu ();
-
-#ifdef OBJ_ELF
- /* Set the ELF flags if desired. */
- if (ppc_flags)
- bfd_set_private_flags (stdoutput, ppc_flags);
-#endif
+ if (ppc_hash != NULL)
+ hash_die (ppc_hash);
+ if (ppc_macro_hash != NULL)
+ hash_die (ppc_macro_hash);
/* Insert the opcodes into a hash table. */
ppc_hash = hash_new ();
+ if (ENABLE_CHECKING)
+ {
+ unsigned int i;
+
+ /* Check operand masks. Code here and in the disassembler assumes
+ all the 1's in the mask are contiguous. */
+ for (i = 0; i < num_powerpc_operands; ++i)
+ {
+ unsigned long mask = powerpc_operands[i].bitm;
+ unsigned long right_bit;
+ unsigned int j;
+
+ right_bit = mask & -mask;
+ mask += right_bit;
+ right_bit = mask & -mask;
+ if (mask != right_bit)
+ {
+ as_bad (_("powerpc_operands[%d].bitm invalid"), i);
+ bad_insn = TRUE;
+ }
+ for (j = i + 1; j < num_powerpc_operands; ++j)
+ if (memcmp (&powerpc_operands[i], &powerpc_operands[j],
+ sizeof (powerpc_operands[0])) == 0)
+ {
+ as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"),
+ j, i);
+ bad_insn = TRUE;
+ }
+ }
+ }
+
op_end = powerpc_opcodes + powerpc_num_opcodes;
for (op = powerpc_opcodes; op < op_end; op++)
{
- know ((op->opcode & op->mask) == op->opcode);
+ if (ENABLE_CHECKING)
+ {
+ const unsigned char *o;
+ unsigned long omask = op->mask;
+
+ if (op != powerpc_opcodes)
+ {
+ /* The major opcodes had better be sorted. Code in the
+ disassembler assumes the insns are sorted according to
+ major opcode. */
+ if (PPC_OP (op[0].opcode) < PPC_OP (op[-1].opcode))
+ {
+ as_bad (_("major opcode is not sorted for %s"),
+ op->name);
+ bad_insn = TRUE;
+ }
- if ((op->flags & ppc_cpu) != 0
+ /* Warn if the table isn't more strictly ordered.
+ Unfortunately it doesn't seem possible to order the
+ table on much more than the major opcode, which makes
+ it difficult to implement a binary search in the
+ disassembler. The problem is that we have multiple
+ ways to disassemble instructions, and we usually want
+ to choose a more specific form (with more bits set in
+ the opcode) than a more general form. eg. all of the
+ following are equivalent:
+ bne label # opcode = 0x40820000, mask = 0xff830003
+ bf 2,label # opcode = 0x40800000, mask = 0xff800003
+ bc 4,2,label # opcode = 0x40000000, mask = 0xfc000003
+
+ There are also cases where the table needs to be out
+ of order to disassemble the correct instruction for
+ processor variants. */
+ else if (0)
+ {
+ unsigned long t1 = op[0].opcode;
+ unsigned long t2 = op[-1].opcode;
+
+ if (((t1 ^ t2) & 0xfc0007ff) == 0
+ && (t1 & 0xfc0006df) == 0x7c000286)
+ {
+ /* spr field is split. */
+ t1 = ((t1 & ~0x1ff800)
+ | ((t1 & 0xf800) << 5) | ((t1 & 0x1f0000) >> 5));
+ t2 = ((t2 & ~0x1ff800)
+ | ((t2 & 0xf800) << 5) | ((t2 & 0x1f0000) >> 5));
+ }
+ if (t1 < t2)
+ as_warn (_("%s (%08lx %08lx) after %s (%08lx %08lx)"),
+ op[0].name, op[0].opcode, op[0].mask,
+ op[-1].name, op[-1].opcode, op[-1].mask);
+ }
+ }
+
+ /* The mask had better not trim off opcode bits. */
+ if ((op->opcode & omask) != op->opcode)
+ {
+ as_bad (_("mask trims opcode bits for %s"),
+ op->name);
+ bad_insn = TRUE;
+ }
+
+ /* The operands must not overlap the opcode or each other. */
+ for (o = op->operands; *o; ++o)
+ if (*o >= num_powerpc_operands)
+ {
+ as_bad (_("operand index error for %s"),
+ op->name);
+ bad_insn = TRUE;
+ }
+ else
+ {
+ const struct powerpc_operand *operand = &powerpc_operands[*o];
+ if (operand->shift >= 0)
+ {
+ unsigned long mask = operand->bitm << operand->shift;
+ if (omask & mask)
+ {
+ as_bad (_("operand %d overlap in %s"),
+ (int) (o - op->operands), op->name);
+ bad_insn = TRUE;
+ }
+ omask |= mask;
+ }
+ }
+ }
+
+ if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0
&& ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0
- || (op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == ppc_size))
+ || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64))
+ == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64)))
+ || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0)
+ && !(ppc_cpu & op->deprecated))
{
const char *retval;
- retval = hash_insert (ppc_hash, op->name, (PTR) op);
- if (retval != (const char *) NULL)
+ retval = hash_insert (ppc_hash, op->name, (void *) op);
+ if (retval != NULL)
{
- /* Ignore Power duplicates for -m601 */
+ /* Ignore Power duplicates for -m601. */
if ((ppc_cpu & PPC_OPCODE_601) != 0
&& (op->flags & PPC_OPCODE_POWER) != 0)
continue;
- as_bad ("Internal assembler error for instruction %s", op->name);
- dup_insn = true;
+ as_bad (_("duplicate instruction %s"),
+ op->name);
+ bad_insn = TRUE;
}
}
}
+ if ((ppc_cpu & PPC_OPCODE_ANY) != 0)
+ for (op = powerpc_opcodes; op < op_end; op++)
+ hash_insert (ppc_hash, op->name, (void *) op);
+
/* Insert the macros into a hash table. */
ppc_macro_hash = hash_new ();
{
const char *retval;
- retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro);
+ retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro);
if (retval != (const char *) NULL)
{
- as_bad ("Internal assembler error for macro %s", macro->name);
- dup_insn = true;
+ as_bad (_("duplicate macro %s"), macro->name);
+ bad_insn = TRUE;
}
}
}
- if (dup_insn)
+ if (bad_insn)
abort ();
+}
+
+/* This function is called when the assembler starts up. It is called
+ after the options have been parsed and the output file has been
+ opened. */
+
+void
+md_begin (void)
+{
+ ppc_set_cpu ();
+
+ ppc_cie_data_alignment = ppc_obj64 ? -8 : -4;
- /* Tell the main code what the endianness is if it is not overidden by the user. */
+#ifdef OBJ_ELF
+ /* Set the ELF flags if desired. */
+ if (ppc_flags && !msolaris)
+ bfd_set_private_flags (stdoutput, ppc_flags);
+#endif
+
+ ppc_setup_opcodes ();
+
+ /* Tell the main code what the endianness is if it is not overridden
+ by the user. */
if (!set_target_endian)
{
set_target_endian = 1;
text csects to precede the data csects. These symbols will not
be output. */
ppc_text_csects = symbol_make ("dummy\001");
- ppc_text_csects->sy_tc.within = ppc_text_csects;
+ symbol_get_tc (ppc_text_csects)->within = ppc_text_csects;
ppc_data_csects = symbol_make ("dummy\001");
- ppc_data_csects->sy_tc.within = ppc_data_csects;
+ symbol_get_tc (ppc_data_csects)->within = ppc_data_csects;
#endif
#ifdef TE_PE
ppc_current_section = text_section;
- ppc_previous_section = 0;
+ ppc_previous_section = 0;
#endif
}
+void
+ppc_cleanup (void)
+{
+#ifdef OBJ_ELF
+ if (ppc_apuinfo_list == NULL)
+ return;
+
+ /* Ok, so write the section info out. We have this layout:
+
+ byte data what
+ ---- ---- ----
+ 0 8 length of "APUinfo\0"
+ 4 (n*4) number of APU's (4 bytes each)
+ 8 2 note type 2
+ 12 "APUinfo\0" name
+ 20 APU#1 first APU's info
+ 24 APU#2 second APU's info
+ ... ...
+ */
+ {
+ char *p;
+ asection *seg = now_seg;
+ subsegT subseg = now_subseg;
+ asection *apuinfo_secp = (asection *) NULL;
+ unsigned int i;
+
+ /* Create the .PPC.EMB.apuinfo section. */
+ apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0);
+ bfd_set_section_flags (stdoutput,
+ apuinfo_secp,
+ SEC_HAS_CONTENTS | SEC_READONLY);
+
+ p = frag_more (4);
+ md_number_to_chars (p, (valueT) 8, 4);
+
+ p = frag_more (4);
+ md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4);
+
+ p = frag_more (4);
+ md_number_to_chars (p, (valueT) 2, 4);
+
+ p = frag_more (8);
+ strcpy (p, "APUinfo");
+
+ for (i = 0; i < ppc_apuinfo_num; i++)
+ {
+ p = frag_more (4);
+ md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4);
+ }
+
+ frag_align (2, 0, 0);
+
+ /* We probably can't restore the current segment, for there likely
+ isn't one yet... */
+ if (seg && subseg)
+ subseg_set (seg, subseg);
+ }
+#endif
+}
+
/* Insert an operand value into an instruction. */
static unsigned long
-ppc_insert_operand (insn, operand, val, file, line)
- unsigned long insn;
- const struct powerpc_operand *operand;
- offsetT val;
- char *file;
- unsigned int line;
+ppc_insert_operand (unsigned long insn,
+ const struct powerpc_operand *operand,
+ offsetT val,
+ ppc_cpu_t cpu,
+ char *file,
+ unsigned int line)
{
- if (operand->bits != 32)
- {
- long min, max;
- offsetT test;
+ long min, max, right;
- if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
- {
- if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0
- && ppc_size == PPC_OPCODE_32)
- max = (1 << operand->bits) - 1;
- else
- max = (1 << (operand->bits - 1)) - 1;
- min = - (1 << (operand->bits - 1));
- }
- else
- {
- max = (1 << operand->bits) - 1;
- min = 0;
- }
+ max = operand->bitm;
+ right = max & -max;
+ min = 0;
- if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
- test = - val;
- else
- test = val;
+ if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
+ {
+ if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0)
+ max = (max >> 1) & -right;
+ min = ~max & -right;
+ }
- if (test < (offsetT) min || test > (offsetT) max)
- {
- const char *err =
- "operand out of range (%s not between %ld and %ld)";
- char buf[100];
+ if ((operand->flags & PPC_OPERAND_PLUS1) != 0)
+ max++;
- sprint_value (buf, test);
- if (file == (char *) NULL)
- as_warn (err, buf, min, max);
- else
- as_warn_where (file, line, err, buf, min, max);
- }
+ if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
+ {
+ long tmp = min;
+ min = -max;
+ max = -tmp;
+ }
+
+ if (min <= max)
+ {
+ /* Some people write constants with the sign extension done by
+ hand but only up to 32 bits. This shouldn't really be valid,
+ but, to permit this code to assemble on a 64-bit host, we
+ sign extend the 32-bit value to 64 bits if so doing makes the
+ value valid. */
+ if (val > max
+ && (offsetT) (val - 0x80000000 - 0x80000000) >= min
+ && (offsetT) (val - 0x80000000 - 0x80000000) <= max
+ && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0)
+ val = val - 0x80000000 - 0x80000000;
+
+ /* Similarly, people write expressions like ~(1<<15), and expect
+ this to be OK for a 32-bit unsigned value. */
+ else if (val < min
+ && (offsetT) (val + 0x80000000 + 0x80000000) >= min
+ && (offsetT) (val + 0x80000000 + 0x80000000) <= max
+ && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0)
+ val = val + 0x80000000 + 0x80000000;
+
+ else if (val < min
+ || val > max
+ || (val & (right - 1)) != 0)
+ as_bad_value_out_of_range (_("operand"), val, min, max, file, line);
}
if (operand->insert)
const char *errmsg;
errmsg = NULL;
- insn = (*operand->insert) (insn, (long) val, &errmsg);
+ insn = (*operand->insert) (insn, (long) val, cpu, &errmsg);
if (errmsg != (const char *) NULL)
- as_warn (errmsg);
+ as_bad_where (file, line, "%s", errmsg);
}
else
- insn |= (((long) val & ((1 << operand->bits) - 1))
- << operand->shift);
+ insn |= ((long) val & operand->bitm) << operand->shift;
return insn;
}
+\f
#ifdef OBJ_ELF
/* Parse @got, etc. and return the desired relocation. */
static bfd_reloc_code_real_type
-ppc_elf_suffix (str_p)
- char **str_p;
+ppc_elf_suffix (char **str_p, expressionS *exp_p)
{
struct map_bfd {
char *string;
- int length;
- bfd_reloc_code_real_type reloc;
+ unsigned int length : 8;
+ unsigned int valid32 : 1;
+ unsigned int valid64 : 1;
+ unsigned int reloc;
};
char ident[20];
char *str2;
int ch;
int len;
- struct map_bfd *ptr;
-
-#define MAP(str,reloc) { str, sizeof(str)-1, reloc }
-
- static struct map_bfd mapping[] = {
- MAP ("l", BFD_RELOC_LO16),
- MAP ("h", BFD_RELOC_HI16),
- MAP ("ha", BFD_RELOC_HI16_S),
- MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN),
- MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN),
- MAP ("got", BFD_RELOC_16_GOTOFF),
- MAP ("got@l", BFD_RELOC_LO16_GOTOFF),
- MAP ("got@h", BFD_RELOC_HI16_GOTOFF),
- MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF),
- MAP ("fixup", BFD_RELOC_CTOR), /* warnings with -mrelocatable */
- MAP ("pltrel24", BFD_RELOC_24_PLT_PCREL),
- MAP ("copy", BFD_RELOC_PPC_COPY),
- MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT),
- MAP ("local24pc", BFD_RELOC_PPC_LOCAL24PC),
- MAP ("plt", BFD_RELOC_32_PLTOFF),
- MAP ("pltrel", BFD_RELOC_32_PLT_PCREL),
- MAP ("plt@l", BFD_RELOC_LO16_PLTOFF),
- MAP ("plt@h", BFD_RELOC_HI16_PLTOFF),
- MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF),
- MAP ("sdarel", BFD_RELOC_GPREL16),
- MAP ("sectoff", BFD_RELOC_32_BASEREL),
- MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL),
- MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL),
- MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL),
- MAP ("naddr", BFD_RELOC_PPC_EMB_NADDR32),
- MAP ("naddr16", BFD_RELOC_PPC_EMB_NADDR16),
- MAP ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO),
- MAP ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI),
- MAP ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA),
- MAP ("sdai16", BFD_RELOC_PPC_EMB_SDAI16),
- MAP ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL),
- MAP ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16),
- MAP ("sda21", BFD_RELOC_PPC_EMB_SDA21),
- MAP ("mrkref", BFD_RELOC_PPC_EMB_MRKREF),
- MAP ("relsect", BFD_RELOC_PPC_EMB_RELSEC16),
- MAP ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO),
- MAP ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI),
- MAP ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA),
- MAP ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD),
- MAP ("relsda", BFD_RELOC_PPC_EMB_RELSDA),
- MAP ("xgot", BFD_RELOC_PPC_TOC16),
-
- { (char *)0, 0, BFD_RELOC_UNUSED }
+ const struct map_bfd *ptr;
+
+#define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc }
+#define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc }
+#define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc }
+
+ static const struct map_bfd mapping[] = {
+ MAP ("l", BFD_RELOC_LO16),
+ MAP ("h", BFD_RELOC_HI16),
+ MAP ("ha", BFD_RELOC_HI16_S),
+ MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN),
+ MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN),
+ MAP ("got", BFD_RELOC_16_GOTOFF),
+ MAP ("got@l", BFD_RELOC_LO16_GOTOFF),
+ MAP ("got@h", BFD_RELOC_HI16_GOTOFF),
+ MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF),
+ MAP ("plt@l", BFD_RELOC_LO16_PLTOFF),
+ MAP ("plt@h", BFD_RELOC_HI16_PLTOFF),
+ MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF),
+ MAP ("copy", BFD_RELOC_PPC_COPY),
+ MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT),
+ MAP ("sectoff", BFD_RELOC_16_BASEREL),
+ MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL),
+ MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL),
+ MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL),
+ MAP ("tls", BFD_RELOC_PPC_TLS),
+ MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD),
+ MAP ("dtprel", BFD_RELOC_PPC_DTPREL),
+ MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO),
+ MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI),
+ MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA),
+ MAP ("tprel", BFD_RELOC_PPC_TPREL),
+ MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO),
+ MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI),
+ MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA),
+ MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16),
+ MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO),
+ MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI),
+ MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA),
+ MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16),
+ MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO),
+ MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI),
+ MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA),
+ MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16),
+ MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO),
+ MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI),
+ MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA),
+ MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16),
+ MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO),
+ MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI),
+ MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA),
+ MAP32 ("fixup", BFD_RELOC_CTOR),
+ MAP32 ("plt", BFD_RELOC_24_PLT_PCREL),
+ MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL),
+ MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC),
+ MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC),
+ MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL),
+ MAP32 ("sdarel", BFD_RELOC_GPREL16),
+ MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32),
+ MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16),
+ MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO),
+ MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI),
+ MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA),
+ MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16),
+ MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL),
+ MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16),
+ MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21),
+ MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF),
+ MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16),
+ MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO),
+ MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI),
+ MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA),
+ MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD),
+ MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA),
+ MAP32 ("xgot", BFD_RELOC_PPC_TOC16),
+ MAP64 ("higher", BFD_RELOC_PPC64_HIGHER),
+ MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S),
+ MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST),
+ MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S),
+ MAP64 ("tocbase", BFD_RELOC_PPC64_TOC),
+ MAP64 ("toc", BFD_RELOC_PPC_TOC16),
+ MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO),
+ MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI),
+ MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA),
+ MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER),
+ MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA),
+ MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST),
+ MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
+ MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER),
+ MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA),
+ MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST),
+ MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA),
+ { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED }
};
if (*str++ != '@')
return BFD_RELOC_UNUSED;
for (ch = *str, str2 = ident;
- str2 < ident + sizeof(ident) - 1 && isalnum (ch) || ch == '@';
+ (str2 < ident + sizeof (ident) - 1
+ && (ISALNUM (ch) || ch == '@'));
ch = *++str)
{
- *str2++ = (islower (ch)) ? ch : tolower (ch);
+ *str2++ = TOLOWER (ch);
}
*str2 = '\0';
ch = ident[0];
for (ptr = &mapping[0]; ptr->length > 0; ptr++)
- if (ch == ptr->string[0] && len == ptr->length && memcmp (ident, ptr->string, ptr->length) == 0)
+ if (ch == ptr->string[0]
+ && len == ptr->length
+ && memcmp (ident, ptr->string, ptr->length) == 0
+ && (ppc_obj64 ? ptr->valid64 : ptr->valid32))
{
+ int reloc = ptr->reloc;
+
+ if (!ppc_obj64 && exp_p->X_add_number != 0)
+ {
+ switch (reloc)
+ {
+ case BFD_RELOC_16_GOTOFF:
+ case BFD_RELOC_LO16_GOTOFF:
+ case BFD_RELOC_HI16_GOTOFF:
+ case BFD_RELOC_HI16_S_GOTOFF:
+ as_warn (_("identifier+constant@got means "
+ "identifier@got+constant"));
+ break;
+
+ case BFD_RELOC_PPC_GOT_TLSGD16:
+ case BFD_RELOC_PPC_GOT_TLSGD16_LO:
+ case BFD_RELOC_PPC_GOT_TLSGD16_HI:
+ case BFD_RELOC_PPC_GOT_TLSGD16_HA:
+ case BFD_RELOC_PPC_GOT_TLSLD16:
+ case BFD_RELOC_PPC_GOT_TLSLD16_LO:
+ case BFD_RELOC_PPC_GOT_TLSLD16_HI:
+ case BFD_RELOC_PPC_GOT_TLSLD16_HA:
+ case BFD_RELOC_PPC_GOT_DTPREL16:
+ case BFD_RELOC_PPC_GOT_DTPREL16_LO:
+ case BFD_RELOC_PPC_GOT_DTPREL16_HI:
+ case BFD_RELOC_PPC_GOT_DTPREL16_HA:
+ case BFD_RELOC_PPC_GOT_TPREL16:
+ case BFD_RELOC_PPC_GOT_TPREL16_LO:
+ case BFD_RELOC_PPC_GOT_TPREL16_HI:
+ case BFD_RELOC_PPC_GOT_TPREL16_HA:
+ as_bad (_("symbol+offset not supported for got tls"));
+ break;
+ }
+ }
+
+ /* Now check for identifier@suffix+constant. */
+ if (*str == '-' || *str == '+')
+ {
+ char *orig_line = input_line_pointer;
+ expressionS new_exp;
+
+ input_line_pointer = str;
+ expression (&new_exp);
+ if (new_exp.X_op == O_constant)
+ {
+ exp_p->X_add_number += new_exp.X_add_number;
+ str = input_line_pointer;
+ }
+
+ if (&input_line_pointer != str_p)
+ input_line_pointer = orig_line;
+ }
*str_p = str;
- return ptr->reloc;
+
+ if (reloc == (int) BFD_RELOC_PPC64_TOC
+ && exp_p->X_op == O_symbol
+ && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0)
+ {
+ /* Change the symbol so that the dummy .TOC. symbol can be
+ omitted from the object file. */
+ exp_p->X_add_symbol = &abs_symbol;
+ }
+
+ return (bfd_reloc_code_real_type) reloc;
}
return BFD_RELOC_UNUSED;
}
-/* Like normal .long/.short/.word, except support @got, etc. */
-/* clobbers input_line_pointer, checks */
-/* end-of-line. */
+/* Like normal .long/.short/.word, except support @got, etc.
+ Clobbers input_line_pointer, checks end-of-line. */
static void
-ppc_elf_cons (nbytes)
- register int nbytes; /* 1=.byte, 2=.word, 4=.long */
+ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */)
{
expressionS exp;
bfd_reloc_code_real_type reloc;
expression (&exp);
if (exp.X_op == O_symbol
&& *input_line_pointer == '@'
- && (reloc = ppc_elf_suffix (&input_line_pointer)) != BFD_RELOC_UNUSED)
+ && (reloc = ppc_elf_suffix (&input_line_pointer,
+ &exp)) != BFD_RELOC_UNUSED)
{
- reloc_howto_type *reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
- int size = bfd_get_reloc_size (reloc_howto);
+ reloc_howto_type *reloc_howto;
+ int size;
- if (size > nbytes)
- as_bad ("%s relocations do not fit in %d bytes\n", reloc_howto->name, nbytes);
+ reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
+ size = bfd_get_reloc_size (reloc_howto);
+ if (size > nbytes)
+ {
+ as_bad (_("%s relocations do not fit in %d bytes\n"),
+ reloc_howto->name, nbytes);
+ }
else
{
- register char *p = frag_more ((int) nbytes);
- int offset = nbytes - size;
-
- fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, &exp, 0, reloc);
+ char *p;
+ int offset;
+
+ p = frag_more (nbytes);
+ memset (p, 0, nbytes);
+ offset = 0;
+ if (target_big_endian)
+ offset = nbytes - size;
+ fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size,
+ &exp, 0, reloc);
}
}
else
}
while (*input_line_pointer++ == ',');
- input_line_pointer--; /* Put terminator back into stream. */
+ /* Put terminator back into stream. */
+ input_line_pointer--;
+ demand_empty_rest_of_line ();
+}
+
+/* Solaris pseduo op to change to the .rodata section. */
+static void
+ppc_elf_rdata (int xxx)
+{
+ char *save_line = input_line_pointer;
+ static char section[] = ".rodata\n";
+
+ /* Just pretend this is .section .rodata */
+ input_line_pointer = section;
+ obj_elf_section (xxx);
+
+ input_line_pointer = save_line;
+}
+
+/* Pseudo op to make file scope bss items. */
+static void
+ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED)
+{
+ char *name;
+ char c;
+ char *p;
+ offsetT size;
+ symbolS *symbolP;
+ offsetT align;
+ segT old_sec;
+ int old_subsec;
+ char *pfrag;
+ int align2;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+
+ /* just after name is now '\0'. */
+ p = input_line_pointer;
+ *p = c;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != ',')
+ {
+ as_bad (_("Expected comma after symbol-name: rest of line ignored."));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ input_line_pointer++; /* skip ',' */
+ if ((size = get_absolute_expression ()) < 0)
+ {
+ as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
+ ignore_rest_of_line ();
+ return;
+ }
+
+ /* The third argument to .lcomm is the alignment. */
+ if (*input_line_pointer != ',')
+ align = 8;
+ else
+ {
+ ++input_line_pointer;
+ align = get_absolute_expression ();
+ if (align <= 0)
+ {
+ as_warn (_("ignoring bad alignment"));
+ align = 8;
+ }
+ }
+
+ *p = 0;
+ symbolP = symbol_find_or_make (name);
+ *p = c;
+
+ if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
+ {
+ as_bad (_("Ignoring attempt to re-define symbol `%s'."),
+ S_GET_NAME (symbolP));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
+ {
+ as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
+ S_GET_NAME (symbolP),
+ (long) S_GET_VALUE (symbolP),
+ (long) size);
+
+ ignore_rest_of_line ();
+ return;
+ }
+
+ /* Allocate_bss. */
+ old_sec = now_seg;
+ old_subsec = now_subseg;
+ if (align)
+ {
+ /* Convert to a power of 2 alignment. */
+ for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2);
+ if (align != 1)
+ {
+ as_bad (_("Common alignment not a power of 2"));
+ ignore_rest_of_line ();
+ return;
+ }
+ }
+ else
+ align2 = 0;
+
+ record_alignment (bss_section, align2);
+ subseg_set (bss_section, 0);
+ if (align2)
+ frag_align (align2, 0, 0);
+ if (S_GET_SEGMENT (symbolP) == bss_section)
+ symbol_get_frag (symbolP)->fr_symbol = 0;
+ symbol_set_frag (symbolP, frag_now);
+ pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
+ (char *) 0);
+ *pfrag = 0;
+ S_SET_SIZE (symbolP, size);
+ S_SET_SEGMENT (symbolP, bss_section);
+ subseg_set (old_sec, old_subsec);
demand_empty_rest_of_line ();
}
fixups for word relocations in writable segments, so we can adjust
them at runtime. */
static void
-ppc_elf_validate_fix (fixp, seg)
- fixS *fixp;
- segT seg;
+ppc_elf_validate_fix (fixS *fixp, segT seg)
{
- if (mrelocatable
- && !fixp->fx_done
- && !fixp->fx_pcrel
- && fixp->fx_r_type <= BFD_RELOC_UNUSED
- && fixp->fx_r_type != BFD_RELOC_16_GOTOFF
- && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF
- && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF
- && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
- && fixp->fx_r_type != BFD_RELOC_32_BASEREL
- && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL
- && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL
- && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL
- && strcmp (segment_name (seg), ".got2") != 0
- && strcmp (segment_name (seg), ".dtors") != 0
- && strcmp (segment_name (seg), ".ctors") != 0
- && strcmp (segment_name (seg), ".fixup") != 0
- && strcmp (segment_name (seg), ".stab") != 0
- && strcmp (segment_name (seg), ".gcc_except_table") != 0
- && strcmp (segment_name (seg), ".ex_shared") != 0)
+ if (fixp->fx_done || fixp->fx_pcrel)
+ return;
+
+ switch (shlib)
{
- if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0
- || fixp->fx_r_type != BFD_RELOC_CTOR)
+ case SHLIB_NONE:
+ case SHLIB_PIC:
+ return;
+
+ case SHLIB_MRELOCATABLE:
+ if (fixp->fx_r_type <= BFD_RELOC_UNUSED
+ && fixp->fx_r_type != BFD_RELOC_16_GOTOFF
+ && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF
+ && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF
+ && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
+ && fixp->fx_r_type != BFD_RELOC_16_BASEREL
+ && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL
+ && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL
+ && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL
+ && (seg->flags & SEC_LOAD) != 0
+ && strcmp (segment_name (seg), ".got2") != 0
+ && strcmp (segment_name (seg), ".dtors") != 0
+ && strcmp (segment_name (seg), ".ctors") != 0
+ && strcmp (segment_name (seg), ".fixup") != 0
+ && strcmp (segment_name (seg), ".gcc_except_table") != 0
+ && strcmp (segment_name (seg), ".eh_frame") != 0
+ && strcmp (segment_name (seg), ".ex_shared") != 0)
{
- as_warn_where (fixp->fx_file, fixp->fx_line,
- "Relocation cannot be done when using -mrelocatable");
+ if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0
+ || fixp->fx_r_type != BFD_RELOC_CTOR)
+ {
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("Relocation cannot be done when using -mrelocatable"));
+ }
}
+ return;
}
}
-#endif /* OBJ_ELF */
+/* Prevent elf_frob_file_before_adjust removing a weak undefined
+ function descriptor sym if the corresponding code sym is used. */
+void
+ppc_frob_file_before_adjust (void)
+{
+ symbolS *symp;
+ asection *toc;
+
+ if (!ppc_obj64)
+ return;
+
+ for (symp = symbol_rootP; symp; symp = symbol_next (symp))
+ {
+ const char *name;
+ char *dotname;
+ symbolS *dotsym;
+ size_t len;
+
+ name = S_GET_NAME (symp);
+ if (name[0] == '.')
+ continue;
+
+ if (! S_IS_WEAK (symp)
+ || S_IS_DEFINED (symp))
+ continue;
+
+ len = strlen (name) + 1;
+ dotname = xmalloc (len + 1);
+ dotname[0] = '.';
+ memcpy (dotname + 1, name, len);
+ dotsym = symbol_find_noref (dotname, 1);
+ free (dotname);
+ if (dotsym != NULL && (symbol_used_p (dotsym)
+ || symbol_used_in_reloc_p (dotsym)))
+ symbol_mark_used (symp);
+
+ }
+
+ toc = bfd_get_section_by_name (stdoutput, ".toc");
+ if (toc != NULL
+ && toc_reloc_types != has_large_toc_reloc
+ && bfd_section_size (stdoutput, toc) > 0x10000)
+ as_warn (_("TOC section size exceeds 64k"));
+
+ /* Don't emit .TOC. symbol. */
+ symp = symbol_find (".TOC.");
+ if (symp != NULL)
+ symbol_remove (symp, &symbol_rootP, &symbol_lastP);
+}
+#endif /* OBJ_ELF */
+\f
#ifdef TE_PE
/*
- * Summary of parse_toc_entry().
+ * Summary of parse_toc_entry.
*
* in: Input_line_pointer points to the '[' in one of:
*
*
* Anything else is an error of one kind or another.
*
- * out:
+ * out:
* return value: success or failure
* toc_kind: kind of toc reference
* input_line_pointer:
*
*/
-enum toc_size_qualifier
-{
+enum toc_size_qualifier
+{
default_toc, /* The toc cell constructed should be the system default size */
data_in_toc, /* This is a direct reference to a toc cell */
must_be_32, /* The toc cell constructed must be 32 bits wide */
};
static int
-parse_toc_entry(toc_kind)
- enum toc_size_qualifier *toc_kind;
+parse_toc_entry (enum toc_size_qualifier *toc_kind)
{
char *start;
char *toc_spec;
char c;
enum toc_size_qualifier t;
- /* save the input_line_pointer */
+ /* Save the input_line_pointer. */
start = input_line_pointer;
- /* skip over the '[' , and whitespace */
+ /* Skip over the '[' , and whitespace. */
++input_line_pointer;
SKIP_WHITESPACE ();
-
- /* find the spelling of the operand */
+
+ /* Find the spelling of the operand. */
toc_spec = input_line_pointer;
c = get_symbol_end ();
- if (strcmp(toc_spec, "toc") == 0)
+ if (strcmp (toc_spec, "toc") == 0)
{
t = default_toc;
}
- else if (strcmp(toc_spec, "tocv") == 0)
+ else if (strcmp (toc_spec, "tocv") == 0)
{
t = data_in_toc;
}
- else if (strcmp(toc_spec, "toc32") == 0)
+ else if (strcmp (toc_spec, "toc32") == 0)
{
t = must_be_32;
}
- else if (strcmp(toc_spec, "toc64") == 0)
+ else if (strcmp (toc_spec, "toc64") == 0)
{
t = must_be_64;
}
else
{
- as_bad ("syntax error: invalid toc specifier `%s'", toc_spec);
- *input_line_pointer = c; /* put back the delimiting char */
- input_line_pointer = start; /* reset input_line pointer */
+ as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec);
+ *input_line_pointer = c;
+ input_line_pointer = start;
return 0;
}
- /* now find the ']' */
- *input_line_pointer = c; /* put back the delimiting char */
+ /* Now find the ']'. */
+ *input_line_pointer = c;
- SKIP_WHITESPACE (); /* leading whitespace could be there. */
- c = *input_line_pointer++; /* input_line_pointer->past char in c. */
+ SKIP_WHITESPACE (); /* leading whitespace could be there. */
+ c = *input_line_pointer++; /* input_line_pointer->past char in c. */
if (c != ']')
{
- as_bad ("syntax error: expected `]', found `%c'", c);
- input_line_pointer = start; /* reset input_line pointer */
+ as_bad (_("syntax error: expected `]', found `%c'"), c);
+ input_line_pointer = start;
return 0;
}
- *toc_kind = t; /* set return value */
+ *toc_kind = t;
return 1;
}
-
#endif
+\f
+
+#ifdef OBJ_ELF
+#define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
+static void
+ppc_apuinfo_section_add (unsigned int apu, unsigned int version)
+{
+ unsigned int i;
+ /* Check we don't already exist. */
+ for (i = 0; i < ppc_apuinfo_num; i++)
+ if (ppc_apuinfo_list[i] == APUID (apu, version))
+ return;
+
+ if (ppc_apuinfo_num == ppc_apuinfo_num_alloc)
+ {
+ if (ppc_apuinfo_num_alloc == 0)
+ {
+ ppc_apuinfo_num_alloc = 4;
+ ppc_apuinfo_list = (unsigned long *)
+ xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc);
+ }
+ else
+ {
+ ppc_apuinfo_num_alloc += 4;
+ ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list,
+ sizeof (unsigned long) * ppc_apuinfo_num_alloc);
+ }
+ }
+ ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version);
+}
+#undef APUID
+#endif
+\f
/* We need to keep a list of fixups. We can't simply generate them as
we go, because that would require us to first create the frag, and
/* This routine is called for each instruction to be assembled. */
void
-md_assemble (str)
- char *str;
+md_assemble (char *str)
{
char *s;
const struct powerpc_opcode *opcode;
struct ppc_fixup fixups[MAX_INSN_FIXUPS];
int fc;
char *f;
+ int addr_mod;
int i;
#ifdef OBJ_ELF
bfd_reloc_code_real_type reloc;
#endif
/* Get the opcode. */
- for (s = str; *s != '\0' && ! isspace (*s); s++)
+ for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
;
if (*s != '\0')
*s++ = '\0';
macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
if (macro == (const struct powerpc_macro *) NULL)
- as_bad ("Unrecognized opcode: `%s'", str);
+ as_bad (_("Unrecognized opcode: `%s'"), str);
else
ppc_macro (s, macro);
insn = opcode->opcode;
str = s;
- while (isspace (*str))
+ while (ISSPACE (*str))
++str;
/* PowerPC operands are just expressions. The only real issue is
that a few operand types are optional. All cases which might use
- an optional operand separate the operands only with commas (in
- some cases parentheses are used, as in ``lwz 1,0(1)'' but such
- cases never have optional operands). There is never more than
- one optional operand for an instruction. So, before we start
- seriously parsing the operands, we check to see if we have an
- optional operand, and, if we do, we count the number of commas to
- see whether the operand should be omitted. */
+ an optional operand separate the operands only with commas (in some
+ cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never
+ have optional operands). Most instructions with optional operands
+ have only one. Those that have more than one optional operand can
+ take either all their operands or none. So, before we start seriously
+ parsing the operands, we check to see if we have optional operands,
+ and if we do, we count the number of commas to see which operands
+ have been omitted. */
skip_optional = 0;
for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
{
if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
{
unsigned int opcount;
+ unsigned int num_operands_expected;
/* There is an optional operand. Count the number of
commas in the input line. */
}
}
+ /* Compute the number of expected operands.
+ Do not count fake operands. */
+ for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++)
+ if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0)
+ ++ num_operands_expected;
+
/* If there are fewer operands in the line then are called
for by the instruction, we want to skip the optional
- operand. */
- if (opcount < strlen (opcode->operands))
+ operands. */
+ if (opcount < num_operands_expected)
skip_optional = 1;
break;
operand = &powerpc_operands[next_opindex];
next_opindex = 0;
}
-
errmsg = NULL;
/* If this is a fake operand, then we do not expect anything
from the input. */
if ((operand->flags & PPC_OPERAND_FAKE) != 0)
{
- insn = (*operand->insert) (insn, 0L, &errmsg);
+ insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
if (errmsg != (const char *) NULL)
- as_warn (errmsg);
+ as_bad ("%s", errmsg);
continue;
}
{
if (operand->insert)
{
- insn = (*operand->insert) (insn, 0L, &errmsg);
+ insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
if (errmsg != (const char *) NULL)
- as_warn (errmsg);
+ as_bad ("%s", errmsg);
}
if ((operand->flags & PPC_OPERAND_NEXT) != 0)
next_opindex = *opindex_ptr + 1;
input_line_pointer = str;
#ifdef TE_PE
- if (*input_line_pointer == '[')
+ if (*input_line_pointer == '[')
{
/* We are expecting something like the second argument here:
-
- lwz r4,[toc].GS.0.static_int(rtoc)
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
- The argument following the `]' must be a symbol name, and the
- register must be the toc register: 'rtoc' or '2'
-
- The effect is to 0 as the displacement field
- in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
- the appropriate variation) reloc against it based on the symbol.
- The linker will build the toc, and insert the resolved toc offset.
-
- Note:
- o The size of the toc entry is currently assumed to be
- 32 bits. This should not be assumed to be a hard coded
- number.
- o In an effort to cope with a change from 32 to 64 bits,
- there are also toc entries that are specified to be
- either 32 or 64 bits:
- lwz r4,[toc32].GS.0.static_int(rtoc)
- lwz r4,[toc64].GS.0.static_int(rtoc)
- These demand toc entries of the specified size, and the
- instruction probably requires it.
- */
+ *
+ * lwz r4,[toc].GS.0.static_int(rtoc)
+ * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ * The argument following the `]' must be a symbol name, and the
+ * register must be the toc register: 'rtoc' or '2'
+ *
+ * The effect is to 0 as the displacement field
+ * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
+ * the appropriate variation) reloc against it based on the symbol.
+ * The linker will build the toc, and insert the resolved toc offset.
+ *
+ * Note:
+ * o The size of the toc entry is currently assumed to be
+ * 32 bits. This should not be assumed to be a hard coded
+ * number.
+ * o In an effort to cope with a change from 32 to 64 bits,
+ * there are also toc entries that are specified to be
+ * either 32 or 64 bits:
+ * lwz r4,[toc32].GS.0.static_int(rtoc)
+ * lwz r4,[toc64].GS.0.static_int(rtoc)
+ * These demand toc entries of the specified size, and the
+ * instruction probably requires it.
+ */
int valid_toc;
enum toc_size_qualifier toc_kind;
bfd_reloc_code_real_type toc_reloc;
- /* go parse off the [tocXX] part */
- valid_toc = parse_toc_entry(&toc_kind);
+ /* Go parse off the [tocXX] part. */
+ valid_toc = parse_toc_entry (&toc_kind);
- if (!valid_toc)
+ if (!valid_toc)
{
- /* Note: message has already been issued. */
- /* FIXME: what sort of recovery should we do? */
- /* demand_rest_of_line(); return; ? */
+ /* Note: message has already been issued.
+ FIXME: what sort of recovery should we do?
+ demand_rest_of_line (); return; ? */
}
- /* Now get the symbol following the ']' */
- expression(&ex);
+ /* Now get the symbol following the ']'. */
+ expression (&ex);
switch (toc_kind)
{
case default_toc:
- /* In this case, we may not have seen the symbol yet, since */
- /* it is allowed to appear on a .extern or .globl or just be */
- /* a label in the .data section. */
+ /* In this case, we may not have seen the symbol yet,
+ since it is allowed to appear on a .extern or .globl
+ or just be a label in the .data section. */
toc_reloc = BFD_RELOC_PPC_TOC16;
break;
case data_in_toc:
- /* 1. The symbol must be defined and either in the toc */
- /* section, or a global. */
- /* 2. The reloc generated must have the TOCDEFN flag set in */
- /* upper bit mess of the reloc type. */
- /* FIXME: It's a little confusing what the tocv qualifier can */
- /* be used for. At the very least, I've seen three */
- /* uses, only one of which I'm sure I can explain. */
- if (ex.X_op == O_symbol)
- {
- assert (ex.X_add_symbol != NULL);
- if (ex.X_add_symbol->bsym->section != tocdata_section)
+ /* 1. The symbol must be defined and either in the toc
+ section, or a global.
+ 2. The reloc generated must have the TOCDEFN flag set
+ in upper bit mess of the reloc type.
+ FIXME: It's a little confusing what the tocv
+ qualifier can be used for. At the very least, I've
+ seen three uses, only one of which I'm sure I can
+ explain. */
+ if (ex.X_op == O_symbol)
+ {
+ gas_assert (ex.X_add_symbol != NULL);
+ if (symbol_get_bfdsym (ex.X_add_symbol)->section
+ != tocdata_section)
{
- as_warn("[tocv] symbol is not a toc symbol");
+ as_bad (_("[tocv] symbol is not a toc symbol"));
}
}
toc_reloc = BFD_RELOC_PPC_TOC16;
break;
case must_be_32:
- /* FIXME: these next two specifically specify 32/64 bit toc */
- /* entries. We don't support them today. Is this the */
- /* right way to say that? */
+ /* FIXME: these next two specifically specify 32/64 bit
+ toc entries. We don't support them today. Is this
+ the right way to say that? */
toc_reloc = BFD_RELOC_UNUSED;
- as_bad ("Unimplemented toc32 expression modifier");
+ as_bad (_("Unimplemented toc32 expression modifier"));
break;
case must_be_64:
- /* FIXME: see above */
+ /* FIXME: see above. */
toc_reloc = BFD_RELOC_UNUSED;
- as_bad ("Unimplemented toc64 expression modifier");
+ as_bad (_("Unimplemented toc64 expression modifier"));
break;
default:
- fprintf(stderr,
- "Unexpected return value [%d] from parse_toc_entry!\n",
- toc_kind);
- abort();
+ fprintf (stderr,
+ _("Unexpected return value [%d] from parse_toc_entry!\n"),
+ toc_kind);
+ abort ();
break;
}
/* We need to generate a fixup for this expression. */
if (fc >= MAX_INSN_FIXUPS)
- as_fatal ("too many fixups");
+ as_fatal (_("too many fixups"));
fixups[fc].reloc = toc_reloc;
fixups[fc].exp = ex;
fixups[fc].opindex = *opindex_ptr;
++fc;
- /* Ok. We've set up the fixup for the instruction. Now make it
- look like the constant 0 was found here */
+ /* Ok. We've set up the fixup for the instruction. Now make it
+ look like the constant 0 was found here. */
ex.X_unsigned = 1;
ex.X_op = O_constant;
ex.X_add_number = 0;
else
#endif /* TE_PE */
- if (!register_name(&ex))
- expression (&ex);
+ {
+ if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0)
+ || !register_name (&ex))
+ {
+ char save_lex = lex_type['%'];
+
+ if ((operand->flags & PPC_OPERAND_CR) != 0)
+ {
+ cr_operand = TRUE;
+ lex_type['%'] |= LEX_BEGIN_NAME;
+ }
+ expression (&ex);
+ cr_operand = FALSE;
+ lex_type['%'] = save_lex;
+ }
+ }
str = input_line_pointer;
input_line_pointer = hold;
if (ex.X_op == O_illegal)
- as_bad ("illegal operand");
+ as_bad (_("illegal operand"));
else if (ex.X_op == O_absent)
- as_bad ("missing operand");
+ as_bad (_("missing operand"));
else if (ex.X_op == O_register)
{
insn = ppc_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0);
+ ppc_cpu, (char *) NULL, 0);
}
else if (ex.X_op == O_constant)
{
#ifdef OBJ_ELF
- /* Allow @HA, @L, @H on constants. */
+ /* Allow @HA, @L, @H on constants. */
char *orig_str = str;
- if ((reloc = ppc_elf_suffix (&str)) != BFD_RELOC_UNUSED)
+ if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
switch (reloc)
{
default:
break;
case BFD_RELOC_LO16:
- ex.X_add_number = ((ex.X_add_number & 0xffff) ^ 0x8000) - 0x8000;
+ /* X_unsigned is the default, so if the user has done
+ something which cleared it, we always produce a
+ signed value. */
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number &= 0xffff;
+ else
+ ex.X_add_number = SEX16 (ex.X_add_number);
break;
case BFD_RELOC_HI16:
- ex.X_add_number = (ex.X_add_number >> 16) & 0xffff;
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number = PPC_HI (ex.X_add_number);
+ else
+ ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number));
break;
case BFD_RELOC_HI16_S:
- ex.X_add_number = ((ex.X_add_number >> 16) & 0xffff)
- + ((ex.X_add_number >> 15) & 1);
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number = PPC_HA (ex.X_add_number);
+ else
+ ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number));
+ break;
+
+ case BFD_RELOC_PPC64_HIGHER:
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number = PPC_HIGHER (ex.X_add_number);
+ else
+ ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number));
+ break;
+
+ case BFD_RELOC_PPC64_HIGHER_S:
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number = PPC_HIGHERA (ex.X_add_number);
+ else
+ ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number));
+ break;
+
+ case BFD_RELOC_PPC64_HIGHEST:
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number = PPC_HIGHEST (ex.X_add_number);
+ else
+ ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number));
+ break;
+
+ case BFD_RELOC_PPC64_HIGHEST_S:
+ if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
+ ex.X_add_number = PPC_HIGHESTA (ex.X_add_number);
+ else
+ ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number));
break;
}
-#endif
+#endif /* OBJ_ELF */
insn = ppc_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0);
+ ppc_cpu, (char *) NULL, 0);
}
#ifdef OBJ_ELF
- else if ((reloc = ppc_elf_suffix (&str)) != BFD_RELOC_UNUSED)
+ else
{
- /* For the absoulte forms of branchs, convert the PC relative form back into
- the absolute. */
- if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
- switch (reloc)
- {
- case BFD_RELOC_PPC_B26: reloc = BFD_RELOC_PPC_BA26; break;
- case BFD_RELOC_PPC_B16: reloc = BFD_RELOC_PPC_BA16; break;
- case BFD_RELOC_PPC_B16_BRTAKEN: reloc = BFD_RELOC_PPC_BA16_BRTAKEN; break;
- case BFD_RELOC_PPC_B16_BRNTAKEN: reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; break;
- }
+ if (ex.X_op == O_symbol && str[0] == '(')
+ {
+ const char *sym_name = S_GET_NAME (ex.X_add_symbol);
+ if (sym_name[0] == '.')
+ ++sym_name;
+
+ if (strcasecmp (sym_name, "__tls_get_addr") == 0)
+ {
+ expressionS tls_exp;
+
+ hold = input_line_pointer;
+ input_line_pointer = str + 1;
+ expression (&tls_exp);
+ if (tls_exp.X_op == O_symbol)
+ {
+ reloc = BFD_RELOC_UNUSED;
+ if (strncasecmp (input_line_pointer, "@tlsgd)", 7) == 0)
+ {
+ reloc = BFD_RELOC_PPC_TLSGD;
+ input_line_pointer += 7;
+ }
+ else if (strncasecmp (input_line_pointer, "@tlsld)", 7) == 0)
+ {
+ reloc = BFD_RELOC_PPC_TLSLD;
+ input_line_pointer += 7;
+ }
+ if (reloc != BFD_RELOC_UNUSED)
+ {
+ SKIP_WHITESPACE ();
+ str = input_line_pointer;
+
+ if (fc >= MAX_INSN_FIXUPS)
+ as_fatal (_("too many fixups"));
+ fixups[fc].exp = tls_exp;
+ fixups[fc].opindex = *opindex_ptr;
+ fixups[fc].reloc = reloc;
+ ++fc;
+ }
+ }
+ input_line_pointer = hold;
+ }
+ }
+
+ if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
+ {
+ /* Some TLS tweaks. */
+ switch (reloc)
+ {
+ default:
+ break;
+
+ case BFD_RELOC_PPC_TLS:
+ if (!_bfd_elf_ppc_at_tls_transform (opcode->opcode, 0))
+ as_bad (_("@tls may not be used with \"%s\" operands"),
+ opcode->name);
+ else if (operand->shift != 11)
+ as_bad (_("@tls may only be used in last operand"));
+ else
+ insn = ppc_insert_operand (insn, operand,
+ ppc_obj64 ? 13 : 2,
+ ppc_cpu, (char *) NULL, 0);
+ break;
+
+ /* We'll only use the 32 (or 64) bit form of these relocations
+ in constants. Instructions get the 16 bit form. */
+ case BFD_RELOC_PPC_DTPREL:
+ reloc = BFD_RELOC_PPC_DTPREL16;
+ break;
+ case BFD_RELOC_PPC_TPREL:
+ reloc = BFD_RELOC_PPC_TPREL16;
+ break;
+ }
+
+ /* For the absolute forms of branches, convert the PC
+ relative form back into the absolute. */
+ if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
+ {
+ switch (reloc)
+ {
+ case BFD_RELOC_PPC_B26:
+ reloc = BFD_RELOC_PPC_BA26;
+ break;
+ case BFD_RELOC_PPC_B16:
+ reloc = BFD_RELOC_PPC_BA16;
+ break;
+ case BFD_RELOC_PPC_B16_BRTAKEN:
+ reloc = BFD_RELOC_PPC_BA16_BRTAKEN;
+ break;
+ case BFD_RELOC_PPC_B16_BRNTAKEN:
+ reloc = BFD_RELOC_PPC_BA16_BRNTAKEN;
+ break;
+ default:
+ break;
+ }
+ }
+
+ switch (reloc)
+ {
+ case BFD_RELOC_PPC_TOC16:
+ toc_reloc_types |= has_small_toc_reloc;
+ break;
+ case BFD_RELOC_PPC64_TOC16_LO:
+ case BFD_RELOC_PPC64_TOC16_HI:
+ case BFD_RELOC_PPC64_TOC16_HA:
+ toc_reloc_types |= has_large_toc_reloc;
+ break;
+ default:
+ break;
+ }
+
+ if (ppc_obj64
+ && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0)
+ {
+ switch (reloc)
+ {
+ case BFD_RELOC_16:
+ reloc = BFD_RELOC_PPC64_ADDR16_DS;
+ break;
+ case BFD_RELOC_LO16:
+ reloc = BFD_RELOC_PPC64_ADDR16_LO_DS;
+ break;
+ case BFD_RELOC_16_GOTOFF:
+ reloc = BFD_RELOC_PPC64_GOT16_DS;
+ break;
+ case BFD_RELOC_LO16_GOTOFF:
+ reloc = BFD_RELOC_PPC64_GOT16_LO_DS;
+ break;
+ case BFD_RELOC_LO16_PLTOFF:
+ reloc = BFD_RELOC_PPC64_PLT16_LO_DS;
+ break;
+ case BFD_RELOC_16_BASEREL:
+ reloc = BFD_RELOC_PPC64_SECTOFF_DS;
+ break;
+ case BFD_RELOC_LO16_BASEREL:
+ reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS;
+ break;
+ case BFD_RELOC_PPC_TOC16:
+ reloc = BFD_RELOC_PPC64_TOC16_DS;
+ break;
+ case BFD_RELOC_PPC64_TOC16_LO:
+ reloc = BFD_RELOC_PPC64_TOC16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16:
+ reloc = BFD_RELOC_PPC64_PLTGOT16_DS;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16_LO:
+ reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS;
+ break;
+ case BFD_RELOC_PPC_DTPREL16:
+ reloc = BFD_RELOC_PPC64_DTPREL16_DS;
+ break;
+ case BFD_RELOC_PPC_DTPREL16_LO:
+ reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS;
+ break;
+ case BFD_RELOC_PPC_TPREL16:
+ reloc = BFD_RELOC_PPC64_TPREL16_DS;
+ break;
+ case BFD_RELOC_PPC_TPREL16_LO:
+ reloc = BFD_RELOC_PPC64_TPREL16_LO_DS;
+ break;
+ case BFD_RELOC_PPC_GOT_DTPREL16:
+ case BFD_RELOC_PPC_GOT_DTPREL16_LO:
+ case BFD_RELOC_PPC_GOT_TPREL16:
+ case BFD_RELOC_PPC_GOT_TPREL16_LO:
+ break;
+ default:
+ as_bad (_("unsupported relocation for DS offset field"));
+ break;
+ }
+ }
+ }
/* We need to generate a fixup for this expression. */
if (fc >= MAX_INSN_FIXUPS)
- as_fatal ("too many fixups");
+ as_fatal (_("too many fixups"));
fixups[fc].exp = ex;
- fixups[fc].opindex = 0;
+ fixups[fc].opindex = *opindex_ptr;
fixups[fc].reloc = reloc;
++fc;
}
-#endif /* OBJ_ELF */
-
+#else /* OBJ_ELF */
else
{
/* We need to generate a fixup for this expression. */
if (fc >= MAX_INSN_FIXUPS)
- as_fatal ("too many fixups");
+ as_fatal (_("too many fixups"));
fixups[fc].exp = ex;
fixups[fc].opindex = *opindex_ptr;
fixups[fc].reloc = BFD_RELOC_UNUSED;
++fc;
}
+#endif /* OBJ_ELF */
if (need_paren)
{
endc = ')';
need_paren = 0;
+ /* If expecting more operands, then we want to see "),". */
+ if (*str == endc && opindex_ptr[1] != 0)
+ {
+ do
+ ++str;
+ while (ISSPACE (*str));
+ endc = ',';
+ }
}
else if ((operand->flags & PPC_OPERAND_PARENS) != 0)
{
if (*str != endc
&& (endc != ',' || *str != '\0'))
{
- as_bad ("syntax error; found `%c' but expected `%c'", *str, endc);
+ as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc);
break;
}
++str;
}
- while (isspace (*str))
+ while (ISSPACE (*str))
++str;
if (*str != '\0')
- as_bad ("junk at end of line: `%s'", str);
+ as_bad (_("junk at end of line: `%s'"), str);
+
+#ifdef OBJ_ELF
+ /* Do we need/want a APUinfo section? */
+ if ((ppc_cpu & (PPC_OPCODE_E500 | PPC_OPCODE_E500MC)) != 0)
+ {
+ /* These are all version "1". */
+ if (opcode->flags & PPC_OPCODE_SPE)
+ ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1);
+ if (opcode->flags & PPC_OPCODE_ISEL)
+ ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1);
+ if (opcode->flags & PPC_OPCODE_EFS)
+ ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1);
+ if (opcode->flags & PPC_OPCODE_BRLOCK)
+ ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1);
+ if (opcode->flags & PPC_OPCODE_PMR)
+ ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1);
+ if (opcode->flags & PPC_OPCODE_CACHELCK)
+ ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1);
+ if (opcode->flags & PPC_OPCODE_RFMCI)
+ ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1);
+ }
+#endif
/* Write out the instruction. */
f = frag_more (4);
+ addr_mod = frag_now_fix () & 3;
+ if (frag_now->has_code && frag_now->insn_addr != addr_mod)
+ as_bad (_("instruction address is not a multiple of 4"));
+ frag_now->insn_addr = addr_mod;
+ frag_now->has_code = 1;
md_number_to_chars (f, insn, 4);
+#ifdef OBJ_ELF
+ dwarf2_emit_insn (4);
+#endif
+
/* Create any fixups. At this point we do not use a
bfd_reloc_code_real_type, but instead just use the
BFD_RELOC_UNUSED plus the operand index. This lets us easily
md_apply_fix. */
for (i = 0; i < fc; i++)
{
- const struct powerpc_operand *operand;
-
- operand = &powerpc_operands[fixups[i].opindex];
if (fixups[i].reloc != BFD_RELOC_UNUSED)
{
- reloc_howto_type *reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
+ reloc_howto_type *reloc_howto;
int size;
int offset;
fixS *fixP;
+ reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
if (!reloc_howto)
abort ();
offset = target_big_endian ? (4 - size) : 0;
if (size < 1 || size > 4)
- abort();
+ abort ();
- fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, size,
- &fixups[i].exp, reloc_howto->pc_relative,
+ fixP = fix_new_exp (frag_now,
+ f - frag_now->fr_literal + offset,
+ size,
+ &fixups[i].exp,
+ reloc_howto->pc_relative,
fixups[i].reloc);
/* Turn off complaints that the addend is too large for things like
case BFD_RELOC_LO16:
case BFD_RELOC_HI16:
case BFD_RELOC_HI16_S:
+#ifdef OBJ_ELF
+ case BFD_RELOC_PPC64_HIGHER:
+ case BFD_RELOC_PPC64_HIGHER_S:
+ case BFD_RELOC_PPC64_HIGHEST:
+ case BFD_RELOC_PPC64_HIGHEST_S:
+#endif
fixP->fx_no_overflow = 1;
break;
default:
}
}
else
- fix_new_exp (frag_now, f - frag_now->fr_literal, 4,
- &fixups[i].exp,
- (operand->flags & PPC_OPERAND_RELATIVE) != 0,
- ((bfd_reloc_code_real_type)
- (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
+ {
+ const struct powerpc_operand *operand;
+
+ operand = &powerpc_operands[fixups[i].opindex];
+ fix_new_exp (frag_now,
+ f - frag_now->fr_literal,
+ 4,
+ &fixups[i].exp,
+ (operand->flags & PPC_OPERAND_RELATIVE) != 0,
+ ((bfd_reloc_code_real_type)
+ (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
+ }
}
}
-#ifndef WORKING_DOT_WORD
-/* Handle long and short jumps */
-void
-md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
- char *ptr;
- addressT from_addr, to_addr;
- fragS *frag;
- symbolS *to_symbol;
-{
- abort ();
-}
-
-void
-md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
- char *ptr;
- addressT from_addr, to_addr;
- fragS *frag;
- symbolS *to_symbol;
-{
- abort ();
-}
-#endif
-
/* Handle a macro. Gather all the operands, transform them as
described by the macro, and call md_assemble recursively. All the
operands are separated by commas; we don't accept parentheses
around operands here. */
static void
-ppc_macro (str, macro)
- char *str;
- const struct powerpc_macro *macro;
+ppc_macro (char *str, const struct powerpc_macro *macro)
{
char *operands[10];
unsigned int count;
char *s;
unsigned int len;
const char *format;
- int arg;
+ unsigned int arg;
char *send;
char *complete;
if (s == (char *) NULL)
break;
*s++ = '\0';
- }
+ }
if (count != macro->operands)
{
- as_bad ("wrong number of operands");
+ as_bad (_("wrong number of operands"));
return;
}
else
{
arg = strtol (format + 1, &send, 10);
- know (send != format && arg >= 0 && arg < count);
+ know (send != format && arg < count);
len += strlen (operands[arg]);
format = send;
}
/* Assemble the constructed instruction. */
md_assemble (complete);
-}
+}
\f
#ifdef OBJ_ELF
-/* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED */
-
-int
-ppc_section_letter (letter, ptr_msg)
- int letter;
- char **ptr_msg;
-{
- if (letter == 'e')
- return SHF_EXCLUDE;
-
- *ptr_msg = "Bad .section directive: want a,w,x,e in string";
- return 0;
-}
-
-int
-ppc_section_word (ptr_str)
- char **ptr_str;
-{
- if (strncmp (*ptr_str, "exclude", sizeof ("exclude")-1) == 0)
- {
- *ptr_str += sizeof ("exclude")-1;
- return SHF_EXCLUDE;
- }
-
- return 0;
-}
+/* For ELF, add support for SHT_ORDERED. */
int
-ppc_section_type (ptr_str)
- char **ptr_str;
+ppc_section_type (char *str, size_t len)
{
- if (strncmp (*ptr_str, "ordered", sizeof ("ordered")-1) == 0)
- {
- *ptr_str += sizeof ("ordered")-1;
- return SHT_ORDERED;
- }
+ if (len == 7 && strncmp (str, "ordered", 7) == 0)
+ return SHT_ORDERED;
- return 0;
+ return -1;
}
int
-ppc_section_flags (flags, attr, type)
- int flags;
- int attr;
- int type;
+ppc_section_flags (flagword flags, bfd_vma attr ATTRIBUTE_UNUSED, int type)
{
if (type == SHT_ORDERED)
flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
- if (attr & SHF_EXCLUDE)
- flags |= SEC_EXCLUDE;
-
return flags;
}
#endif /* OBJ_ELF */
pseudo-op, but it can also take a single ASCII string. */
static void
-ppc_byte (ignore)
- int ignore;
+ppc_byte (int ignore ATTRIBUTE_UNUSED)
{
if (*input_line_pointer != '\"')
{
/* This is set if we are creating a .stabx symbol, since we don't want
to handle symbol suffixes for such symbols. */
-static boolean ppc_stab_symbol;
+static bfd_boolean ppc_stab_symbol;
/* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
symbols in the .bss segment as though they were local common
- symbols, and uses a different smclas. */
+ symbols, and uses a different smclas. The native Aix 4.3.3 assembler
+ aligns .comm and .lcomm to 4 bytes. */
static void
-ppc_comm (lcomm)
- int lcomm;
+ppc_comm (int lcomm)
{
asection *current_seg = now_seg;
subsegT current_subseg = now_subseg;
if (*input_line_pointer != ',')
{
- as_bad ("missing size");
+ as_bad (_("missing size"));
ignore_rest_of_line ();
return;
}
size = get_absolute_expression ();
if (size < 0)
{
- as_bad ("negative size");
+ as_bad (_("negative size"));
ignore_rest_of_line ();
return;
}
{
/* The third argument to .comm is the alignment. */
if (*input_line_pointer != ',')
- align = 3;
+ align = 2;
else
{
++input_line_pointer;
align = get_absolute_expression ();
if (align <= 0)
{
- as_warn ("ignoring bad alignment");
- align = 3;
+ as_warn (_("ignoring bad alignment"));
+ align = 2;
}
}
}
char *lcomm_name;
char lcomm_endc;
- if (size <= 1)
- align = 0;
- else if (size <= 2)
- align = 1;
- else if (size <= 4)
+ if (size <= 4)
align = 2;
else
align = 3;
argument. */
if (*input_line_pointer != ',')
{
- as_bad ("missing real symbol name");
+ as_bad (_("missing real symbol name"));
ignore_rest_of_line ();
return;
}
lcomm_name = input_line_pointer;
lcomm_endc = get_symbol_end ();
-
+
lcomm_sym = symbol_find_or_make (lcomm_name);
*input_line_pointer = lcomm_endc;
if (S_IS_DEFINED (sym)
|| S_GET_VALUE (sym) != 0)
{
- as_bad ("attempt to redefine symbol");
+ as_bad (_("attempt to redefine symbol"));
ignore_rest_of_line ();
return;
}
-
+
record_alignment (bss_section, align);
-
+
if (! lcomm
|| ! S_IS_DEFINED (lcomm_sym))
{
}
else
{
- lcomm_sym->sy_tc.output = 1;
+ symbol_get_tc (lcomm_sym)->output = 1;
def_sym = lcomm_sym;
def_size = 0;
}
subseg_set (bss_section, 1);
- frag_align (align, 0);
-
- def_sym->sy_frag = frag_now;
+ frag_align (align, 0, 0);
+
+ symbol_set_frag (def_sym, frag_now);
pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym,
def_size, (char *) NULL);
*pfrag = 0;
S_SET_SEGMENT (def_sym, bss_section);
- def_sym->sy_tc.align = align;
+ symbol_get_tc (def_sym)->align = align;
}
else if (lcomm)
{
/* Align the size of lcomm_sym. */
- lcomm_sym->sy_frag->fr_offset =
- ((lcomm_sym->sy_frag->fr_offset + (1 << align) - 1)
+ symbol_get_frag (lcomm_sym)->fr_offset =
+ ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1)
&~ ((1 << align) - 1));
- if (align > lcomm_sym->sy_tc.align)
- lcomm_sym->sy_tc.align = align;
+ if (align > symbol_get_tc (lcomm_sym)->align)
+ symbol_get_tc (lcomm_sym)->align = align;
}
if (lcomm)
{
/* Make sym an offset from lcomm_sym. */
S_SET_SEGMENT (sym, bss_section);
- sym->sy_frag = lcomm_sym->sy_frag;
- S_SET_VALUE (sym, lcomm_sym->sy_frag->fr_offset);
- lcomm_sym->sy_frag->fr_offset += size;
+ symbol_set_frag (sym, symbol_get_frag (lcomm_sym));
+ S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset);
+ symbol_get_frag (lcomm_sym)->fr_offset += size;
}
subseg_set (current_seg, current_subseg);
optional second argument is the alignment (the default is 2). */
static void
-ppc_csect (ignore)
- int ignore;
+ppc_csect (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
symbolS *sym;
+ offsetT align;
name = input_line_pointer;
endc = get_symbol_end ();
-
+
sym = symbol_find_or_make (name);
*input_line_pointer = endc;
if (S_GET_NAME (sym)[0] == '\0')
{
/* An unnamed csect is assumed to be [PR]. */
- sym->sy_tc.class = XMC_PR;
+ symbol_get_tc (sym)->symbol_class = XMC_PR;
}
- ppc_change_csect (sym);
-
+ align = 2;
if (*input_line_pointer == ',')
{
++input_line_pointer;
- sym->sy_tc.align = get_absolute_expression ();
+ align = get_absolute_expression ();
}
+ ppc_change_csect (sym, align);
+
demand_empty_rest_of_line ();
}
/* Change to a different csect. */
static void
-ppc_change_csect (sym)
- symbolS *sym;
+ppc_change_csect (symbolS *sym, offsetT align)
{
if (S_IS_DEFINED (sym))
- subseg_set (S_GET_SEGMENT (sym), sym->sy_tc.subseg);
+ subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg);
else
{
symbolS **list_ptr;
int after_toc;
+ int hold_chunksize;
symbolS *list;
+ int is_code;
+ segT sec;
/* This is a new csect. We need to look at the symbol class to
figure out whether it should go in the text section or the
data section. */
after_toc = 0;
- switch (sym->sy_tc.class)
+ is_code = 0;
+ switch (symbol_get_tc (sym)->symbol_class)
{
case XMC_PR:
case XMC_RO:
case XMC_TI:
case XMC_TB:
S_SET_SEGMENT (sym, text_section);
- sym->sy_tc.subseg = ppc_text_subsegment;
+ symbol_get_tc (sym)->subseg = ppc_text_subsegment;
++ppc_text_subsegment;
list_ptr = &ppc_text_csects;
+ is_code = 1;
break;
case XMC_RW:
case XMC_TC0:
case XMC_BS:
case XMC_UC:
if (ppc_toc_csect != NULL
- && ppc_toc_csect->sy_tc.subseg + 1 == ppc_data_subsegment)
+ && (symbol_get_tc (ppc_toc_csect)->subseg + 1
+ == ppc_data_subsegment))
after_toc = 1;
S_SET_SEGMENT (sym, data_section);
- sym->sy_tc.subseg = ppc_data_subsegment;
+ symbol_get_tc (sym)->subseg = ppc_data_subsegment;
++ppc_data_subsegment;
list_ptr = &ppc_data_csects;
break;
abort ();
}
- subseg_new (segment_name (S_GET_SEGMENT (sym)), sym->sy_tc.subseg);
+ /* We set the obstack chunk size to a small value before
+ changing subsegments, so that we don't use a lot of memory
+ space for what may be a small section. */
+ hold_chunksize = chunksize;
+ chunksize = 64;
+
+ sec = subseg_new (segment_name (S_GET_SEGMENT (sym)),
+ symbol_get_tc (sym)->subseg);
+
+ chunksize = hold_chunksize;
+
if (after_toc)
ppc_after_toc_frag = frag_now;
- sym->sy_frag = frag_now;
+ record_alignment (sec, align);
+ if (is_code)
+ frag_align_code (align, 0);
+ else
+ frag_align (align, 0, 0);
+
+ symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, (valueT) frag_now_fix ());
- sym->sy_tc.align = 2;
- sym->sy_tc.output = 1;
- sym->sy_tc.within = sym;
-
+ symbol_get_tc (sym)->align = align;
+ symbol_get_tc (sym)->output = 1;
+ symbol_get_tc (sym)->within = sym;
+
for (list = *list_ptr;
- list->sy_tc.next != (symbolS *) NULL;
- list = list->sy_tc.next)
+ symbol_get_tc (list)->next != (symbolS *) NULL;
+ list = symbol_get_tc (list)->next)
;
- list->sy_tc.next = sym;
-
+ symbol_get_tc (list)->next = sym;
+
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
- symbol_append (sym, list->sy_tc.within, &symbol_rootP, &symbol_lastP);
+ symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
+ &symbol_lastP);
}
ppc_current_csect = sym;
convenience of people who aren't used to XCOFF. */
static void
-ppc_section (type)
- int type;
+ppc_section (int type)
{
const char *name;
symbolS *sym;
sym = symbol_find_or_make (name);
- ppc_change_csect (sym);
+ ppc_change_csect (sym, 2);
+
+ demand_empty_rest_of_line ();
+}
+
+/* This function handles the .section pseudo-op. This is mostly to
+ give an error, since XCOFF only supports .text, .data and .bss, but
+ we do permit the user to name the text or data section. */
+
+static void
+ppc_named_section (int ignore ATTRIBUTE_UNUSED)
+{
+ char *user_name;
+ const char *real_name;
+ char c;
+ symbolS *sym;
+
+ user_name = input_line_pointer;
+ c = get_symbol_end ();
+
+ if (strcmp (user_name, ".text") == 0)
+ real_name = ".text[PR]";
+ else if (strcmp (user_name, ".data") == 0)
+ real_name = ".data[RW]";
+ else
+ {
+ as_bad (_("The XCOFF file format does not support arbitrary sections"));
+ *input_line_pointer = c;
+ ignore_rest_of_line ();
+ return;
+ }
+
+ *input_line_pointer = c;
+
+ sym = symbol_find_or_make (real_name);
+
+ ppc_change_csect (sym, 2);
demand_empty_rest_of_line ();
}
/* The .extern pseudo-op. We create an undefined symbol. */
static void
-ppc_extern (ignore)
- int ignore;
+ppc_extern (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
/* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
static void
-ppc_lglobl (ignore)
- int ignore;
+ppc_lglobl (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
*input_line_pointer = endc;
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
+
+ demand_empty_rest_of_line ();
+}
+
+/* The .ref pseudo-op. It takes a list of symbol names and inserts R_REF
+ relocations at the beginning of the current csect.
+
+ (In principle, there's no reason why the relocations _have_ to be at
+ the beginning. Anywhere in the csect would do. However, inserting
+ at the beginning is what the native assmebler does, and it helps to
+ deal with cases where the .ref statements follow the section contents.)
+
+ ??? .refs don't work for empty .csects. However, the native assembler
+ doesn't report an error in this case, and neither yet do we. */
+
+static void
+ppc_ref (int ignore ATTRIBUTE_UNUSED)
+{
+ char *name;
+ char c;
+
+ if (ppc_current_csect == NULL)
+ {
+ as_bad (_(".ref outside .csect"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ do
+ {
+ name = input_line_pointer;
+ c = get_symbol_end ();
+
+ fix_at_start (symbol_get_frag (ppc_current_csect), 0,
+ symbol_find_or_make (name), 0, FALSE, BFD_RELOC_NONE);
+
+ *input_line_pointer = c;
+ SKIP_WHITESPACE ();
+ c = *input_line_pointer;
+ if (c == ',')
+ {
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (is_end_of_line[(unsigned char) *input_line_pointer])
+ {
+ as_bad (_("missing symbol name"));
+ ignore_rest_of_line ();
+ return;
+ }
+ }
+ }
+ while (c == ',');
demand_empty_rest_of_line ();
}
although I don't know why it bothers. */
static void
-ppc_rename (ignore)
- int ignore;
+ppc_rename (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
if (*input_line_pointer != ',')
{
- as_bad ("missing rename string");
+ as_bad (_("missing rename string"));
ignore_rest_of_line ();
return;
}
++input_line_pointer;
- sym->sy_tc.real_name = demand_copy_C_string (&len);
+ symbol_get_tc (sym)->real_name = demand_copy_C_string (&len);
demand_empty_rest_of_line ();
}
always zero, and I am assuming it is the type. */
static void
-ppc_stabx (ignore)
- int ignore;
+ppc_stabx (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int len;
if (*input_line_pointer != ',')
{
- as_bad ("missing value");
+ as_bad (_("missing value"));
return;
}
++input_line_pointer;
- ppc_stab_symbol = true;
+ ppc_stab_symbol = TRUE;
sym = symbol_make (name);
- ppc_stab_symbol = false;
+ ppc_stab_symbol = FALSE;
- sym->sy_tc.real_name = name;
+ symbol_get_tc (sym)->real_name = name;
(void) expression (&exp);
case O_illegal:
case O_absent:
case O_big:
- as_bad ("illegal .stabx expression; zero assumed");
+ as_bad (_("illegal .stabx expression; zero assumed"));
exp.X_add_number = 0;
/* Fall through. */
case O_constant:
S_SET_VALUE (sym, (valueT) exp.X_add_number);
- sym->sy_frag = &zero_address_frag;
+ symbol_set_frag (sym, &zero_address_frag);
break;
case O_symbol:
if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section)
- sym->sy_value = exp;
+ symbol_set_value_expression (sym, &exp);
else
{
S_SET_VALUE (sym,
exp.X_add_number + S_GET_VALUE (exp.X_add_symbol));
- sym->sy_frag = exp.X_add_symbol->sy_frag;
+ symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol));
}
break;
default:
/* The value is some complex expression. This will probably
- fail at some later point, but this is probably the right
- thing to do here. */
- sym->sy_value = exp;
+ fail at some later point, but this is probably the right
+ thing to do here. */
+ symbol_set_value_expression (sym, &exp);
break;
}
S_SET_SEGMENT (sym, ppc_coff_debug_section);
- sym->bsym->flags |= BSF_DEBUGGING;
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
if (*input_line_pointer != ',')
{
- as_bad ("missing class");
+ as_bad (_("missing class"));
return;
}
++input_line_pointer;
if (*input_line_pointer != ',')
{
- as_bad ("missing type");
+ as_bad (_("missing type"));
return;
}
++input_line_pointer;
S_SET_DATA_TYPE (sym, get_absolute_expression ());
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
+
+ if (S_GET_STORAGE_CLASS (sym) == C_STSYM) {
+
+ symbol_get_tc (sym)->within = ppc_current_block;
+
+ /* In this case :
- if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
- sym->sy_tc.within = ppc_current_block;
+ .bs name
+ .stabx "z",arrays_,133,0
+ .es
+
+ .comm arrays_,13768,3
+
+ resolve_symbol_value will copy the exp's "within" into sym's when the
+ offset is 0. Since this seems to be corner case problem,
+ only do the correction for storage class C_STSYM. A better solution
+ would be to have the tc field updated in ppc_symbol_new_hook. */
+
+ if (exp.X_op == O_symbol)
+ {
+ symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block;
+ }
+ }
if (exp.X_op != O_symbol
|| ! S_IS_EXTERNAL (exp.X_add_symbol)
{
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP);
- if (ppc_current_csect->sy_tc.within == exp.X_add_symbol)
- ppc_current_csect->sy_tc.within = sym;
+ if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol)
+ symbol_get_tc (ppc_current_csect)->within = sym;
}
demand_empty_rest_of_line ();
/* The .function pseudo-op. This takes several arguments. The first
argument seems to be the external name of the symbol. The second
- argment seems to be the label for the start of the function. gcc
+ argument seems to be the label for the start of the function. gcc
uses the same name for both. I have no idea what the third and
fourth arguments are meant to be. The optional fifth argument is
an expression for the size of the function. In COFF this symbol
gets an aux entry like that used for a csect. */
static void
-ppc_function (ignore)
- int ignore;
+ppc_function (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
if (*input_line_pointer != ',')
{
- as_bad ("missing symbol name");
+ as_bad (_("missing symbol name"));
ignore_rest_of_line ();
return;
}
if (ext_sym != lab_sym)
{
- ext_sym->sy_value.X_op = O_symbol;
- ext_sym->sy_value.X_add_symbol = lab_sym;
- ext_sym->sy_value.X_op_symbol = NULL;
- ext_sym->sy_value.X_add_number = 0;
+ expressionS exp;
+
+ exp.X_op = O_symbol;
+ exp.X_add_symbol = lab_sym;
+ exp.X_op_symbol = NULL;
+ exp.X_add_number = 0;
+ exp.X_unsigned = 0;
+ symbol_set_value_expression (ext_sym, &exp);
}
- if (ext_sym->sy_tc.class == -1)
- ext_sym->sy_tc.class = XMC_PR;
- ext_sym->sy_tc.output = 1;
+ if (symbol_get_tc (ext_sym)->symbol_class == -1)
+ symbol_get_tc (ext_sym)->symbol_class = XMC_PR;
+ symbol_get_tc (ext_sym)->output = 1;
if (*input_line_pointer == ',')
{
- expressionS ignore;
+ expressionS exp;
/* Ignore the third argument. */
++input_line_pointer;
- expression (&ignore);
+ expression (& exp);
if (*input_line_pointer == ',')
{
/* Ignore the fourth argument. */
++input_line_pointer;
- expression (&ignore);
+ expression (& exp);
if (*input_line_pointer == ',')
{
/* The fifth argument is the function size. */
++input_line_pointer;
- ext_sym->sy_tc.size = symbol_new ("L0\001",
- absolute_section,
- (valueT) 0,
- &zero_address_frag);
- pseudo_set (ext_sym->sy_tc.size);
+ symbol_get_tc (ext_sym)->size = symbol_new ("L0\001",
+ absolute_section,
+ (valueT) 0,
+ &zero_address_frag);
+ pseudo_set (symbol_get_tc (ext_sym)->size);
}
}
}
}
/* The .bf pseudo-op. This is just like a COFF C_FCN symbol named
- ".bf". */
+ ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym
+ with the correct line number */
+
+static symbolS *saved_bi_sym = 0;
static void
-ppc_bf (ignore)
- int ignore;
+ppc_bf (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
sym = symbol_make (".bf");
S_SET_SEGMENT (sym, text_section);
- sym->sy_frag = frag_now;
+ symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, frag_now_fix ());
S_SET_STORAGE_CLASS (sym, C_FCN);
S_SET_NUMBER_AUXILIARY (sym, 1);
SA_SET_SYM_LNNO (sym, coff_line_base);
- sym->sy_tc.output = 1;
+ /* Line number for bi. */
+ if (saved_bi_sym)
+ {
+ S_SET_VALUE (saved_bi_sym, coff_n_line_nos);
+ saved_bi_sym = 0;
+ }
+
+
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
most recent ".bf" symbol. */
static void
-ppc_ef (ignore)
- int ignore;
+ppc_ef (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
sym = symbol_make (".ef");
S_SET_SEGMENT (sym, text_section);
- sym->sy_frag = frag_now;
+ symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, frag_now_fix ());
S_SET_STORAGE_CLASS (sym, C_FCN);
S_SET_NUMBER_AUXILIARY (sym, 1);
SA_SET_SYM_LNNO (sym, get_absolute_expression ());
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
/* The .bi and .ei pseudo-ops. These take a string argument and
generates a C_BINCL or C_EINCL symbol, which goes at the start of
- the symbol list. */
+ the symbol list. The value of .bi will be know when the next .bf
+ is encountered. */
static void
-ppc_biei (ei)
- int ei;
+ppc_biei (int ei)
{
+ static symbolS *last_biei;
+
char *name;
int len;
symbolS *sym;
.text section. */
S_SET_SEGMENT (sym, text_section);
S_SET_VALUE (sym, coff_n_line_nos);
- sym->bsym->flags |= BSF_DEBUGGING;
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL);
- sym->sy_tc.output = 1;
-
- for (look = symbol_rootP;
+ symbol_get_tc (sym)->output = 1;
+
+ /* Save bi. */
+ if (ei)
+ saved_bi_sym = 0;
+ else
+ saved_bi_sym = sym;
+
+ for (look = last_biei ? last_biei : symbol_rootP;
(look != (symbolS *) NULL
&& (S_GET_STORAGE_CLASS (look) == C_FILE
|| S_GET_STORAGE_CLASS (look) == C_BINCL
{
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
symbol_insert (sym, look, &symbol_rootP, &symbol_lastP);
+ last_biei = sym;
}
demand_empty_rest_of_line ();
.bs symbol is the index of this csect symbol. */
static void
-ppc_bs (ignore)
- int ignore;
+ppc_bs (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
symbolS *sym;
if (ppc_current_block != NULL)
- as_bad ("nested .bs blocks");
+ as_bad (_("nested .bs blocks"));
name = input_line_pointer;
endc = get_symbol_end ();
sym = symbol_make (".bs");
S_SET_SEGMENT (sym, now_seg);
S_SET_STORAGE_CLASS (sym, C_BSTAT);
- sym->bsym->flags |= BSF_DEBUGGING;
- sym->sy_tc.output = 1;
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
+ symbol_get_tc (sym)->output = 1;
- sym->sy_tc.within = csect;
+ symbol_get_tc (sym)->within = csect;
ppc_frob_label (sym);
/* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
static void
-ppc_es (ignore)
- int ignore;
+ppc_es (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
if (ppc_current_block == NULL)
- as_bad (".es without preceding .bs");
+ as_bad (_(".es without preceding .bs"));
sym = symbol_make (".es");
S_SET_SEGMENT (sym, now_seg);
S_SET_STORAGE_CLASS (sym, C_ESTAT);
- sym->bsym->flags |= BSF_DEBUGGING;
- sym->sy_tc.output = 1;
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
line number. */
static void
-ppc_bb (ignore)
- int ignore;
+ppc_bb (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
sym = symbol_make (".bb");
S_SET_SEGMENT (sym, text_section);
- sym->sy_frag = frag_now;
+ symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, frag_now_fix ());
S_SET_STORAGE_CLASS (sym, C_BLOCK);
S_SET_NUMBER_AUXILIARY (sym, 1);
SA_SET_SYM_LNNO (sym, get_absolute_expression ());
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
SF_SET_PROCESS (sym);
line number. */
static void
-ppc_eb (ignore)
- int ignore;
+ppc_eb (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
sym = symbol_make (".eb");
S_SET_SEGMENT (sym, text_section);
- sym->sy_frag = frag_now;
+ symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, frag_now_fix ());
S_SET_STORAGE_CLASS (sym, C_BLOCK);
S_SET_NUMBER_AUXILIARY (sym, 1);
SA_SET_SYM_LNNO (sym, get_absolute_expression ());
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
SF_SET_PROCESS (sym);
specified name. */
static void
-ppc_bc (ignore)
- int ignore;
+ppc_bc (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int len;
name = demand_copy_C_string (&len);
sym = symbol_make (name);
S_SET_SEGMENT (sym, ppc_coff_debug_section);
- sym->bsym->flags |= BSF_DEBUGGING;
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
S_SET_STORAGE_CLASS (sym, C_BCOMM);
S_SET_VALUE (sym, 0);
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
/* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
static void
-ppc_ec (ignore)
- int ignore;
+ppc_ec (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
sym = symbol_make (".ec");
S_SET_SEGMENT (sym, ppc_coff_debug_section);
- sym->bsym->flags |= BSF_DEBUGGING;
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
S_SET_STORAGE_CLASS (sym, C_ECOMM);
S_SET_VALUE (sym, 0);
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
/* The .toc pseudo-op. Switch to the .toc subsegment. */
static void
-ppc_toc (ignore)
- int ignore;
+ppc_toc (int ignore ATTRIBUTE_UNUSED)
{
if (ppc_toc_csect != (symbolS *) NULL)
- subseg_set (data_section, ppc_toc_csect->sy_tc.subseg);
+ subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
else
{
subsegT subseg;
symbolS *sym;
symbolS *list;
-
+
subseg = ppc_data_subsegment;
++ppc_data_subsegment;
ppc_toc_frag = frag_now;
sym = symbol_find_or_make ("TOC[TC0]");
- sym->sy_frag = frag_now;
+ symbol_set_frag (sym, frag_now);
S_SET_SEGMENT (sym, data_section);
S_SET_VALUE (sym, (valueT) frag_now_fix ());
- sym->sy_tc.subseg = subseg;
- sym->sy_tc.output = 1;
- sym->sy_tc.within = sym;
+ symbol_get_tc (sym)->subseg = subseg;
+ symbol_get_tc (sym)->output = 1;
+ symbol_get_tc (sym)->within = sym;
ppc_toc_csect = sym;
-
+
for (list = ppc_data_csects;
- list->sy_tc.next != (symbolS *) NULL;
- list = list->sy_tc.next)
+ symbol_get_tc (list)->next != (symbolS *) NULL;
+ list = symbol_get_tc (list)->next)
;
- list->sy_tc.next = sym;
+ symbol_get_tc (list)->next = sym;
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
- symbol_append (sym, list->sy_tc.within, &symbol_rootP, &symbol_lastP);
+ symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
+ &symbol_lastP);
}
ppc_current_csect = ppc_toc_csect;
demand_empty_rest_of_line ();
}
+/* The AIX assembler automatically aligns the operands of a .long or
+ .short pseudo-op, and we want to be compatible. */
+
+static void
+ppc_xcoff_cons (int log_size)
+{
+ frag_align (log_size, 0, 0);
+ record_alignment (now_seg, log_size);
+ cons (1 << log_size);
+}
+
+static void
+ppc_vbyte (int dummy ATTRIBUTE_UNUSED)
+{
+ expressionS exp;
+ int byte_count;
+
+ (void) expression (&exp);
+
+ if (exp.X_op != O_constant)
+ {
+ as_bad (_("non-constant byte count"));
+ return;
+ }
+
+ byte_count = exp.X_add_number;
+
+ if (*input_line_pointer != ',')
+ {
+ as_bad (_("missing value"));
+ return;
+ }
+
+ ++input_line_pointer;
+ cons (byte_count);
+}
+
#endif /* OBJ_XCOFF */
+#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
\f
/* The .tc pseudo-op. This is used when generating either XCOFF or
ELF. This takes two or more arguments.
When generating XCOFF output, the first argument is the name to
give to this location in the toc; this will be a symbol with class
- TC. The rest of the arguments are 4 byte values to actually put at
+ TC. The rest of the arguments are N-byte values to actually put at
this location in the TOC; often there is just one more argument, a
- relocateable symbol reference.
+ relocatable symbol reference. The size of the value to store
+ depends on target word size. A 32-bit target uses 4-byte values, a
+ 64-bit target uses 8-byte values.
When not generating XCOFF output, the arguments are the same, but
the first argument is simply ignored. */
static void
-ppc_tc (ignore)
- int ignore;
+ppc_tc (int ignore ATTRIBUTE_UNUSED)
{
#ifdef OBJ_XCOFF
if (ppc_toc_csect == (symbolS *) NULL
|| ppc_toc_csect != ppc_current_csect)
{
- as_bad (".tc not in .toc section");
+ as_bad (_(".tc not in .toc section"));
ignore_rest_of_line ();
return;
}
{
symbolS *label;
- label = ppc_current_csect->sy_tc.within;
- if (label->sy_tc.class != XMC_TC0)
+ label = symbol_get_tc (ppc_current_csect)->within;
+ if (symbol_get_tc (label)->symbol_class != XMC_TC0)
{
- as_warn (".tc with no label");
+ as_bad (_(".tc with no label"));
ignore_rest_of_line ();
return;
}
S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
- label->sy_frag = sym->sy_frag;
+ symbol_set_frag (label, symbol_get_frag (sym));
S_SET_VALUE (label, S_GET_VALUE (sym));
while (! is_end_of_line[(unsigned char) *input_line_pointer])
}
S_SET_SEGMENT (sym, now_seg);
- sym->sy_frag = frag_now;
+ symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, (valueT) frag_now_fix ());
- sym->sy_tc.class = XMC_TC;
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->symbol_class = XMC_TC;
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
}
-#else /* ! defined (OBJ_XCOFF) */
+#endif /* OBJ_XCOFF */
+#ifdef OBJ_ELF
+ int align;
/* Skip the TOC symbol name. */
while (is_part_of_name (*input_line_pointer)
+ || *input_line_pointer == ' '
|| *input_line_pointer == '['
|| *input_line_pointer == ']'
|| *input_line_pointer == '{'
|| *input_line_pointer == '}')
++input_line_pointer;
- /* Align to a four byte boundary. */
- frag_align (2, 0);
- record_alignment (now_seg, 2);
-
-#endif /* ! defined (OBJ_XCOFF) */
+ /* Align to a four/eight byte boundary. */
+ align = ppc_obj64 ? 3 : 2;
+ frag_align (align, 0, 0);
+ record_alignment (now_seg, align);
+#endif /* OBJ_ELF */
if (*input_line_pointer != ',')
demand_empty_rest_of_line ();
else
{
++input_line_pointer;
- cons (4);
+ cons (ppc_obj64 ? 8 : 4);
+ }
+}
+
+/* Pseudo-op .machine. */
+
+static void
+ppc_machine (int ignore ATTRIBUTE_UNUSED)
+{
+ char *cpu_string;
+#define MAX_HISTORY 100
+ static ppc_cpu_t *cpu_history;
+ static int curr_hist;
+
+ SKIP_WHITESPACE ();
+
+ if (*input_line_pointer == '"')
+ {
+ int len;
+ cpu_string = demand_copy_C_string (&len);
+ }
+ else
+ {
+ char c;
+ cpu_string = input_line_pointer;
+ c = get_symbol_end ();
+ cpu_string = xstrdup (cpu_string);
+ *input_line_pointer = c;
+ }
+
+ if (cpu_string != NULL)
+ {
+ ppc_cpu_t old_cpu = ppc_cpu;
+ ppc_cpu_t new_cpu;
+ char *p;
+
+ for (p = cpu_string; *p != 0; p++)
+ *p = TOLOWER (*p);
+
+ if (strcmp (cpu_string, "push") == 0)
+ {
+ if (cpu_history == NULL)
+ cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history));
+
+ if (curr_hist >= MAX_HISTORY)
+ as_bad (_(".machine stack overflow"));
+ else
+ cpu_history[curr_hist++] = ppc_cpu;
+ }
+ else if (strcmp (cpu_string, "pop") == 0)
+ {
+ if (curr_hist <= 0)
+ as_bad (_(".machine stack underflow"));
+ else
+ ppc_cpu = cpu_history[--curr_hist];
+ }
+ else if ((new_cpu = ppc_parse_cpu (ppc_cpu, cpu_string)) != 0)
+ ppc_cpu = new_cpu;
+ else
+ as_bad (_("invalid machine `%s'"), cpu_string);
+
+ if (ppc_cpu != old_cpu)
+ ppc_setup_opcodes ();
}
+
+ demand_empty_rest_of_line ();
+}
+
+/* See whether a symbol is in the TOC section. */
+
+static int
+ppc_is_toc_sym (symbolS *sym)
+{
+#ifdef OBJ_XCOFF
+ return symbol_get_tc (sym)->symbol_class == XMC_TC;
+#endif
+#ifdef OBJ_ELF
+ const char *sname = segment_name (S_GET_SEGMENT (sym));
+ if (ppc_obj64)
+ return strcmp (sname, ".toc") == 0;
+ else
+ return strcmp (sname, ".got") == 0;
+#endif
}
+#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
\f
#ifdef TE_PE
-/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format */
+/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
/* Set the current section. */
static void
-ppc_set_current_section (new)
- segT new;
+ppc_set_current_section (segT new)
{
ppc_previous_section = ppc_current_section;
ppc_current_section = new;
/* pseudo-op: .previous
behaviour: toggles the current section with the previous section.
errors: None
- warnings: "No previous section"
-*/
+ warnings: "No previous section" */
+
static void
-ppc_previous(ignore)
- int ignore;
+ppc_previous (int ignore ATTRIBUTE_UNUSED)
{
symbolS *tmp;
- if (ppc_previous_section == NULL)
+ if (ppc_previous_section == NULL)
{
- as_warn("No previous section to return to. Directive ignored.");
+ as_warn (_("No previous section to return to. Directive ignored."));
return;
}
- subseg_set(ppc_previous_section, 0);
+ subseg_set (ppc_previous_section, 0);
- ppc_set_current_section(ppc_previous_section);
+ ppc_set_current_section (ppc_previous_section);
}
/* pseudo-op: .pdata
behaviour: predefined read only data section
- double word aligned
+ double word aligned
errors: None
warnings: None
initial: .section .pdata "adr3"
- a - don't know -- maybe a misprint
+ a - don't know -- maybe a misprint
d - initialized data
r - readable
3 - double word aligned (that would be 4 byte boundary)
commentary:
Tag index tables (also known as the function table) for exception
- handling, debugging, etc.
+ handling, debugging, etc. */
-*/
static void
-ppc_pdata(ignore)
- int ignore;
+ppc_pdata (int ignore ATTRIBUTE_UNUSED)
{
- if (pdata_section == 0)
+ if (pdata_section == 0)
{
pdata_section = subseg_new (".pdata", 0);
-
+
bfd_set_section_flags (stdoutput, pdata_section,
(SEC_ALLOC | SEC_LOAD | SEC_RELOC
| SEC_READONLY | SEC_DATA ));
-
+
bfd_set_section_alignment (stdoutput, pdata_section, 2);
}
else
{
- pdata_section = subseg_new(".pdata", 0);
+ pdata_section = subseg_new (".pdata", 0);
}
- ppc_set_current_section(pdata_section);
+ ppc_set_current_section (pdata_section);
}
/* pseudo-op: .ydata
behaviour: predefined read only data section
- double word aligned
+ double word aligned
errors: None
warnings: None
initial: .section .ydata "drw3"
- a - don't know -- maybe a misprint
+ a - don't know -- maybe a misprint
d - initialized data
r - readable
3 - double word aligned (that would be 4 byte boundary)
commentary:
Tag tables (also known as the scope table) for exception handling,
- debugging, etc.
-*/
+ debugging, etc. */
+
static void
-ppc_ydata(ignore)
- int ignore;
+ppc_ydata (int ignore ATTRIBUTE_UNUSED)
{
- if (ydata_section == 0)
+ if (ydata_section == 0)
{
ydata_section = subseg_new (".ydata", 0);
bfd_set_section_flags (stdoutput, ydata_section,
- (SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_READONLY | SEC_DATA ));
+ (SEC_ALLOC | SEC_LOAD | SEC_RELOC
+ | SEC_READONLY | SEC_DATA ));
bfd_set_section_alignment (stdoutput, ydata_section, 3);
}
{
ydata_section = subseg_new (".ydata", 0);
}
- ppc_set_current_section(ydata_section);
+ ppc_set_current_section (ydata_section);
}
/* pseudo-op: .reldata
behaviour: predefined read write data section
- double word aligned (4-byte)
+ double word aligned (4-byte)
FIXME: relocation is applied to it
FIXME: what's the difference between this and .data?
errors: None
commentary:
Like .data, but intended to hold data subject to relocation, such as
- function descriptors, etc.
-*/
+ function descriptors, etc. */
+
static void
-ppc_reldata(ignore)
- int ignore;
+ppc_reldata (int ignore ATTRIBUTE_UNUSED)
{
if (reldata_section == 0)
{
reldata_section = subseg_new (".reldata", 0);
bfd_set_section_flags (stdoutput, reldata_section,
- ( SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_DATA ));
+ (SEC_ALLOC | SEC_LOAD | SEC_RELOC
+ | SEC_DATA));
bfd_set_section_alignment (stdoutput, reldata_section, 2);
}
{
reldata_section = subseg_new (".reldata", 0);
}
- ppc_set_current_section(reldata_section);
+ ppc_set_current_section (reldata_section);
}
/* pseudo-op: .rdata
behaviour: predefined read only data section
- double word aligned
+ double word aligned
errors: None
warnings: None
initial: .section .rdata "dr3"
d - initialized data
r - readable
- 3 - double word aligned (that would be 4 byte boundary)
-*/
+ 3 - double word aligned (that would be 4 byte boundary) */
+
static void
-ppc_rdata(ignore)
- int ignore;
+ppc_rdata (int ignore ATTRIBUTE_UNUSED)
{
if (rdata_section == 0)
{
{
rdata_section = subseg_new (".rdata", 0);
}
- ppc_set_current_section(rdata_section);
+ ppc_set_current_section (rdata_section);
}
/* pseudo-op: .ualong
- behaviour: much like .int, with the exception that no alignment is
- performed.
+ behaviour: much like .int, with the exception that no alignment is
+ performed.
FIXME: test the alignment statement
errors: None
- warnings: None
-*/
+ warnings: None */
+
static void
-ppc_ualong(ignore)
- int ignore;
+ppc_ualong (int ignore ATTRIBUTE_UNUSED)
{
- /* try for long */
- cons ( 4 );
+ /* Try for long. */
+ cons (4);
}
/* pseudo-op: .znop <symbol name>
behaviour: Issue a nop instruction
- Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
+ Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
the supplied symbol name.
errors: None
- warnings: Missing symbol name
-*/
+ warnings: Missing symbol name */
+
static void
-ppc_znop(ignore)
- int ignore;
+ppc_znop (int ignore ATTRIBUTE_UNUSED)
{
unsigned long insn;
const struct powerpc_opcode *opcode;
expressionS ex;
char *f;
-
symbolS *sym;
-
- /* Strip out the symbol name */
char *symbol_name;
char c;
char *name;
flagword flags;
asection *sec;
+ /* Strip out the symbol name. */
symbol_name = input_line_pointer;
c = get_symbol_end ();
/* Look up the opcode in the hash table. */
opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop");
- /* stick in the nop */
+ /* Stick in the nop. */
insn = opcode->opcode;
/* Write out the instruction. */
}
-/* pseudo-op:
- behaviour:
- errors:
- warnings:
-*/
+/* pseudo-op:
+ behaviour:
+ errors:
+ warnings: */
+
static void
-ppc_pe_comm(lcomm)
- int lcomm;
+ppc_pe_comm (int lcomm)
{
- register char *name;
- register char c;
- register char *p;
+ char *name;
+ char c;
+ char *p;
offsetT temp;
- register symbolS *symbolP;
+ symbolS *symbolP;
offsetT align;
name = input_line_pointer;
c = get_symbol_end ();
- /* just after name is now '\0' */
+ /* just after name is now '\0'. */
p = input_line_pointer;
*p = c;
SKIP_WHITESPACE ();
if (*input_line_pointer != ',')
{
- as_bad ("Expected comma after symbol-name: rest of line ignored.");
+ as_bad (_("Expected comma after symbol-name: rest of line ignored."));
ignore_rest_of_line ();
return;
}
input_line_pointer++; /* skip ',' */
if ((temp = get_absolute_expression ()) < 0)
{
- as_warn (".COMMon length (%ld.) <0! Ignored.", (long) temp);
+ as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
ignore_rest_of_line ();
return;
}
align = get_absolute_expression ();
if (align <= 0)
{
- as_warn ("ignoring bad alignment");
+ as_warn (_("ignoring bad alignment"));
align = 3;
}
}
symbolP = symbol_find_or_make (name);
*p = c;
- if (S_IS_DEFINED (symbolP))
+ if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
{
- as_bad ("Ignoring attempt to re-define symbol `%s'.",
+ as_bad (_("Ignoring attempt to re-define symbol `%s'."),
S_GET_NAME (symbolP));
ignore_rest_of_line ();
return;
if (S_GET_VALUE (symbolP))
{
if (S_GET_VALUE (symbolP) != (valueT) temp)
- as_bad ("Length of .comm \"%s\" is already %ld. Not changed to %ld.",
+ as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
S_GET_NAME (symbolP),
(long) S_GET_VALUE (symbolP),
(long) temp);
{
S_SET_VALUE (symbolP, (valueT) temp);
S_SET_EXTERNAL (symbolP);
+ S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
}
demand_empty_rest_of_line ();
* additions/changes for the moto-pas assembler support. There are three
* categories:
*
- * FIXME: I just noticed this. This doesn't work at all really. It it
+ * FIXME: I just noticed this. This doesn't work at all really. It it
* setting bits that bfd probably neither understands or uses. The
* correct approach (?) will have to incorporate extra fields attached
* to the section to hold the system specific stuff. (krk)
*/
void
-ppc_pe_section (ignore)
- int ignore;
+ppc_pe_section (int ignore ATTRIBUTE_UNUSED)
{
- /* Strip out the section name */
+ /* Strip out the section name. */
char *section_name;
char c;
char *name;
align = 1;
}
else
- align = 4; /* default alignment to 16 byte boundary */
+ /* Default alignment to 16 byte boundary. */
+ align = 4;
if (*input_line_pointer == ',')
{
{
/* Section Contents */
case 'a': /* unknown */
- as_warn ("Unsupported section attribute -- 'a'");
+ as_bad (_("Unsupported section attribute -- 'a'"));
break;
case 'c': /* code section */
- flags |= SEC_CODE;
+ flags |= SEC_CODE;
break;
case 'd': /* section has initialized data */
flags |= SEC_DATA;
flags |= SEC_HAS_CONTENTS;
break;
case 'n': /* section can be discarded */
- flags &=~ SEC_LOAD;
+ flags &=~ SEC_LOAD;
break;
case 'R': /* Remove section at link time */
flags |= SEC_NEVER_LOAD;
break;
-
+#if IFLICT_BRAIN_DAMAGE
/* Section Protection */
case 'r': /* section is readable */
flags |= IMAGE_SCN_MEM_READ;
flags |= IMAGE_SCN_ALIGN_64BYTES;
align = 6;
break;
-
+#endif
default:
- as_warn("unknown section attribute '%c'",
+ as_bad (_("unknown section attribute '%c'"),
*input_line_pointer);
break;
}
sec = subseg_new (name, (subsegT) exp);
- ppc_set_current_section(sec);
+ ppc_set_current_section (sec);
if (flags != SEC_NO_FLAGS)
{
if (! bfd_set_section_flags (stdoutput, sec, flags))
- as_warn ("error setting flags for \"%s\": %s",
- bfd_section_name (stdoutput, sec),
- bfd_errmsg (bfd_get_error ()));
+ as_bad (_("error setting flags for \"%s\": %s"),
+ bfd_section_name (stdoutput, sec),
+ bfd_errmsg (bfd_get_error ()));
}
- bfd_set_section_alignment(stdoutput, sec, align);
-
+ bfd_set_section_alignment (stdoutput, sec, align);
}
static void
-ppc_pe_function (ignore)
- int ignore;
+ppc_pe_function (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
}
static void
-ppc_pe_tocd (ignore)
- int ignore;
+ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED)
{
if (tocdata_section == 0)
{
tocdata_section = subseg_new (".tocd", 0);
- /* FIXME: section flags won't work */
+ /* FIXME: section flags won't work. */
bfd_set_section_flags (stdoutput, tocdata_section,
(SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_READONLY | SEC_DATA ));
+ | SEC_READONLY | SEC_DATA));
bfd_set_section_alignment (stdoutput, tocdata_section, 2);
}
rdata_section = subseg_new (".tocd", 0);
}
- ppc_set_current_section(tocdata_section);
+ ppc_set_current_section (tocdata_section);
demand_empty_rest_of_line ();
}
/* Don't adjust TOC relocs to use the section symbol. */
int
-ppc_pe_fix_adjustable (fix)
- fixS *fix;
+ppc_pe_fix_adjustable (fixS *fix)
{
return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
}
any, to use square brackets, and to be in upper case. */
char *
-ppc_canonicalize_symbol_name (name)
- char *name;
+ppc_canonicalize_symbol_name (char *name)
{
char *s;
}
for (s++; *s != '\0' && *s != brac; s++)
- if (islower (*s))
- *s = toupper (*s);
+ *s = TOUPPER (*s);
if (*s == '\0' || s[1] != '\0')
- as_bad ("bad symbol suffix");
+ as_bad (_("bad symbol suffix"));
*s = ']';
}
called whenever a new symbol is created. */
void
-ppc_symbol_new_hook (sym)
- symbolS *sym;
+ppc_symbol_new_hook (symbolS *sym)
{
+ struct ppc_tc_sy *tc;
const char *s;
- sym->sy_tc.next = NULL;
- sym->sy_tc.output = 0;
- sym->sy_tc.class = -1;
- sym->sy_tc.real_name = NULL;
- sym->sy_tc.subseg = 0;
- sym->sy_tc.align = 0;
- sym->sy_tc.size = NULL;
- sym->sy_tc.within = NULL;
+ tc = symbol_get_tc (sym);
+ tc->next = NULL;
+ tc->output = 0;
+ tc->symbol_class = -1;
+ tc->real_name = NULL;
+ tc->subseg = 0;
+ tc->align = 0;
+ tc->size = NULL;
+ tc->within = NULL;
if (ppc_stab_symbol)
return;
{
case 'B':
if (strcmp (s, "BS]") == 0)
- sym->sy_tc.class = XMC_BS;
+ tc->symbol_class = XMC_BS;
break;
case 'D':
if (strcmp (s, "DB]") == 0)
- sym->sy_tc.class = XMC_DB;
+ tc->symbol_class = XMC_DB;
else if (strcmp (s, "DS]") == 0)
- sym->sy_tc.class = XMC_DS;
+ tc->symbol_class = XMC_DS;
break;
case 'G':
if (strcmp (s, "GL]") == 0)
- sym->sy_tc.class = XMC_GL;
+ tc->symbol_class = XMC_GL;
break;
case 'P':
if (strcmp (s, "PR]") == 0)
- sym->sy_tc.class = XMC_PR;
+ tc->symbol_class = XMC_PR;
break;
case 'R':
if (strcmp (s, "RO]") == 0)
- sym->sy_tc.class = XMC_RO;
+ tc->symbol_class = XMC_RO;
else if (strcmp (s, "RW]") == 0)
- sym->sy_tc.class = XMC_RW;
+ tc->symbol_class = XMC_RW;
break;
case 'S':
if (strcmp (s, "SV]") == 0)
- sym->sy_tc.class = XMC_SV;
+ tc->symbol_class = XMC_SV;
break;
case 'T':
if (strcmp (s, "TC]") == 0)
- sym->sy_tc.class = XMC_TC;
+ tc->symbol_class = XMC_TC;
else if (strcmp (s, "TI]") == 0)
- sym->sy_tc.class = XMC_TI;
+ tc->symbol_class = XMC_TI;
else if (strcmp (s, "TB]") == 0)
- sym->sy_tc.class = XMC_TB;
+ tc->symbol_class = XMC_TB;
else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0)
- sym->sy_tc.class = XMC_TC0;
+ tc->symbol_class = XMC_TC0;
break;
case 'U':
if (strcmp (s, "UA]") == 0)
- sym->sy_tc.class = XMC_UA;
+ tc->symbol_class = XMC_UA;
else if (strcmp (s, "UC]") == 0)
- sym->sy_tc.class = XMC_UC;
+ tc->symbol_class = XMC_UC;
break;
case 'X':
if (strcmp (s, "XO]") == 0)
- sym->sy_tc.class = XMC_XO;
+ tc->symbol_class = XMC_XO;
break;
}
- if (sym->sy_tc.class == -1)
- as_bad ("Unrecognized symbol suffix");
+ if (tc->symbol_class == -1)
+ as_bad (_("Unrecognized symbol suffix"));
}
/* Set the class of a label based on where it is defined. This
follows the csect symbol. */
void
-ppc_frob_label (sym)
- symbolS *sym;
+ppc_frob_label (symbolS *sym)
{
if (ppc_current_csect != (symbolS *) NULL)
{
- if (sym->sy_tc.class == -1)
- sym->sy_tc.class = ppc_current_csect->sy_tc.class;
+ if (symbol_get_tc (sym)->symbol_class == -1)
+ symbol_get_tc (sym)->symbol_class = symbol_get_tc (ppc_current_csect)->symbol_class;
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
- symbol_append (sym, ppc_current_csect->sy_tc.within, &symbol_rootP,
- &symbol_lastP);
- ppc_current_csect->sy_tc.within = sym;
+ symbol_append (sym, symbol_get_tc (ppc_current_csect)->within,
+ &symbol_rootP, &symbol_lastP);
+ symbol_get_tc (ppc_current_csect)->within = sym;
}
+
+#ifdef OBJ_ELF
+ dwarf2_emit_label (sym);
+#endif
}
/* This variable is set by ppc_frob_symbol if any absolute symbols are
seen. It tells ppc_adjust_symtab whether it needs to look through
the symbols. */
-static boolean ppc_saw_abs;
+static bfd_boolean ppc_saw_abs;
/* Change the name of a symbol just before writing it out. Set the
real name if the .rename pseudo-op was used. Otherwise, remove any
symbol table. */
int
-ppc_frob_symbol (sym)
- symbolS *sym;
+ppc_frob_symbol (symbolS *sym)
{
static symbolS *ppc_last_function;
static symbolS *set_end;
/* Discard symbols that should not be included in the output symbol
table. */
- if (! sym->sy_used_in_reloc
- && ((sym->bsym->flags & BSF_SECTION_SYM) != 0
- || (! S_IS_EXTERNAL (sym)
- && ! sym->sy_tc.output
+ if (! symbol_used_in_reloc_p (sym)
+ && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
+ || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
+ && ! symbol_get_tc (sym)->output
&& S_GET_STORAGE_CLASS (sym) != C_FILE)))
return 1;
- if (sym->sy_tc.real_name != (char *) NULL)
- S_SET_NAME (sym, sym->sy_tc.real_name);
+ /* This one will disappear anyway. Don't make a csect sym for it. */
+ if (sym == abs_section_sym)
+ return 1;
+
+ if (symbol_get_tc (sym)->real_name != (char *) NULL)
+ S_SET_NAME (sym, symbol_get_tc (sym)->real_name);
else
{
const char *name;
if (SF_GET_FUNCTION (sym))
{
if (ppc_last_function != (symbolS *) NULL)
- as_warn ("two .function pseudo-ops with no intervening .ef");
+ as_bad (_("two .function pseudo-ops with no intervening .ef"));
ppc_last_function = sym;
- if (sym->sy_tc.size != (symbolS *) NULL)
+ if (symbol_get_tc (sym)->size != (symbolS *) NULL)
{
- resolve_symbol_value (sym->sy_tc.size);
- SA_SET_SYM_FSIZE (sym, (long) S_GET_VALUE (sym->sy_tc.size));
+ resolve_symbol_value (symbol_get_tc (sym)->size);
+ SA_SET_SYM_FSIZE (sym,
+ (long) S_GET_VALUE (symbol_get_tc (sym)->size));
}
}
else if (S_GET_STORAGE_CLASS (sym) == C_FCN
&& strcmp (S_GET_NAME (sym), ".ef") == 0)
{
if (ppc_last_function == (symbolS *) NULL)
- as_warn (".ef with no preceding .function");
+ as_bad (_(".ef with no preceding .function"));
else
{
set_end = ppc_last_function;
}
}
- if (! S_IS_EXTERNAL (sym)
- && (sym->bsym->flags & BSF_SECTION_SYM) == 0
+ if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
+ && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
&& S_GET_STORAGE_CLASS (sym) != C_FILE
&& S_GET_STORAGE_CLASS (sym) != C_FCN
&& S_GET_STORAGE_CLASS (sym) != C_BLOCK
S_SET_STORAGE_CLASS (sym, C_HIDEXT);
if (S_GET_STORAGE_CLASS (sym) == C_EXT
+ || S_GET_STORAGE_CLASS (sym) == C_AIX_WEAKEXT
|| S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
{
int i;
/* Create a csect aux. */
i = S_GET_NUMBER_AUXILIARY (sym);
S_SET_NUMBER_AUXILIARY (sym, i + 1);
- a = &coffsymbol (sym->bsym)->native[i + 1].u.auxent;
- if (sym->sy_tc.class == XMC_TC0)
+ a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent;
+ if (symbol_get_tc (sym)->symbol_class == XMC_TC0)
{
/* This is the TOC table. */
know (strcmp (S_GET_NAME (sym), "TOC") == 0);
a->x_csect.x_scnlen.l = 0;
a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
}
- else if (sym->sy_tc.subseg != 0)
+ else if (symbol_get_tc (sym)->subseg != 0)
{
/* This is a csect symbol. x_scnlen is the size of the
csect. */
- if (sym->sy_tc.next == (symbolS *) NULL)
+ if (symbol_get_tc (sym)->next == (symbolS *) NULL)
a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
S_GET_SEGMENT (sym))
- S_GET_VALUE (sym));
else
{
- resolve_symbol_value (sym->sy_tc.next);
- a->x_csect.x_scnlen.l = (S_GET_VALUE (sym->sy_tc.next)
+ resolve_symbol_value (symbol_get_tc (sym)->next);
+ a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next)
- S_GET_VALUE (sym));
}
- a->x_csect.x_smtyp = (sym->sy_tc.align << 3) | XTY_SD;
+ a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD;
}
else if (S_GET_SEGMENT (sym) == bss_section)
{
/* This is a common symbol. */
- a->x_csect.x_scnlen.l = sym->sy_frag->fr_offset;
- a->x_csect.x_smtyp = (sym->sy_tc.align << 3) | XTY_CM;
+ a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset;
+ a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM;
if (S_IS_EXTERNAL (sym))
- sym->sy_tc.class = XMC_RW;
+ symbol_get_tc (sym)->symbol_class = XMC_RW;
else
- sym->sy_tc.class = XMC_BS;
+ symbol_get_tc (sym)->symbol_class = XMC_BS;
}
else if (S_GET_SEGMENT (sym) == absolute_section)
{
/* This is an absolute symbol. The csect will be created by
- ppc_adjust_symtab. */
- ppc_saw_abs = true;
+ ppc_adjust_symtab. */
+ ppc_saw_abs = TRUE;
a->x_csect.x_smtyp = XTY_LD;
- if (sym->sy_tc.class == -1)
- sym->sy_tc.class = XMC_XO;
+ if (symbol_get_tc (sym)->symbol_class == -1)
+ symbol_get_tc (sym)->symbol_class = XMC_XO;
}
else if (! S_IS_DEFINED (sym))
{
a->x_csect.x_scnlen.l = 0;
a->x_csect.x_smtyp = XTY_ER;
}
- else if (sym->sy_tc.class == XMC_TC)
+ else if (symbol_get_tc (sym)->symbol_class == XMC_TC)
{
symbolS *next;
/* This is a TOC definition. x_scnlen is the size of the
TOC entry. */
next = symbol_next (sym);
- while (next->sy_tc.class == XMC_TC0)
+ while (symbol_get_tc (next)->symbol_class == XMC_TC0)
next = symbol_next (next);
if (next == (symbolS *) NULL
- || next->sy_tc.class != XMC_TC)
+ || symbol_get_tc (next)->symbol_class != XMC_TC)
{
if (ppc_after_toc_frag == (fragS *) NULL)
a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
abort ();
/* Skip the initial dummy symbol. */
- csect = csect->sy_tc.next;
+ csect = symbol_get_tc (csect)->next;
if (csect == (symbolS *) NULL)
{
- as_warn ("warning: symbol %s has no csect", S_GET_NAME (sym));
+ as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym));
a->x_csect.x_scnlen.l = 0;
}
else
{
- while (csect->sy_tc.next != (symbolS *) NULL)
+ while (symbol_get_tc (csect)->next != (symbolS *) NULL)
{
- resolve_symbol_value (csect->sy_tc.next);
- if (S_GET_VALUE (csect->sy_tc.next) > S_GET_VALUE (sym))
+ resolve_symbol_value (symbol_get_tc (csect)->next);
+ if (S_GET_VALUE (symbol_get_tc (csect)->next)
+ > S_GET_VALUE (sym))
break;
- csect = csect->sy_tc.next;
+ csect = symbol_get_tc (csect)->next;
}
- a->x_csect.x_scnlen.p = coffsymbol (csect->bsym)->native;
- coffsymbol (sym->bsym)->native[i + 1].fix_scnlen = 1;
+ a->x_csect.x_scnlen.p =
+ coffsymbol (symbol_get_bfdsym (csect))->native;
+ coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen =
+ 1;
}
a->x_csect.x_smtyp = XTY_LD;
}
-
+
a->x_csect.x_parmhash = 0;
a->x_csect.x_snhash = 0;
- if (sym->sy_tc.class == -1)
+ if (symbol_get_tc (sym)->symbol_class == -1)
a->x_csect.x_smclas = XMC_PR;
else
- a->x_csect.x_smclas = sym->sy_tc.class;
+ a->x_csect.x_smclas = symbol_get_tc (sym)->symbol_class;
a->x_csect.x_stab = 0;
a->x_csect.x_snstab = 0;
/* Don't let the COFF backend resort these symbols. */
- sym->bsym->flags |= BSF_NOT_AT_END;
+ symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END;
}
else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT)
{
/* We want the value to be the symbol index of the referenced
csect symbol. BFD will do that for us if we set the right
flags. */
- S_SET_VALUE (sym,
- (valueT) coffsymbol (sym->sy_tc.within->bsym)->native);
- coffsymbol (sym->bsym)->native->fix_value = 1;
+ asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within);
+ combined_entry_type *c = coffsymbol (bsym)->native;
+
+ S_SET_VALUE (sym, (valueT) (size_t) c);
+ coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1;
}
else if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
{
symbolS *csect;
/* The value is the offset from the enclosing csect. */
- block = sym->sy_tc.within;
- csect = block->sy_tc.within;
+ block = symbol_get_tc (sym)->within;
+ csect = symbol_get_tc (block)->within;
resolve_symbol_value (csect);
S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect));
}
|| S_GET_STORAGE_CLASS (sym) == C_EINCL)
{
/* We want the value to be a file offset into the line numbers.
- BFD will do that for us if we set the right flags. We have
- already set the value correctly. */
- coffsymbol (sym->bsym)->native->fix_line = 1;
+ BFD will do that for us if we set the right flags. We have
+ already set the value correctly. */
+ coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1;
}
return 0;
absolute symbols. */
void
-ppc_adjust_symtab ()
+ppc_adjust_symtab (void)
{
symbolS *sym;
csect = symbol_create (".abs[XO]", absolute_section,
S_GET_VALUE (sym), &zero_address_frag);
- csect->bsym->value = S_GET_VALUE (sym);
+ symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym);
S_SET_STORAGE_CLASS (csect, C_HIDEXT);
i = S_GET_NUMBER_AUXILIARY (csect);
S_SET_NUMBER_AUXILIARY (csect, i + 1);
- a = &coffsymbol (csect->bsym)->native[i + 1].u.auxent;
+ a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent;
a->x_csect.x_scnlen.l = 0;
a->x_csect.x_smtyp = XTY_SD;
a->x_csect.x_parmhash = 0;
symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP);
i = S_GET_NUMBER_AUXILIARY (sym);
- a = &coffsymbol (sym->bsym)->native[i].u.auxent;
- a->x_csect.x_scnlen.p = coffsymbol (csect->bsym)->native;
- coffsymbol (sym->bsym)->native[i].fix_scnlen = 1;
+ a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent;
+ a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native;
+ coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1;
}
- ppc_saw_abs = false;
+ ppc_saw_abs = FALSE;
}
/* Set the VMA for a section. This is called on all the sections in
turn. */
void
-ppc_frob_section (sec)
- asection *sec;
+ppc_frob_section (asection *sec)
{
- static bfd_size_type vma = 0;
+ static bfd_vma vma = 0;
+ vma = md_section_align (sec, vma);
bfd_set_section_vma (stdoutput, sec, vma);
vma += bfd_section_size (stdoutput, sec);
}
#endif /* OBJ_XCOFF */
\f
-/* Turn a string in input_line_pointer into a floating point constant
- of type type, and store the appropriate bytes in *litp. The number
- of LITTLENUMS emitted is stored in *sizep . An error message is
- returned, or NULL on OK. */
-
char *
-md_atof (type, litp, sizep)
- int type;
- char *litp;
- int *sizep;
+md_atof (int type, char *litp, int *sizep)
{
- int prec;
- LITTLENUM_TYPE words[4];
- char *t;
- int i;
-
- switch (type)
- {
- case 'f':
- prec = 2;
- break;
-
- case 'd':
- prec = 4;
- break;
-
- default:
- *sizep = 0;
- return "bad call to md_atof";
- }
-
- t = atof_ieee (input_line_pointer, type, words);
- if (t)
- input_line_pointer = t;
-
- *sizep = prec * 2;
-
- if (target_big_endian)
- {
- for (i = 0; i < prec; i++)
- {
- md_number_to_chars (litp, (valueT) words[i], 2);
- litp += 2;
- }
- }
- else
- {
- for (i = prec - 1; i >= 0; i--)
- {
- md_number_to_chars (litp, (valueT) words[i], 2);
- litp += 2;
- }
- }
-
- return NULL;
+ return ieee_md_atof (type, litp, sizep, target_big_endian);
}
/* Write a value out to the object file, using the appropriate
endianness. */
void
-md_number_to_chars (buf, val, n)
- char *buf;
- valueT val;
- int n;
+md_number_to_chars (char *buf, valueT val, int n)
{
if (target_big_endian)
number_to_chars_bigendian (buf, val, n);
/* Align a section (I don't know why this is machine dependent). */
valueT
-md_section_align (seg, addr)
- asection *seg;
- valueT addr;
+md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr)
{
+#ifdef OBJ_ELF
+ return addr;
+#else
int align = bfd_get_section_alignment (stdoutput, seg);
return ((addr + (1 << align) - 1) & (-1 << align));
+#endif
}
/* We don't have any form of relaxing. */
int
-md_estimate_size_before_relax (fragp, seg)
- fragS *fragp;
- asection *seg;
+md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED,
+ asection *seg ATTRIBUTE_UNUSED)
{
abort ();
return 0;
/* Convert a machine dependent frag. We never generate these. */
void
-md_convert_frag (abfd, sec, fragp)
- bfd *abfd;
- asection *sec;
- fragS *fragp;
+md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec ATTRIBUTE_UNUSED,
+ fragS *fragp ATTRIBUTE_UNUSED)
{
abort ();
}
/* We have no need to default values of symbols. */
-/*ARGSUSED*/
symbolS *
-md_undefined_symbol (name)
- char *name;
+md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
{
return 0;
}
given a PC relative reloc. */
long
-md_pcrel_from_section (fixp, sec)
- fixS *fixp;
- segT sec;
+md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED)
{
-#ifdef OBJ_ELF
- if (fixp->fx_addsy != (symbolS *) NULL
- && (! S_IS_DEFINED (fixp->fx_addsy)
- || TC_FORCE_RELOCATION_SECTION (fixp, sec)))
- return 0;
-#endif
-
return fixp->fx_frag->fr_address + fixp->fx_where;
}
corresponding .tc symbol. */
int
-ppc_fix_adjustable (fix)
- fixS *fix;
+ppc_fix_adjustable (fixS *fix)
{
- valueT val;
+ valueT val = resolve_symbol_value (fix->fx_addsy);
+ segT symseg = S_GET_SEGMENT (fix->fx_addsy);
+ TC_SYMFIELD_TYPE *tc;
+
+ if (symseg == absolute_section)
+ return 0;
- resolve_symbol_value (fix->fx_addsy);
- val = S_GET_VALUE (fix->fx_addsy);
if (ppc_toc_csect != (symbolS *) NULL
- && fix->fx_addsy != (symbolS *) NULL
&& fix->fx_addsy != ppc_toc_csect
- && S_GET_SEGMENT (fix->fx_addsy) == data_section
+ && symseg == data_section
&& val >= ppc_toc_frag->fr_address
&& (ppc_after_toc_frag == (fragS *) NULL
|| val < ppc_after_toc_frag->fr_address))
sy != (symbolS *) NULL;
sy = symbol_next (sy))
{
- if (sy->sy_tc.class == XMC_TC0)
+ TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy);
+
+ if (sy_tc->symbol_class == XMC_TC0)
continue;
- if (sy->sy_tc.class != XMC_TC)
+ if (sy_tc->symbol_class != XMC_TC)
break;
- resolve_symbol_value (sy);
- if (val == S_GET_VALUE (sy))
+ if (val == resolve_symbol_value (sy))
{
fix->fx_addsy = sy;
fix->fx_addnumber = val - ppc_toc_frag->fr_address;
}
as_bad_where (fix->fx_file, fix->fx_line,
- "symbol in .toc does not match any .tc");
+ _("symbol in .toc does not match any .tc"));
}
/* Possibly adjust the reloc to be against the csect. */
- if (fix->fx_addsy != (symbolS *) NULL
- && fix->fx_addsy->sy_tc.subseg == 0
- && fix->fx_addsy->sy_tc.class != XMC_TC0
- && fix->fx_addsy->sy_tc.class != XMC_TC
- && S_GET_SEGMENT (fix->fx_addsy) != bss_section)
+ tc = symbol_get_tc (fix->fx_addsy);
+ if (tc->subseg == 0
+ && tc->symbol_class != XMC_TC0
+ && tc->symbol_class != XMC_TC
+ && symseg != bss_section
+ /* Don't adjust if this is a reloc in the toc section. */
+ && (symseg != data_section
+ || ppc_toc_csect == NULL
+ || val < ppc_toc_frag->fr_address
+ || (ppc_after_toc_frag != NULL
+ && val >= ppc_after_toc_frag->fr_address)))
{
symbolS *csect;
+ symbolS *next_csect;
- if (S_GET_SEGMENT (fix->fx_addsy) == text_section)
+ if (symseg == text_section)
csect = ppc_text_csects;
- else if (S_GET_SEGMENT (fix->fx_addsy) == data_section)
+ else if (symseg == data_section)
csect = ppc_data_csects;
else
abort ();
/* Skip the initial dummy symbol. */
- csect = csect->sy_tc.next;
+ csect = symbol_get_tc (csect)->next;
if (csect != (symbolS *) NULL)
{
- while (csect->sy_tc.next != (symbolS *) NULL
- && (csect->sy_tc.next->sy_frag->fr_address
- <= fix->fx_addsy->sy_frag->fr_address))
- csect = csect->sy_tc.next;
+ while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL
+ && (symbol_get_frag (next_csect)->fr_address <= val))
+ {
+ /* If the csect address equals the symbol value, then we
+ have to look through the full symbol table to see
+ whether this is the csect we want. Note that we will
+ only get here if the csect has zero length. */
+ if (symbol_get_frag (csect)->fr_address == val
+ && S_GET_VALUE (csect) == val)
+ {
+ symbolS *scan;
+
+ for (scan = symbol_next (csect);
+ scan != NULL;
+ scan = symbol_next (scan))
+ {
+ if (symbol_get_tc (scan)->subseg != 0)
+ break;
+ if (scan == fix->fx_addsy)
+ break;
+ }
+
+ /* If we found the symbol before the next csect
+ symbol, then this is the csect we want. */
+ if (scan == fix->fx_addsy)
+ break;
+ }
+
+ csect = next_csect;
+ }
- fix->fx_offset += (S_GET_VALUE (fix->fx_addsy)
- - csect->sy_frag->fr_address);
+ fix->fx_offset += val - symbol_get_frag (csect)->fr_address;
fix->fx_addsy = csect;
}
+ return 0;
}
/* Adjust a reloc against a .lcomm symbol to be against the base
.lcomm. */
- if (fix->fx_addsy != (symbolS *) NULL
- && S_GET_SEGMENT (fix->fx_addsy) == bss_section
+ if (symseg == bss_section
&& ! S_IS_EXTERNAL (fix->fx_addsy))
{
- resolve_symbol_value (fix->fx_addsy->sy_frag->fr_symbol);
- fix->fx_offset += (S_GET_VALUE (fix->fx_addsy)
- - S_GET_VALUE (fix->fx_addsy->sy_frag->fr_symbol));
- fix->fx_addsy = fix->fx_addsy->sy_frag->fr_symbol;
+ symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol;
+
+ fix->fx_offset += val - resolve_symbol_value (sy);
+ fix->fx_addsy = sy;
}
return 0;
}
-#endif
+/* A reloc from one csect to another must be kept. The assembler
+ will, of course, keep relocs between sections, and it will keep
+ absolute relocs, but we need to force it to keep PC relative relocs
+ between two csects in the same section. */
-/* See whether a symbol is in the TOC section. */
+int
+ppc_force_relocation (fixS *fix)
+{
+ /* At this point fix->fx_addsy should already have been converted to
+ a csect symbol. If the csect does not include the fragment, then
+ we need to force the relocation. */
+ if (fix->fx_pcrel
+ && fix->fx_addsy != NULL
+ && symbol_get_tc (fix->fx_addsy)->subseg != 0
+ && ((symbol_get_frag (fix->fx_addsy)->fr_address
+ > fix->fx_frag->fr_address)
+ || (symbol_get_tc (fix->fx_addsy)->next != NULL
+ && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address
+ <= fix->fx_frag->fr_address))))
+ return 1;
-static int
-ppc_is_toc_sym (sym)
- symbolS *sym;
+ return generic_force_reloc (fix);
+}
+
+#endif /* OBJ_XCOFF */
+
+#ifdef OBJ_ELF
+/* If this function returns non-zero, it guarantees that a relocation
+ will be emitted for a fixup. */
+
+int
+ppc_force_relocation (fixS *fix)
{
-#ifdef OBJ_XCOFF
- return sym->sy_tc.class == XMC_TC;
-#else
- return strcmp (segment_name (S_GET_SEGMENT (sym)), ".got") == 0;
+ /* Branch prediction relocations must force a relocation, as must
+ the vtable description relocs. */
+ switch (fix->fx_r_type)
+ {
+ case BFD_RELOC_PPC_B16_BRTAKEN:
+ case BFD_RELOC_PPC_B16_BRNTAKEN:
+ case BFD_RELOC_PPC_BA16_BRTAKEN:
+ case BFD_RELOC_PPC_BA16_BRNTAKEN:
+ case BFD_RELOC_24_PLT_PCREL:
+ case BFD_RELOC_PPC64_TOC:
+ return 1;
+ default:
+ break;
+ }
+
+ if (fix->fx_r_type >= BFD_RELOC_PPC_TLS
+ && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)
+ return 1;
+
+ return generic_force_reloc (fix);
+}
+
+int
+ppc_fix_adjustable (fixS *fix)
+{
+ return (fix->fx_r_type != BFD_RELOC_16_GOTOFF
+ && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF
+ && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF
+ && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
+ && fix->fx_r_type != BFD_RELOC_GPREL16
+ && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT
+ && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY
+ && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS
+ && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA));
+}
#endif
+
+/* Implement HANDLE_ALIGN. This writes the NOP pattern into an
+ rs_align_code frag. */
+
+void
+ppc_handle_align (struct frag *fragP)
+{
+ valueT count = (fragP->fr_next->fr_address
+ - (fragP->fr_address + fragP->fr_fix));
+
+ if (count != 0 && (count & 3) == 0)
+ {
+ char *dest = fragP->fr_literal + fragP->fr_fix;
+
+ fragP->fr_var = 4;
+ md_number_to_chars (dest, 0x60000000, 4);
+
+ if ((ppc_cpu & PPC_OPCODE_POWER6) != 0
+ || (ppc_cpu & PPC_OPCODE_POWER7) != 0)
+ {
+ /* For power6 and power7, we want the last nop to be a group
+ terminating one. Do this by inserting an rs_fill frag immediately
+ after this one, with its address set to the last nop location.
+ This will automatically reduce the number of nops in the current
+ frag by one. */
+ if (count > 4)
+ {
+ struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4);
+
+ memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG);
+ group_nop->fr_address = group_nop->fr_next->fr_address - 4;
+ group_nop->fr_fix = 0;
+ group_nop->fr_offset = 1;
+ group_nop->fr_type = rs_fill;
+ fragP->fr_next = group_nop;
+ dest = group_nop->fr_literal;
+ }
+
+ if ((ppc_cpu & PPC_OPCODE_POWER7) != 0)
+ /* power7 group terminating nop: "ori 2,2,0". */
+ md_number_to_chars (dest, 0x60420000, 4);
+ else
+ /* power6 group terminating nop: "ori 1,1,0". */
+ md_number_to_chars (dest, 0x60210000, 4);
+ }
+ }
}
/* Apply a fixup to the object code. This is called for all the
that, we determine the correct reloc code and put it back in the
fixup. */
-int
-md_apply_fix3 (fixp, valuep, seg)
- fixS *fixp;
- valueT *valuep;
- segT seg;
+void
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
- valueT value;
-
- /* FIXME FIXME FIXME: The value we are passed in *valuep includes
- the symbol values. Since we are using BFD_ASSEMBLER, if we are
- doing this relocation the code in write.c is going to call
- bfd_perform_relocation, which is also going to use the symbol
- value. That means that if the reloc is fully resolved we want to
- use *valuep since bfd_perform_relocation is not being used.
- However, if the reloc is not fully resolved we do not want to use
- *valuep, and must use fx_offset instead. However, if the reloc
- is PC relative, we do want to use *valuep since it includes the
- result of md_pcrel_from. This is confusing. */
-
- if (fixp->fx_addsy == (symbolS *) NULL)
+ valueT value = * valP;
+
+#ifdef OBJ_ELF
+ if (fixP->fx_addsy != NULL)
{
- value = *valuep;
- fixp->fx_done = 1;
+ /* Hack around bfd_install_relocation brain damage. */
+ if (fixP->fx_pcrel)
+ value += fixP->fx_frag->fr_address + fixP->fx_where;
}
- else if (fixp->fx_pcrel)
- value = *valuep;
+ else
+ fixP->fx_done = 1;
+#else
+ /* FIXME FIXME FIXME: The value we are passed in *valP includes
+ the symbol values. If we are doing this relocation the code in
+ write.c is going to call bfd_install_relocation, which is also
+ going to use the symbol value. That means that if the reloc is
+ fully resolved we want to use *valP since bfd_install_relocation is
+ not being used.
+ However, if the reloc is not fully resolved we do not want to
+ use *valP, and must use fx_offset instead. If the relocation
+ is PC-relative, we then need to re-apply md_pcrel_from_section
+ to this new relocation value. */
+ if (fixP->fx_addsy == (symbolS *) NULL)
+ fixP->fx_done = 1;
+
else
{
- value = fixp->fx_offset;
- if (fixp->fx_subsy != (symbolS *) NULL)
- {
- if (S_GET_SEGMENT (fixp->fx_subsy) == absolute_section)
- value -= S_GET_VALUE (fixp->fx_subsy);
- else
- {
- /* We can't actually support subtracting a symbol. */
- as_bad_where (fixp->fx_file, fixp->fx_line,
- "expression too complex");
- }
- }
+ value = fixP->fx_offset;
+ if (fixP->fx_pcrel)
+ value -= md_pcrel_from_section (fixP, seg);
+ }
+#endif
+
+ if (fixP->fx_subsy != (symbolS *) NULL)
+ {
+ /* We can't actually support subtracting a symbol. */
+ as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
}
- if ((int) fixp->fx_r_type >= (int) BFD_RELOC_UNUSED)
+ if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
{
int opindex;
const struct powerpc_operand *operand;
char *where;
unsigned long insn;
- opindex = (int) fixp->fx_r_type - (int) BFD_RELOC_UNUSED;
+ opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
operand = &powerpc_operands[opindex];
#ifdef OBJ_XCOFF
- /* It appears that an instruction like
- l 9,LC..1(30)
- when LC..1 is not a TOC symbol does not generate a reloc. It
- uses the offset of LC..1 within its csect. However, .long
- LC..1 will generate a reloc. I can't find any documentation
- on how these cases are to be distinguished, so this is a wild
- guess. These cases are generated by gcc -mminimal-toc. */
+ /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
+ does not generate a reloc. It uses the offset of `sym' within its
+ csect. Other usages, such as `.long sym', generate relocs. This
+ is the documented behaviour of non-TOC symbols. */
if ((operand->flags & PPC_OPERAND_PARENS) != 0
- && operand->bits == 16
+ && (operand->bitm & 0xfff0) == 0xfff0
&& operand->shift == 0
- && operand->insert == NULL
- && fixp->fx_addsy != NULL
- && fixp->fx_addsy->sy_tc.subseg != 0
- && fixp->fx_addsy->sy_tc.class != XMC_TC
- && fixp->fx_addsy->sy_tc.class != XMC_TC0
- && S_GET_SEGMENT (fixp->fx_addsy) != bss_section)
+ && (operand->insert == NULL || ppc_obj64)
+ && fixP->fx_addsy != NULL
+ && symbol_get_tc (fixP->fx_addsy)->subseg != 0
+ && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC
+ && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC0
+ && S_GET_SEGMENT (fixP->fx_addsy) != bss_section)
{
- value = fixp->fx_offset;
- fixp->fx_done = 1;
+ value = fixP->fx_offset;
+ fixP->fx_done = 1;
}
#endif
/* Fetch the instruction, insert the fully resolved operand
value, and stuff the instruction back again. */
- where = fixp->fx_frag->fr_literal + fixp->fx_where;
+ where = fixP->fx_frag->fr_literal + fixP->fx_where;
if (target_big_endian)
insn = bfd_getb32 ((unsigned char *) where);
else
insn = bfd_getl32 ((unsigned char *) where);
insn = ppc_insert_operand (insn, operand, (offsetT) value,
- fixp->fx_file, fixp->fx_line);
+ fixP->tc_fix_data.ppc_cpu,
+ fixP->fx_file, fixP->fx_line);
if (target_big_endian)
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
else
bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
- if (fixp->fx_done)
- {
- /* Nothing else to do here. */
- return 1;
- }
+ if (fixP->fx_done)
+ /* Nothing else to do here. */
+ return;
+
+ gas_assert (fixP->fx_addsy != NULL);
/* Determine a BFD reloc value based on the operand information.
We are only prepared to turn a few of the operands into
- relocs.
- FIXME: We need to handle the DS field at the very least.
- FIXME: Selecting the reloc type is a bit haphazard; perhaps
- there should be a new field in the operand table. */
+ relocs. */
if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bits == 26
+ && operand->bitm == 0x3fffffc
&& operand->shift == 0)
- fixp->fx_r_type = BFD_RELOC_PPC_B26;
+ fixP->fx_r_type = BFD_RELOC_PPC_B26;
else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bits == 16
+ && operand->bitm == 0xfffc
&& operand->shift == 0)
- fixp->fx_r_type = BFD_RELOC_PPC_B16;
+ {
+ fixP->fx_r_type = BFD_RELOC_PPC_B16;
+#ifdef OBJ_XCOFF
+ fixP->fx_size = 2;
+ if (target_big_endian)
+ fixP->fx_where += 2;
+#endif
+ }
else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
- && operand->bits == 26
+ && operand->bitm == 0x3fffffc
&& operand->shift == 0)
- fixp->fx_r_type = BFD_RELOC_PPC_BA26;
+ fixP->fx_r_type = BFD_RELOC_PPC_BA26;
else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
- && operand->bits == 16
+ && operand->bitm == 0xfffc
&& operand->shift == 0)
- fixp->fx_r_type = BFD_RELOC_PPC_BA16;
+ {
+ fixP->fx_r_type = BFD_RELOC_PPC_BA16;
+#ifdef OBJ_XCOFF
+ fixP->fx_size = 2;
+ if (target_big_endian)
+ fixP->fx_where += 2;
+#endif
+ }
+#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
else if ((operand->flags & PPC_OPERAND_PARENS) != 0
- && operand->bits == 16
- && operand->shift == 0
- && operand->insert == NULL
- && fixp->fx_addsy != NULL
- && ppc_is_toc_sym (fixp->fx_addsy))
+ && (operand->bitm & 0xfff0) == 0xfff0
+ && operand->shift == 0)
{
- fixp->fx_size = 2;
+ if (ppc_is_toc_sym (fixP->fx_addsy))
+ {
+ fixP->fx_r_type = BFD_RELOC_PPC_TOC16;
+#ifdef OBJ_ELF
+ if (ppc_obj64
+ && (operand->flags & PPC_OPERAND_DS) != 0)
+ fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS;
+#endif
+ }
+ else
+ {
+ fixP->fx_r_type = BFD_RELOC_16;
+#ifdef OBJ_ELF
+ if (ppc_obj64
+ && (operand->flags & PPC_OPERAND_DS) != 0)
+ fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS;
+#endif
+ }
+ fixP->fx_size = 2;
if (target_big_endian)
- fixp->fx_where += 2;
- fixp->fx_r_type = BFD_RELOC_PPC_TOC16;
+ fixP->fx_where += 2;
}
+#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
else
{
- as_bad_where (fixp->fx_file, fixp->fx_line,
- "unresolved expression that must be resolved");
- fixp->fx_done = 1;
- return 1;
+ char *sfile;
+ unsigned int sline;
+
+ /* Use expr_symbol_where to see if this is an expression
+ symbol. */
+ if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("unresolved expression that must be resolved"));
+ else
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("unsupported relocation against %s"),
+ S_GET_NAME (fixP->fx_addsy));
+ fixP->fx_done = 1;
+ return;
}
}
else
{
#ifdef OBJ_ELF
- ppc_elf_validate_fix (fixp, seg);
+ ppc_elf_validate_fix (fixP, seg);
#endif
- switch (fixp->fx_r_type)
+ switch (fixP->fx_r_type)
{
- case BFD_RELOC_32:
case BFD_RELOC_CTOR:
- if (fixp->fx_pcrel)
- fixp->fx_r_type = BFD_RELOC_32_PCREL;
- /* fall through */
+ if (ppc_obj64)
+ goto ctor64;
+ /* fall through */
+
+ case BFD_RELOC_32:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_32_PCREL;
+ /* fall through */
case BFD_RELOC_RVA:
case BFD_RELOC_32_PCREL:
- case BFD_RELOC_32_BASEREL:
case BFD_RELOC_PPC_EMB_NADDR32:
- md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where,
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
value, 4);
break;
- case BFD_RELOC_LO16:
- case BFD_RELOC_HI16:
- case BFD_RELOC_HI16_S:
- case BFD_RELOC_16:
+ case BFD_RELOC_64:
+ ctor64:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_64_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_64_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 8);
+ break;
+
case BFD_RELOC_GPREL16:
case BFD_RELOC_16_GOT_PCREL:
case BFD_RELOC_16_GOTOFF:
case BFD_RELOC_LO16_GOTOFF:
case BFD_RELOC_HI16_GOTOFF:
case BFD_RELOC_HI16_S_GOTOFF:
+ case BFD_RELOC_16_BASEREL:
case BFD_RELOC_LO16_BASEREL:
case BFD_RELOC_HI16_BASEREL:
case BFD_RELOC_HI16_S_BASEREL:
case BFD_RELOC_PPC_EMB_RELST_HA:
case BFD_RELOC_PPC_EMB_RELSDA:
case BFD_RELOC_PPC_TOC16:
- if (fixp->fx_pcrel)
- abort ();
+#ifdef OBJ_ELF
+ case BFD_RELOC_PPC64_TOC16_LO:
+ case BFD_RELOC_PPC64_TOC16_HI:
+ case BFD_RELOC_PPC64_TOC16_HA:
+#endif
+ if (fixP->fx_pcrel)
+ {
+ if (fixP->fx_addsy != NULL)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("cannot emit PC relative %s relocation against %s"),
+ bfd_get_reloc_code_name (fixP->fx_r_type),
+ S_GET_NAME (fixP->fx_addsy));
+ else
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("cannot emit PC relative %s relocation"),
+ bfd_get_reloc_code_name (fixP->fx_r_type));
+ }
- md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where,
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
value, 2);
break;
+ case BFD_RELOC_16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 2);
+ break;
+
+ case BFD_RELOC_LO16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_LO16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_LO16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 2);
+ break;
+
+ /* This case happens when you write, for example,
+ lis %r3,(L1-L2)@ha
+ where L1 and L2 are defined later. */
+ case BFD_RELOC_HI16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_HI16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_HI16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HI (value), 2);
+ break;
+
+ case BFD_RELOC_HI16_S:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_HI16_S_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HA (value), 2);
+ break;
+
+#ifdef OBJ_XCOFF
+ case BFD_RELOC_NONE:
+ break;
+#endif
+
+#ifdef OBJ_ELF
+ case BFD_RELOC_PPC64_HIGHER:
+ if (fixP->fx_pcrel)
+ abort ();
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHER (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHER_S:
+ if (fixP->fx_pcrel)
+ abort ();
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHERA (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHEST:
+ if (fixP->fx_pcrel)
+ abort ();
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHEST (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHEST_S:
+ if (fixP->fx_pcrel)
+ abort ();
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHESTA (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_ADDR16_DS:
+ case BFD_RELOC_PPC64_ADDR16_LO_DS:
+ case BFD_RELOC_PPC64_GOT16_DS:
+ case BFD_RELOC_PPC64_GOT16_LO_DS:
+ case BFD_RELOC_PPC64_PLT16_LO_DS:
+ case BFD_RELOC_PPC64_SECTOFF_DS:
+ case BFD_RELOC_PPC64_SECTOFF_LO_DS:
+ case BFD_RELOC_PPC64_TOC16_DS:
+ case BFD_RELOC_PPC64_TOC16_LO_DS:
+ case BFD_RELOC_PPC64_PLTGOT16_DS:
+ case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
+ if (fixP->fx_pcrel)
+ abort ();
+ {
+ char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
+ unsigned long val, mask;
+
+ if (target_big_endian)
+ val = bfd_getb32 (where - 2);
+ else
+ val = bfd_getl32 (where);
+ mask = 0xfffc;
+ /* lq insns reserve the four lsbs. */
+ if ((ppc_cpu & PPC_OPCODE_POWER4) != 0
+ && (val & (0x3f << 26)) == (56u << 26))
+ mask = 0xfff0;
+ val |= value & mask;
+ if (target_big_endian)
+ bfd_putb16 ((bfd_vma) val, where);
+ else
+ bfd_putl16 ((bfd_vma) val, where);
+ }
+ break;
+
+ case BFD_RELOC_PPC_B16_BRTAKEN:
+ case BFD_RELOC_PPC_B16_BRNTAKEN:
+ case BFD_RELOC_PPC_BA16_BRTAKEN:
+ case BFD_RELOC_PPC_BA16_BRNTAKEN:
+ break;
+
+ case BFD_RELOC_PPC_TLS:
+ case BFD_RELOC_PPC_TLSGD:
+ case BFD_RELOC_PPC_TLSLD:
+ break;
+
+ case BFD_RELOC_PPC_DTPMOD:
+ case BFD_RELOC_PPC_TPREL16:
+ case BFD_RELOC_PPC_TPREL16_LO:
+ case BFD_RELOC_PPC_TPREL16_HI:
+ case BFD_RELOC_PPC_TPREL16_HA:
+ case BFD_RELOC_PPC_TPREL:
+ case BFD_RELOC_PPC_DTPREL16:
+ case BFD_RELOC_PPC_DTPREL16_LO:
+ case BFD_RELOC_PPC_DTPREL16_HI:
+ case BFD_RELOC_PPC_DTPREL16_HA:
+ case BFD_RELOC_PPC_DTPREL:
+ case BFD_RELOC_PPC_GOT_TLSGD16:
+ case BFD_RELOC_PPC_GOT_TLSGD16_LO:
+ case BFD_RELOC_PPC_GOT_TLSGD16_HI:
+ case BFD_RELOC_PPC_GOT_TLSGD16_HA:
+ case BFD_RELOC_PPC_GOT_TLSLD16:
+ case BFD_RELOC_PPC_GOT_TLSLD16_LO:
+ case BFD_RELOC_PPC_GOT_TLSLD16_HI:
+ case BFD_RELOC_PPC_GOT_TLSLD16_HA:
+ case BFD_RELOC_PPC_GOT_TPREL16:
+ case BFD_RELOC_PPC_GOT_TPREL16_LO:
+ case BFD_RELOC_PPC_GOT_TPREL16_HI:
+ case BFD_RELOC_PPC_GOT_TPREL16_HA:
+ case BFD_RELOC_PPC_GOT_DTPREL16:
+ case BFD_RELOC_PPC_GOT_DTPREL16_LO:
+ case BFD_RELOC_PPC_GOT_DTPREL16_HI:
+ case BFD_RELOC_PPC_GOT_DTPREL16_HA:
+ case BFD_RELOC_PPC64_TPREL16_DS:
+ case BFD_RELOC_PPC64_TPREL16_LO_DS:
+ case BFD_RELOC_PPC64_TPREL16_HIGHER:
+ case BFD_RELOC_PPC64_TPREL16_HIGHERA:
+ case BFD_RELOC_PPC64_TPREL16_HIGHEST:
+ case BFD_RELOC_PPC64_TPREL16_HIGHESTA:
+ case BFD_RELOC_PPC64_DTPREL16_DS:
+ case BFD_RELOC_PPC64_DTPREL16_LO_DS:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHER:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
+ S_SET_THREAD_LOCAL (fixP->fx_addsy);
+ break;
+#endif
/* Because SDA21 modifies the register field, the size is set to 4
- bytes, rather than 2, so offset it here appropriately */
+ bytes, rather than 2, so offset it here appropriately. */
case BFD_RELOC_PPC_EMB_SDA21:
- if (fixp->fx_pcrel)
+ if (fixP->fx_pcrel)
abort ();
- md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where
+ ((target_big_endian) ? 2 : 0),
value, 2);
break;
case BFD_RELOC_8:
- if (fixp->fx_pcrel)
+ if (fixP->fx_pcrel)
+ {
+ /* This can occur if there is a bug in the input assembler, eg:
+ ".byte <undefined_symbol> - ." */
+ if (fixP->fx_addsy)
+ as_bad (_("Unable to handle reference to symbol %s"),
+ S_GET_NAME (fixP->fx_addsy));
+ else
+ as_bad (_("Unable to resolve expression"));
+ fixP->fx_done = 1;
+ }
+ else
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 1);
+ break;
+
+ case BFD_RELOC_24_PLT_PCREL:
+ case BFD_RELOC_PPC_LOCAL24PC:
+ if (!fixP->fx_pcrel && !fixP->fx_done)
abort ();
- md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where,
- value, 1);
+ if (fixP->fx_done)
+ {
+ char *where;
+ unsigned long insn;
+
+ /* Fetch the instruction, insert the fully resolved operand
+ value, and stuff the instruction back again. */
+ where = fixP->fx_frag->fr_literal + fixP->fx_where;
+ if (target_big_endian)
+ insn = bfd_getb32 ((unsigned char *) where);
+ else
+ insn = bfd_getl32 ((unsigned char *) where);
+ if ((value & 3) != 0)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("must branch to an address a multiple of 4"));
+ if ((offsetT) value < -0x40000000
+ || (offsetT) value >= 0x40000000)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("@local or @plt branch destination is too far away, %ld bytes"),
+ (long) value);
+ insn = insn | (value & 0x03fffffc);
+ if (target_big_endian)
+ bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
+ else
+ bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
+ }
+ break;
+
+ case BFD_RELOC_VTABLE_INHERIT:
+ fixP->fx_done = 0;
+ if (fixP->fx_addsy
+ && !S_IS_DEFINED (fixP->fx_addsy)
+ && !S_IS_WEAK (fixP->fx_addsy))
+ S_SET_WEAK (fixP->fx_addsy);
+ break;
+
+ case BFD_RELOC_VTABLE_ENTRY:
+ fixP->fx_done = 0;
break;
+#ifdef OBJ_ELF
+ /* Generated by reference to `sym@tocbase'. The sym is
+ ignored by the linker. */
+ case BFD_RELOC_PPC64_TOC:
+ fixP->fx_done = 0;
+ break;
+#endif
default:
- fprintf(stderr,
- "Gas failure, reloc value %d\n", fixp->fx_r_type);
- fflush(stderr);
+ fprintf (stderr,
+ _("Gas failure, reloc value %d\n"), fixP->fx_r_type);
+ fflush (stderr);
abort ();
}
}
#ifdef OBJ_ELF
- fixp->fx_addnumber = value;
+ fixP->fx_addnumber = value;
+
+ /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately
+ from the section contents. If we are going to be emitting a reloc
+ then the section contents are immaterial, so don't warn if they
+ happen to overflow. Leave such warnings to ld. */
+ if (!fixP->fx_done)
+ fixP->fx_no_overflow = 1;
#else
- if (fixp->fx_r_type != BFD_RELOC_PPC_TOC16)
- fixp->fx_addnumber = 0;
+ if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16)
+ fixP->fx_addnumber = 0;
else
{
#ifdef TE_PE
- fixp->fx_addnumber = 0;
+ fixP->fx_addnumber = 0;
#else
- /* We want to use the offset within the data segment of the
- symbol, not the actual VMA of the symbol. */
- fixp->fx_addnumber =
- - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixp->fx_addsy));
+ /* We want to use the offset within the toc, not the actual VMA
+ of the symbol. */
+ fixP->fx_addnumber =
+ - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy))
+ - S_GET_VALUE (ppc_toc_csect);
#endif
}
#endif
-
- return 1;
}
/* Generate a reloc for a fixup. */
arelent *
-tc_gen_reloc (seg, fixp)
- asection *seg;
- fixS *fixp;
+tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
{
arelent *reloc;
- reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
+ reloc = (arelent *) xmalloc (sizeof (arelent));
- reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
+ reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
if (reloc->howto == (reloc_howto_type *) NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
- "reloc %d not supported by object file format", (int)fixp->fx_r_type);
+ _("reloc %d not supported by object file format"),
+ (int) fixp->fx_r_type);
return NULL;
}
reloc->addend = fixp->fx_addnumber;
return reloc;
}
+
+void
+ppc_cfi_frame_initial_instructions (void)
+{
+ cfi_add_CFA_def_cfa (1, 0);
+}
+
+int
+tc_ppc_regname_to_dw2regnum (char *regname)
+{
+ unsigned int regnum = -1;
+ unsigned int i;
+ const char *p;
+ char *q;
+ static struct { char *name; int dw2regnum; } regnames[] =
+ {
+ { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 },
+ { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 },
+ { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
+ { "spe_acc", 111 }, { "spefscr", 112 }
+ };
+
+ for (i = 0; i < ARRAY_SIZE (regnames); ++i)
+ if (strcmp (regnames[i].name, regname) == 0)
+ return regnames[i].dw2regnum;
+
+ if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v')
+ {
+ p = regname + 1 + (regname[1] == '.');
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 32)
+ return -1;
+ if (regname[0] == 'f')
+ regnum += 32;
+ else if (regname[0] == 'v')
+ regnum += 77;
+ }
+ else if (regname[0] == 'c' && regname[1] == 'r')
+ {
+ p = regname + 2 + (regname[2] == '.');
+ if (p[0] < '0' || p[0] > '7' || p[1])
+ return -1;
+ regnum = p[0] - '0' + 68;
+ }
+ return regnum;
+}
projects / deliverable / binutils-gdb.git / blobdiff