/* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
- Copyright (C) 1994 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000
+ Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GAS, the GNU Assembler.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
#include <stdio.h>
#include <ctype.h>
#include "elf/ppc.h"
#endif
+#ifdef TE_PE
+#include "coff/pe.h"
+#endif
+
/* This is the assembler for the PowerPC or POWER (RS/6000) chips. */
-/* FIXME: This should be handled in a different way. */
+/* Tell the main code what the endianness is. */
extern int target_big_endian;
+/* Whether or not, we've set target_big_endian. */
+static int set_target_endian = 0;
+
+/* Whether to use user friendly register names. */
+#ifndef TARGET_REG_NAMES_P
+#ifdef TE_PE
+#define TARGET_REG_NAMES_P true
+#else
+#define TARGET_REG_NAMES_P false
+#endif
+#endif
+
+static boolean reg_names_p = TARGET_REG_NAMES_P;
+
+static boolean register_name PARAMS ((expressionS *));
static void ppc_set_cpu PARAMS ((void));
static unsigned long ppc_insert_operand
PARAMS ((unsigned long insn, const struct powerpc_operand *operand,
static void ppc_byte PARAMS ((int));
static int ppc_is_toc_sym PARAMS ((symbolS *sym));
static void ppc_tc PARAMS ((int));
-#ifdef OBJ_COFF
+
+#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_named_section PARAMS ((int));
static void ppc_stabx PARAMS ((int));
static void ppc_rename PARAMS ((int));
static void ppc_toc PARAMS ((int));
+static void ppc_xcoff_cons PARAMS ((int));
+static void ppc_vbyte PARAMS ((int));
#endif
+
#ifdef OBJ_ELF
-static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **));
+static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *));
static void ppc_elf_cons PARAMS ((int));
+static void ppc_elf_rdata PARAMS ((int));
+static void ppc_elf_lcomm PARAMS ((int));
static void ppc_elf_validate_fix PARAMS ((fixS *, segT));
#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));
+#endif
\f
/* Generic assembler global variables which must be defined by all
targets. */
-/* Characters which always start a comment. */
+#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[] = "#";
/* Pseudo-ops which must be overridden. */
{ "byte", ppc_byte, 0 },
-#ifdef OBJ_COFF
+#ifdef OBJ_XCOFF
/* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these
legitimately belong in the obj-*.c file. However, XCOFF is based
on COFF, and is only implemented for the RS/6000. We just use
{ "comm", ppc_comm, 0 },
{ "lcomm", ppc_comm, 1 },
{ "bb", ppc_bb, 0 },
+ { "bc", ppc_bc, 0 },
{ "bf", ppc_bf, 0 },
{ "bi", ppc_biei, 0 },
{ "bs", ppc_bs, 0 },
{ "csect", ppc_csect, 0 },
+ { "data", ppc_section, 'd' },
{ "eb", ppc_eb, 0 },
+ { "ec", ppc_ec, 0 },
{ "ef", ppc_ef, 0 },
{ "ei", ppc_biei, 1 },
{ "es", ppc_es, 0 },
{ "function", ppc_function, 0 },
{ "lglobl", ppc_lglobl, 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 },
+ { "word", ppc_xcoff_cons, 1 },
+ { "short", ppc_xcoff_cons, 1 },
+ { "vbyte", ppc_vbyte, 0 },
#endif
+
#ifdef OBJ_ELF
{ "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 */
+ { "previous", ppc_previous, 0 },
+ { "pdata", ppc_pdata, 0 },
+ { "ydata", ppc_ydata, 0 },
+ { "reldata", ppc_reldata, 0 },
+ { "rdata", ppc_rdata, 0 },
+ { "ualong", ppc_ualong, 0 },
+ { "znop", ppc_znop, 0 },
+ { "comm", ppc_pe_comm, 0 },
+ { "lcomm", ppc_pe_comm, 1 },
+ { "section", ppc_pe_section, 0 },
+ { "function", ppc_pe_function,0 },
+ { "tocd", ppc_pe_tocd, 0 },
#endif
/* This pseudo-op is used even when not generating XCOFF output. */
{ 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. */
+
+/* Structure to hold information about predefined registers. */
+struct pd_reg
+ {
+ char *name;
+ int value;
+ };
+
+/* List of registers that are pre-defined:
+
+ Each general register has predefined names of the form:
+ 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 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>.
+
+ There are individual registers as well:
+ sp or r.sp has the value 1
+ rtoc or r.toc has the value 2
+ fpscr has the value 0
+ xer has the value 1
+ lr has the value 8
+ ctr has the value 9
+ pmr has the value 0
+ dar has the value 19
+ dsisr has the value 18
+ dec has the value 22
+ sdr1 has the value 25
+ srr0 has the value 26
+ srr1 has the value 27
+
+ The table is sorted. Suitable for searching by a binary search. */
+
+static const struct pd_reg pre_defined_registers[] =
+{
+ { "cr.0", 0 }, /* Condition Registers */
+ { "cr.1", 1 },
+ { "cr.2", 2 },
+ { "cr.3", 3 },
+ { "cr.4", 4 },
+ { "cr.5", 5 },
+ { "cr.6", 6 },
+ { "cr.7", 7 },
+
+ { "cr0", 0 },
+ { "cr1", 1 },
+ { "cr2", 2 },
+ { "cr3", 3 },
+ { "cr4", 4 },
+ { "cr5", 5 },
+ { "cr6", 6 },
+ { "cr7", 7 },
+
+ { "ctr", 9 },
+
+ { "dar", 19 }, /* Data Access Register */
+ { "dec", 22 }, /* Decrementer */
+ { "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.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 },
+ { "f30", 30 },
+ { "f31", 31 },
+ { "f4", 4 },
+ { "f5", 5 },
+ { "f6", 6 },
+ { "f7", 7 },
+ { "f8", 8 },
+ { "f9", 9 },
+
+ { "fpscr", 0 },
+
+ { "lr", 8 }, /* Link Register */
+
+ { "pmr", 0 },
+
+ { "r.0", 0 }, /* General Purpose Registers */
+ { "r.1", 1 },
+ { "r.10", 10 },
+ { "r.11", 11 },
+ { "r.12", 12 },
+ { "r.13", 13 },
+ { "r.14", 14 },
+ { "r.15", 15 },
+ { "r.16", 16 },
+ { "r.17", 17 },
+ { "r.18", 18 },
+ { "r.19", 19 },
+ { "r.2", 2 },
+ { "r.20", 20 },
+ { "r.21", 21 },
+ { "r.22", 22 },
+ { "r.23", 23 },
+ { "r.24", 24 },
+ { "r.25", 25 },
+ { "r.26", 26 },
+ { "r.27", 27 },
+ { "r.28", 28 },
+ { "r.29", 29 },
+ { "r.3", 3 },
+ { "r.30", 30 },
+ { "r.31", 31 },
+ { "r.4", 4 },
+ { "r.5", 5 },
+ { "r.6", 6 },
+ { "r.7", 7 },
+ { "r.8", 8 },
+ { "r.9", 9 },
+
+ { "r.sp", 1 }, /* Stack Pointer */
+
+ { "r.toc", 2 }, /* Pointer to the table of contents */
+
+ { "r0", 0 }, /* More general purpose registers */
+ { "r1", 1 },
+ { "r10", 10 },
+ { "r11", 11 },
+ { "r12", 12 },
+ { "r13", 13 },
+ { "r14", 14 },
+ { "r15", 15 },
+ { "r16", 16 },
+ { "r17", 17 },
+ { "r18", 18 },
+ { "r19", 19 },
+ { "r2", 2 },
+ { "r20", 20 },
+ { "r21", 21 },
+ { "r22", 22 },
+ { "r23", 23 },
+ { "r24", 24 },
+ { "r25", 25 },
+ { "r26", 26 },
+ { "r27", 27 },
+ { "r28", 28 },
+ { "r29", 29 },
+ { "r3", 3 },
+ { "r30", 30 },
+ { "r31", 31 },
+ { "r4", 4 },
+ { "r5", 5 },
+ { "r6", 6 },
+ { "r7", 7 },
+ { "r8", 8 },
+ { "r9", 9 },
+
+ { "rtoc", 2 }, /* Table of contents */
+
+ { "sdr1", 25 }, /* Storage Description Register 1 */
+
+ { "sp", 1 },
+
+ { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
+ { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
+
+ { "xer", 1 },
+
+};
+
+#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 ((const struct pd_reg *, int, const char * name));
+
+static int
+reg_name_search (regs, regcount, name)
+ const struct pd_reg *regs;
+ int regcount;
+ const char *name;
+{
+ int middle, low, high;
+ int cmp;
+
+ low = 0;
+ high = regcount - 1;
+
+ do
+ {
+ middle = (low + high) / 2;
+ cmp = strcasecmp (name, regs[middle].name);
+ if (cmp < 0)
+ high = middle - 1;
+ else if (cmp > 0)
+ low = middle + 1;
+ else
+ return regs[middle].value;
+ }
+ while (low <= high);
+
+ return -1;
+}
+
+/*
+ * Summary of register_name().
+ *
+ * in: Input_line_pointer points to 1st char of operand.
+ *
+ * out: A expressionS.
+ * The operand may have been a register: in this case, X_op == O_register,
+ * X_add_number is set to the register number, and truth is returned.
+ * Input_line_pointer->(next non-blank) char after operand, or is in its
+ * original state.
+ */
+
+static boolean
+register_name (expressionP)
+ expressionS *expressionP;
+{
+ int reg_number;
+ char *name;
+ char *start;
+ char c;
+
+ /* Find the spelling of the operand */
+ start = name = input_line_pointer;
+ if (name[0] == '%' && isalpha (name[1]))
+ name = ++input_line_pointer;
+
+ else if (!reg_names_p || !isalpha (name[0]))
+ return false;
+
+ c = get_symbol_end ();
+ reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
+
+ /* 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 */
+ 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;
+ }
+}
+\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 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 (name, expr)
+ const char *name;
+ expressionS *expr;
+{
+ int val;
+
+ if (! cr_operand)
+ return 0;
+
+ val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0],
+ name);
+ if (val < 0)
+ return 0;
+
+ expr->X_op = O_constant;
+ expr->X_add_number = val;
+
+ return 1;
+}
\f
/* Local variables. */
/* 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;
+static unsigned long ppc_size = PPC_OPCODE_32;
/* 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, SHILB_MRELOCATABLE } shlib = SHLIB_NONE;
+
+/* 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
-#ifdef OBJ_COFF
+static boolean msolaris = SOLARIS_P;
+#endif
+
+#ifdef OBJ_XCOFF
/* The RS/6000 assembler uses the .csect pseudo-op to generate code
using a bunch of different sections. These assembler sections,
cause BFD to set the section number of a symbol to N_DEBUG. */
static asection *ppc_coff_debug_section;
-/* The size of the .debug section. */
-static bfd_size_type ppc_debug_name_section_size;
+#endif /* OBJ_XCOFF */
+
+#ifdef TE_PE
+
+/* Various sections that we need for PE coff support. */
+static segT ydata_section;
+static segT pdata_section;
+static segT reldata_section;
+static segT rdata_section;
+static segT tocdata_section;
-#endif /* OBJ_COFF */
+/* The current section and the previous section. See ppc_previous. */
+static segT ppc_previous_section;
+static segT ppc_current_section;
+
+#endif /* TE_PE */
#ifdef OBJ_ELF
symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
#endif /* OBJ_ELF */
-
-#ifndef WORKING_DOT_WORD
-const int md_short_jump_size = 4;
-const int md_long_jump_size = 4;
-#endif
\f
#ifdef OBJ_ELF
-CONST char *md_shortopts = "um:VQ:";
+CONST char *md_shortopts = "b:l:usm:K:VQ:";
#else
CONST char *md_shortopts = "um:";
#endif
external, which is the default for gas anyhow. */
break;
+#ifdef OBJ_ELF
+ case 'l':
+ /* Solaris as takes -le (presumably for little endian). For completeness
+ sake, recognize -be also. */
+ if (strcmp (arg, "e") == 0)
+ {
+ target_big_endian = 0;
+ set_target_endian = 1;
+ }
+ else
+ return 0;
+
+ break;
+
+ case 'b':
+ if (strcmp (arg, "e") == 0)
+ {
+ target_big_endian = 1;
+ set_target_endian = 1;
+ }
+ else
+ 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). */
/* -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. FIXME: We
- ignore the option for now, but we should really use it to permit
- instructions defined on the 601 that are not part of the standard
- PowerPC architecture (mostly holdovers from the 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
ppc_cpu = PPC_OPCODE_PPC;
ppc_size = PPC_OPCODE_64;
}
+ else if (strcmp (arg, "ppc64bridge") == 0)
+ {
+ ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE;
+ ppc_size = PPC_OPCODE_64;
+ }
+ /* -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_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_PPC;
+ ppc_cpu = PPC_OPCODE_ANY;
+
+ else if (strcmp (arg, "regnames") == 0)
+ reg_names_p = true;
+
+ else if (strcmp (arg, "no-regnames") == 0)
+ reg_names_p = false;
#ifdef OBJ_ELF
- /* -mrelocatable -- warn about initializations that require relocation */
+ /* -mrelocatable/-mrelocatable-lib -- warn about initializations that require relocation */
else if (strcmp (arg, "relocatable") == 0)
- mrelocatable = true;
+ {
+ shlib = SHILB_MRELOCATABLE;
+ ppc_flags |= EF_PPC_RELOCATABLE;
+ }
+
+ else if (strcmp (arg, "relocatable-lib") == 0)
+ {
+ shlib = SHILB_MRELOCATABLE;
+ ppc_flags |= EF_PPC_RELOCATABLE_LIB;
+ }
+
+ /* -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)
- target_big_endian = 0;
+ {
+ target_big_endian = 0;
+ set_target_endian = 1;
+ }
else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0)
- target_big_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;
should be emitted or not. FIXME: Not implemented. */
case 'Q':
break;
+
+ /* Solaris takes -s to specify that .stabs go in a .stabs section,
+ rather than .stabs.excl, which is ignored by the linker.
+ FIXME: Not implemented. */
+ case 's':
+ if (arg)
+ return 0;
+
+ break;
#endif
default:
md_show_usage (stream)
FILE *stream;
{
- fprintf(stream, "\
+ fprintf(stream, _("\
PowerPC options:\n\
-u ignored\n\
-mpwrx, -mpwr2 generate code for IBM POWER/2 (RIOS2)\n\
-mppc, -mppc32, -m403, -m603, -m604\n\
generate code for Motorola PowerPC 603/604\n\
-mppc64, -m620 generate code for Motorola PowerPC 620\n\
--many generate code for any architecture (PWR/PWRX/PPC)\n");
+-mppc64bridge generate code for PowerPC 64, including bridge insns\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"));
#ifdef OBJ_ELF
- fprintf(stream, "\
+ 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
+ generate code for a little endian machine\n\
+-mbig, -mbig-endian 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");
+-Qy, -Qn ignored\n"));
#endif
}
\f
static void
ppc_set_cpu ()
{
+ const char *default_os = TARGET_OS;
const char *default_cpu = TARGET_CPU;
if (ppc_cpu == 0)
{
- if (strcmp (default_cpu, "rs6000") == 0)
+ if (strncmp (default_os, "aix", 3) == 0
+ && default_os[3] >= '4' && default_os[3] <= '9')
+ ppc_cpu = PPC_OPCODE_COMMON;
+ else if (strncmp (default_os, "aix3", 4) == 0)
+ ppc_cpu = PPC_OPCODE_POWER;
+ 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;
else
- as_fatal ("Unknown default cpu = %s", default_cpu);
+ as_fatal (_("Unknown default cpu = %s, os = %s"), default_cpu, default_os);
}
}
enum bfd_architecture
ppc_arch ()
{
+ const char *default_cpu = TARGET_CPU;
ppc_set_cpu ();
if ((ppc_cpu & PPC_OPCODE_PPC) != 0)
return bfd_arch_powerpc;
else if ((ppc_cpu & PPC_OPCODE_POWER) != 0)
return bfd_arch_rs6000;
- else
- as_fatal ("Neither Power nor PowerPC opcodes were selected.");
+ else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0)
+ {
+ if (strcmp (default_cpu, "rs6000") == 0)
+ return bfd_arch_rs6000;
+ else if (strcmp (default_cpu, "powerpc") == 0
+ || strcmp (default_cpu, "powerpcle") == 0)
+ return bfd_arch_powerpc;
+ }
+
+ 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
const struct powerpc_opcode *op_end;
const struct powerpc_macro *macro;
const struct powerpc_macro *macro_end;
+ boolean dup_insn = false;
ppc_set_cpu ();
#ifdef OBJ_ELF
- /* Set the -mrelocatable flag bit */
- if (mrelocatable)
- bfd_set_private_flags (stdoutput, EF_PPC_RELOCATABLE);
+ /* Set the ELF flags if desired. */
+ if (ppc_flags && !msolaris)
+ bfd_set_private_flags (stdoutput, ppc_flags);
#endif
/* Insert the opcodes into a hash table. */
if ((op->flags & ppc_cpu) != 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_size
+ || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0))
{
const char *retval;
retval = hash_insert (ppc_hash, op->name, (PTR) op);
if (retval != (const char *) NULL)
{
- /* We permit a duplication of the mfdec instruction on
- the 601, because it seems to have one value on the
- 601 and a different value on other PowerPC
- processors. It's easier to permit a duplication than
- to define a new instruction type flag. When using
- -many, the comparison instructions are a harmless
- special case. */
- if (strcmp (retval, "exists") != 0
- || (((ppc_cpu & PPC_OPCODE_601) == 0
- || strcmp (op->name, "mfdec") != 0)
- && (ppc_cpu != (PPC_OPCODE_POWER
- | PPC_OPCODE_POWER2
- | PPC_OPCODE_PPC)
- || (strcmp (op->name, "cmpli") != 0
- && strcmp (op->name, "cmpi") != 0
- && strcmp (op->name, "cmp") != 0
- && strcmp (op->name, "cmpl") != 0))))
- abort ();
+ /* 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;
}
}
}
retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro);
if (retval != (const char *) NULL)
- abort ();
+ {
+ as_bad (_("Internal assembler error for macro %s"), macro->name);
+ dup_insn = true;
+ }
}
}
- /* Tell the main code what the endianness is. */
- target_big_endian = PPC_BIG_ENDIAN;
+ if (dup_insn)
+ abort ();
+
+ /* Tell the main code what the endianness is if it is not overidden by the user. */
+ if (!set_target_endian)
+ {
+ set_target_endian = 1;
+ target_big_endian = PPC_BIG_ENDIAN;
+ }
-#ifdef OBJ_COFF
+#ifdef OBJ_XCOFF
ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG);
/* Create dummy symbols to serve as initial csects. This forces the
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;
+
#endif
}
if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
{
- if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0
- && ppc_size == PPC_OPCODE_32)
+ if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0)
max = (1 << operand->bits) - 1;
else
max = (1 << (operand->bits - 1)) - 1;
min = - (1 << (operand->bits - 1));
+
+ if (ppc_size == PPC_OPCODE_32)
+ {
+ /* Some people write 32 bit hex constants with the sign
+ extension done by hand. 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. */
+ if (val > 0
+ && (val & (offsetT) 0x80000000) != 0
+ && (val & (offsetT) 0xffffffff) == val)
+ {
+ val -= 0x80000000;
+ val -= 0x80000000;
+ }
+ }
}
else
{
if (test < (offsetT) min || test > (offsetT) max)
{
const char *err =
- "operand out of range (%s not between %ld and %ld)";
+ _("operand out of range (%s not between %ld and %ld)");
char buf[100];
sprint_value (buf, test);
if (file == (char *) NULL)
- as_warn (err, buf, min, max);
+ as_bad (err, buf, min, max);
else
- as_warn_where (file, line, err, buf, min, max);
+ as_bad_where (file, line, err, buf, min, max);
}
}
errmsg = NULL;
insn = (*operand->insert) (insn, (long) val, &errmsg);
if (errmsg != (const char *) NULL)
- as_warn (errmsg);
+ as_bad (errmsg);
}
else
insn |= (((long) val & ((1 << operand->bits) - 1))
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)
+ppc_elf_suffix (str_p, exp_p)
char **str_p;
+ expressionS *exp_p;
{
- char *str = *str_p;
+ struct map_bfd {
+ char *string;
+ int length;
+ bfd_reloc_code_real_type reloc;
+ };
- if (*str != '@')
+ char ident[20];
+ char *str = *str_p;
+ 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 ("plt", BFD_RELOC_24_PLT_PCREL),
+ 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 ("local", BFD_RELOC_PPC_LOCAL24PC),
+ 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 }
+ };
+
+ if (*str++ != '@')
return BFD_RELOC_UNUSED;
- if (strncmp (str, "@GOT", 4) == 0 || strncmp (str, "@got", 4) == 0)
- {
- *str_p += 4;
- return BFD_RELOC_PPC_TOC16;
- }
- else if (strncmp (str, "@L", 2) == 0 || strncmp (str, "@l", 2) == 0)
- {
- *str_p += 2;
- return BFD_RELOC_LO16;
- }
- else if (strncmp (str, "@HA", 3) == 0 || strncmp (str, "@ha", 3) == 0)
- {
- *str_p += 3;
- return BFD_RELOC_HI16_S;
- }
- else if (strncmp (str, "@H", 2) == 0 || strncmp (str, "@h", 2) == 0)
+ for (ch = *str, str2 = ident;
+ (str2 < ident + sizeof (ident) - 1
+ && (isalnum (ch) || ch == '@'));
+ ch = *++str)
{
- *str_p += 2;
- return BFD_RELOC_HI16;
+ *str2++ = (islower (ch)) ? ch : tolower (ch);
}
+ *str2 = '\0';
+ len = str2 - ident;
+
+ 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 (exp_p->X_add_number != 0
+ && (ptr->reloc == BFD_RELOC_16_GOTOFF
+ || ptr->reloc == BFD_RELOC_LO16_GOTOFF
+ || ptr->reloc == BFD_RELOC_HI16_GOTOFF
+ || ptr->reloc == BFD_RELOC_HI16_S_GOTOFF))
+ as_warn (_("identifier+constant@got means identifier@got+constant"));
+
+ /* 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;
+ }
+
return BFD_RELOC_UNUSED;
}
do
{
expression (&exp);
- if (nbytes == 4
- && exp.X_op == O_symbol
+ 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)
{
- register char *p = frag_more ((int) nbytes);
reloc_howto_type *reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
- int offset = (!reloc_howto) ? 0 : (nbytes - bfd_get_reloc_size (reloc_howto));
+ int size = bfd_get_reloc_size (reloc_howto);
- if (offset < 0)
- offset = 0;
+ 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, (int) nbytes - offset, &exp, 0, reloc);
+ fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, &exp, 0, reloc);
+ }
}
else
emit_expr (&exp, (unsigned int) nbytes);
demand_empty_rest_of_line ();
}
-/* Validate any relocations emitted for -mrelocatable */
+/* Solaris pseduo op to change to the .rodata section. */
static void
-ppc_elf_validate_fix (fixp, seg)
- fixS *fixp;
- segT seg;
+ppc_elf_rdata (xxx)
+ int xxx;
{
- if (mrelocatable
- && !fixp->fx_done
- && !fixp->fx_pcrel
- && fixp->fx_r_type <= BFD_RELOC_UNUSED
- && strcmp (segment_name (seg), ".got2") != 0
- && strcmp (segment_name (seg), ".dtors") != 0
- && strcmp (segment_name (seg), ".ctors") != 0
- && strcmp (segment_name (seg), ".stab") != 0)
- {
- as_warn_where (fixp->fx_file, fixp->fx_line,
- "Relocation cannot be done when using -mrelocatable");
- }
-}
+ char *save_line = input_line_pointer;
+ static char section[] = ".rodata\n";
-#endif /* OBJ_ELF */
+ /* Just pretend this is .section .rodata */
+ input_line_pointer = section;
+ obj_elf_section (xxx);
-/* 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
- that would screw up references to ``.''. */
+ input_line_pointer = save_line;
+}
-struct ppc_fixup
+/* Pseudo op to make file scope bss items */
+static void
+ppc_elf_lcomm(xxx)
+ int xxx ATTRIBUTE_UNUSED;
{
- expressionS exp;
- int opindex;
- bfd_reloc_code_real_type reloc;
-};
-
-#define MAX_INSN_FIXUPS (5)
+ register char *name;
+ register char c;
+ register char *p;
+ offsetT size;
+ register symbolS *symbolP;
+ offsetT align;
+ segT old_sec;
+ int old_subsec;
+ char *pfrag;
+ int align2;
-/* This routine is called for each instruction to be assembled. */
+ name = input_line_pointer;
+ c = get_symbol_end ();
-void
-md_assemble (str)
- char *str;
-{
- char *s;
- const struct powerpc_opcode *opcode;
- unsigned long insn;
- const unsigned char *opindex_ptr;
- int skip_optional;
- int need_paren;
- int next_opindex;
- struct ppc_fixup fixups[MAX_INSN_FIXUPS];
- int fc;
- char *f;
- int i;
- bfd_reloc_code_real_type reloc;
+ /* 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;
+ }
- /* Get the opcode. */
- for (s = str; *s != '\0' && ! isspace (*s); s++)
- ;
- if (*s != '\0')
- *s++ = '\0';
+ input_line_pointer++; /* skip ',' */
+ if ((size = get_absolute_expression ()) < 0)
+ {
+ as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
+ ignore_rest_of_line ();
+ return;
+ }
- /* Look up the opcode in the hash table. */
- opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str);
- if (opcode == (const struct powerpc_opcode *) NULL)
+ /* The third argument to .lcomm is the alignment. */
+ if (*input_line_pointer != ',')
+ align = 8;
+ else
{
- const struct powerpc_macro *macro;
+ ++input_line_pointer;
+ align = get_absolute_expression ();
+ if (align <= 0)
+ {
+ as_warn (_("ignoring bad alignment"));
+ align = 8;
+ }
+ }
- macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
- if (macro == (const struct powerpc_macro *) NULL)
- as_bad ("Unrecognized opcode: `%s'", str);
- else
- ppc_macro (s, macro);
+ *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;
}
- insn = opcode->opcode;
+ 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);
- str = s;
- while (isspace (*str))
- ++str;
+ ignore_rest_of_line ();
+ return;
+ }
- /* 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
+ /* 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 ();
+}
+
+/* Validate any relocations emitted for -mrelocatable, possibly adding
+ 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;
+{
+ if (fixp->fx_done || fixp->fx_pcrel)
+ return;
+
+ switch (shlib)
+ {
+ case SHLIB_NONE:
+ case SHLIB_PIC:
+ return;
+
+ case SHILB_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_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), ".eh_frame") != 0
+ && strcmp (segment_name (seg), ".ex_shared") != 0)
+ {
+ 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 */
+\f
+#ifdef TE_PE
+
+/*
+ * Summary of parse_toc_entry().
+ *
+ * in: Input_line_pointer points to the '[' in one of:
+ *
+ * [toc] [tocv] [toc32] [toc64]
+ *
+ * Anything else is an error of one kind or another.
+ *
+ * out:
+ * return value: success or failure
+ * toc_kind: kind of toc reference
+ * input_line_pointer:
+ * success: first char after the ']'
+ * failure: unchanged
+ *
+ * settings:
+ *
+ * [toc] - rv == success, toc_kind = default_toc
+ * [tocv] - rv == success, toc_kind = data_in_toc
+ * [toc32] - rv == success, toc_kind = must_be_32
+ * [toc64] - rv == success, toc_kind = must_be_64
+ *
+ */
+
+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 */
+ must_be_64 /* The toc cell constructed must be 64 bits wide */
+};
+
+static int
+parse_toc_entry(toc_kind)
+ enum toc_size_qualifier *toc_kind;
+{
+ char *start;
+ char *toc_spec;
+ char c;
+ enum toc_size_qualifier t;
+
+ /* save the input_line_pointer */
+ start = input_line_pointer;
+
+ /* skip over the '[' , and whitespace */
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+
+ /* find the spelling of the operand */
+ toc_spec = input_line_pointer;
+ c = get_symbol_end ();
+
+ if (strcmp(toc_spec, "toc") == 0)
+ {
+ t = default_toc;
+ }
+ else if (strcmp(toc_spec, "tocv") == 0)
+ {
+ t = data_in_toc;
+ }
+ else if (strcmp(toc_spec, "toc32") == 0)
+ {
+ t = must_be_32;
+ }
+ 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 */
+ return 0;
+ }
+
+ /* now find the ']' */
+ *input_line_pointer = c; /* put back the delimiting char */
+
+ 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 */
+ return 0;
+ }
+
+ *toc_kind = t; /* set return value */
+ return 1;
+}
+#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
+ that would screw up references to ``.''. */
+
+struct ppc_fixup
+{
+ expressionS exp;
+ int opindex;
+ bfd_reloc_code_real_type reloc;
+};
+
+#define MAX_INSN_FIXUPS (5)
+
+/* This routine is called for each instruction to be assembled. */
+
+void
+md_assemble (str)
+ char *str;
+{
+ char *s;
+ const struct powerpc_opcode *opcode;
+ unsigned long insn;
+ const unsigned char *opindex_ptr;
+ int skip_optional;
+ int need_paren;
+ int next_opindex;
+ struct ppc_fixup fixups[MAX_INSN_FIXUPS];
+ int fc;
+ char *f;
+ int i;
+#ifdef OBJ_ELF
+ bfd_reloc_code_real_type reloc;
+#endif
+
+ /* Get the opcode. */
+ for (s = str; *s != '\0' && ! isspace (*s); s++)
+ ;
+ if (*s != '\0')
+ *s++ = '\0';
+
+ /* Look up the opcode in the hash table. */
+ opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str);
+ if (opcode == (const struct powerpc_opcode *) NULL)
+ {
+ const struct powerpc_macro *macro;
+
+ macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
+ if (macro == (const struct powerpc_macro *) NULL)
+ as_bad (_("Unrecognized opcode: `%s'"), str);
+ else
+ ppc_macro (s, macro);
+
+ return;
+ }
+
+ insn = opcode->opcode;
+
+ str = s;
+ 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
{
insn = (*operand->insert) (insn, 0L, &errmsg);
if (errmsg != (const char *) NULL)
- as_warn (errmsg);
+ as_bad (errmsg);
continue;
}
{
insn = (*operand->insert) (insn, 0L, &errmsg);
if (errmsg != (const char *) NULL)
- as_warn (errmsg);
+ as_bad (errmsg);
}
if ((operand->flags & PPC_OPERAND_NEXT) != 0)
next_opindex = *opindex_ptr + 1;
/* Gather the operand. */
hold = input_line_pointer;
input_line_pointer = str;
- expression (&ex);
+
+#ifdef TE_PE
+ 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.
+ */
+
+ 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);
+
+ if (!valid_toc)
+ {
+ /* 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);
+
+ 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. */
+ 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 (symbol_get_bfdsym (ex.X_add_symbol)->section
+ != tocdata_section)
+ {
+ 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? */
+ toc_reloc = BFD_RELOC_UNUSED;
+ as_bad (_("Unimplemented toc32 expression modifier"));
+ break;
+ case must_be_64:
+ /* FIXME: see above */
+ toc_reloc = BFD_RELOC_UNUSED;
+ as_bad (_("Unimplemented toc64 expression modifier"));
+ break;
+ default:
+ 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"));
+
+ 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 */
+ ex.X_unsigned = 1;
+ ex.X_op = O_constant;
+ ex.X_add_number = 0;
+ ex.X_add_symbol = NULL;
+ ex.X_op_symbol = NULL;
+ }
+
+ else
+#endif /* TE_PE */
+ {
+ if (! register_name (&ex))
+ {
+ if ((operand->flags & PPC_OPERAND_CR) != 0)
+ cr_operand = true;
+ expression (&ex);
+ cr_operand = false;
+ }
+ }
+
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);
+ }
else if (ex.X_op == O_constant)
- insn = ppc_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0);
-
+ {
#ifdef OBJ_ELF
- else if ((reloc = ppc_elf_suffix (&str)) != BFD_RELOC_UNUSED)
+ /* Allow @HA, @L, @H on constants. */
+ char *orig_str = str;
+
+ if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
+ switch (reloc)
+ {
+ default:
+ str = orig_str;
+ break;
+
+ case BFD_RELOC_LO16:
+ /* 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) == 0)
+ ex.X_add_number &= 0xffff;
+ else
+ ex.X_add_number = (((ex.X_add_number & 0xffff)
+ ^ 0x8000)
+ - 0x8000);
+ break;
+
+ case BFD_RELOC_HI16:
+ ex.X_add_number = (ex.X_add_number >> 16) & 0xffff;
+ break;
+
+ case BFD_RELOC_HI16_S:
+ ex.X_add_number = ((((ex.X_add_number >> 16) & 0xffff)
+ + ((ex.X_add_number >> 15) & 1))
+ & 0xffff);
+ break;
+ }
+#endif
+ insn = ppc_insert_operand (insn, operand, ex.X_add_number,
+ (char *) NULL, 0);
+ }
+#ifdef OBJ_ELF
+ else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
{
+ /* 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;
+ default:
+ 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].reloc = reloc;
{
/* 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;
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;
if (*str != '\0')
- as_bad ("junk at end of line: `%s'", str);
+ as_bad (_("junk at end of line: `%s'"), str);
/* Write out the instruction. */
f = frag_more (4);
if (fixups[i].reloc != BFD_RELOC_UNUSED)
{
reloc_howto_type *reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
- int size = (!reloc_howto) ? 0 : bfd_get_reloc_size (reloc_howto);
- int offset = target_big_endian ? (4 - size) : 0;
+ int size;
+ int offset;
+ fixS *fixP;
- if (size > 4)
+ if (!reloc_howto)
+ abort ();
+
+ size = bfd_get_reloc_size (reloc_howto);
+ offset = target_big_endian ? (4 - size) : 0;
+
+ if (size < 1 || size > 4)
abort();
- fix_new_exp (frag_now, f - frag_now->fr_literal + offset, size,
- &fixups[i].exp, (reloc_howto && reloc_howto->pc_relative),
- fixups[i].reloc);
+ 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
+ foo+100000@ha. */
+ switch (fixups[i].reloc)
+ {
+ case BFD_RELOC_16_GOTOFF:
+ case BFD_RELOC_PPC_TOC16:
+ case BFD_RELOC_LO16:
+ case BFD_RELOC_HI16:
+ case BFD_RELOC_HI16_S:
+ fixP->fx_no_overflow = 1;
+ break;
+ default:
+ break;
+ }
}
else
fix_new_exp (frag_now, f - frag_now->fr_literal, 4,
}
}
-#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
const struct powerpc_macro *macro;
{
char *operands[10];
- int count;
+ unsigned int count;
char *s;
unsigned int len;
const char *format;
if (count != macro->operands)
{
- as_bad ("wrong number of operands");
+ as_bad (_("wrong number of operands"));
return;
}
/* 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 (str, len)
+ char *str;
+ size_t len;
+{
+ if (len == 7 && strncmp (str, "exclude", 7) == 0)
+ return SHF_EXCLUDE;
+
+ return -1;
+}
+
+int
+ppc_section_type (str, len)
+ char *str;
+ size_t len;
+{
+ if (len == 7 && strncmp (str, "ordered", 7) == 0)
+ return SHT_ORDERED;
+
+ return -1;
+}
+
+int
+ppc_section_flags (flags, attr, type)
+ int flags;
+ int attr;
+ 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 */
+
\f
/* Pseudo-op handling. */
static void
ppc_byte (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (*input_line_pointer != '\"')
{
demand_empty_rest_of_line ();
}
\f
-#ifdef OBJ_COFF
+#ifdef OBJ_XCOFF
/* XCOFF specific pseudo-op handling. */
+/* 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;
+
/* 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. */
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;
}
align = get_absolute_expression ();
if (align <= 0)
{
- as_warn ("ignoring bad alignment");
+ as_warn (_("ignoring bad alignment"));
align = 3;
}
}
argument. */
if (*input_line_pointer != ',')
{
- as_bad ("missing real symbol name");
+ as_bad (_("missing real symbol name"));
ignore_rest_of_line ();
return;
}
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;
}
}
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);
+ frag_align (align, 0, 0);
- def_sym->sy_frag = frag_now;
+ 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);
*input_line_pointer = endc;
+ if (S_GET_NAME (sym)[0] == '\0')
+ {
+ /* An unnamed csect is assumed to be [PR]. */
+ symbol_get_tc (sym)->class = XMC_PR;
+ }
+
+ ppc_change_csect (sym);
+
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ symbol_get_tc (sym)->align = get_absolute_expression ();
+ }
+
+ demand_empty_rest_of_line ();
+}
+
+/* Change to a different csect. */
+
+static void
+ppc_change_csect (sym)
+ symbolS *sym;
+{
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;
/* 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)
+ switch (symbol_get_tc (sym)->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;
break;
case XMC_UA:
case XMC_BS:
case XMC_UC:
- if (ppc_toc_csect->sy_tc.subseg + 1 == ppc_data_subsegment)
+ if (ppc_toc_csect != NULL
+ && (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;
+
+ 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;
+ 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 = 2;
+ 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);
- }
-
- if (*input_line_pointer == ',')
- {
- ++input_line_pointer;
- sym->sy_tc.align = get_absolute_expression ();
+ symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
+ &symbol_lastP);
}
ppc_current_csect = sym;
-
- demand_empty_rest_of_line ();
}
-/* The .extern pseudo-op. We create an undefined symbol. */
+/* This function handles the .text and .data pseudo-ops. These
+ pseudo-ops aren't really used by XCOFF; we implement them for the
+ convenience of people who aren't used to XCOFF. */
static void
-ppc_extern (ignore)
- int ignore;
+ppc_section (type)
+ int type;
{
- char *name;
- char endc;
+ const char *name;
+ symbolS *sym;
- name = input_line_pointer;
- endc = get_symbol_end ();
+ if (type == 't')
+ name = ".text[PR]";
+ else if (type == 'd')
+ name = ".data[RW]";
+ else
+ abort ();
- (void) symbol_find_or_make (name);
+ sym = symbol_find_or_make (name);
- *input_line_pointer = endc;
+ ppc_change_csect (sym);
demand_empty_rest_of_line ();
}
-/* The .lglobl pseudo-op. I think the RS/6000 assembler only needs
- this because it can't handle undefined symbols. I think we can
- just ignore it. */
+/* 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_lglobl (ignore)
+ppc_named_section (ignore)
int ignore;
{
- s_ignore (0);
-}
+ char *user_name;
+ const char *real_name;
+ char c;
+ symbolS *sym;
-/* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
+ 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);
+
+ demand_empty_rest_of_line ();
+}
+
+/* The .extern pseudo-op. We create an undefined symbol. */
+
+static void
+ppc_extern (ignore)
+ int ignore;
+{
+ char *name;
+ char endc;
+
+ name = input_line_pointer;
+ endc = get_symbol_end ();
+
+ (void) symbol_find_or_make (name);
+
+ *input_line_pointer = endc;
+
+ demand_empty_rest_of_line ();
+}
+
+/* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
+
+static void
+ppc_lglobl (ignore)
+ int ignore;
+{
+ char *name;
+ char endc;
+ symbolS *sym;
+
+ name = input_line_pointer;
+ endc = get_symbol_end ();
+
+ sym = symbol_find_or_make (name);
+
+ *input_line_pointer = endc;
+
+ symbol_get_tc (sym)->output = 1;
+
+ demand_empty_rest_of_line ();
+}
+
+/* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
although I don't know why it bothers. */
static void
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 ();
}
if (*input_line_pointer != ',')
{
- as_bad ("missing value");
+ as_bad (_("missing value"));
return;
}
++input_line_pointer;
+ ppc_stab_symbol = true;
sym = symbol_make (name);
+ ppc_stab_symbol = false;
+
+ 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;
/* 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;
+ 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)
- sym->sy_tc.within = ppc_current_block;
+ symbol_get_tc (sym)->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 (strlen (name) > SYMNMLEN)
- {
- /* For some reason, each name is preceded by a two byte length
- and followed by a null byte. */
- ppc_debug_name_section_size += strlen (name) + 3;
+ 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 ();
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)->class == -1)
+ symbol_get_tc (ext_sym)->class = XMC_PR;
+ symbol_get_tc (ext_sym)->output = 1;
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);
}
}
}
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;
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (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);
ppc_biei (ei)
int ei;
{
+ static symbolS *last_biei;
+
char *name;
int len;
symbolS *sym;
name = demand_copy_C_string (&len);
- sym = symbol_make (name);
- S_SET_SEGMENT (sym, ppc_coff_debug_section);
- sym->bsym->flags |= BSF_DEBUGGING;
+ /* The value of these symbols is actually file offset. Here we set
+ the value to the index into the line number entries. In
+ ppc_frob_symbols we set the fix_line field, which will cause BFD
+ to do the right thing. */
- /* FIXME: The value of the .bi or .ei symbol is supposed to be the
- offset in the file to the line number entry to use. That is
- quite difficult to implement using BFD, so I'm just not doing it.
- Sorry. Please add it if you can figure out how. Note that this
- approach is the only way to support multiple files in COFF, since
- line numbers are associated with function symbols. Note further
- that it still doesn't work, since the line numbers are stored as
- offsets from a base line number. */
+ sym = symbol_make (name);
+ /* obj-coff.c currently only handles line numbers correctly in the
+ .text section. */
+ S_SET_SEGMENT (sym, text_section);
+ S_SET_VALUE (sym, coff_n_line_nos);
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL);
- sym->sy_tc.output = 1;
+ symbol_get_tc (sym)->output = 1;
- for (look = symbol_rootP;
+ 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 ();
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);
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);
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);
ppc_frob_label (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_FCN);
+ 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);
+
+ ppc_frob_label (sym);
+
+ demand_empty_rest_of_line ();
+}
+
+/* The .bc pseudo-op. This just creates a C_BCOMM symbol with a
+ specified name. */
+
+static void
+ppc_bc (ignore)
+ int ignore;
+{
+ char *name;
+ int len;
+ symbolS *sym;
+
+ name = demand_copy_C_string (&len);
+ sym = symbol_make (name);
+ S_SET_SEGMENT (sym, ppc_coff_debug_section);
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
+ S_SET_STORAGE_CLASS (sym, C_BCOMM);
+ S_SET_VALUE (sym, 0);
+ symbol_get_tc (sym)->output = 1;
+
+ ppc_frob_label (sym);
+
+ demand_empty_rest_of_line ();
+}
+
+/* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
+
+static void
+ppc_ec (ignore)
+ int ignore;
+{
+ symbolS *sym;
+
+ sym = symbol_make (".ec");
+ S_SET_SEGMENT (sym, ppc_coff_debug_section);
+ symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
+ S_SET_STORAGE_CLASS (sym, C_ECOMM);
+ S_SET_VALUE (sym, 0);
+ symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
int ignore;
{
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;
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 (log_size)
+ int log_size;
+{
+ frag_align (log_size, 0, 0);
+ record_alignment (now_seg, log_size);
+ cons (1 << log_size);
+}
+
+static void
+ppc_vbyte (dummy)
+ int dummy;
+{
+ 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 */
+\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
+ this location in the TOC; often there is just one more argument, a
+ relocateable symbol reference.
+
+ When not generating XCOFF output, the arguments are the same, but
+ the first argument is simply ignored. */
+
+static void
+ppc_tc (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+#ifdef OBJ_XCOFF
+
+ /* Define the TOC symbol name. */
+ {
+ char *name;
+ char endc;
+ symbolS *sym;
+
+ if (ppc_toc_csect == (symbolS *) NULL
+ || ppc_toc_csect != ppc_current_csect)
+ {
+ as_bad (_(".tc not in .toc section"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ name = input_line_pointer;
+ endc = get_symbol_end ();
+
+ sym = symbol_find_or_make (name);
+
+ *input_line_pointer = endc;
+
+ if (S_IS_DEFINED (sym))
+ {
+ symbolS *label;
+
+ label = symbol_get_tc (ppc_current_csect)->within;
+ if (symbol_get_tc (label)->class != XMC_TC0)
+ {
+ as_bad (_(".tc with no label"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
+ 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])
+ ++input_line_pointer;
+
+ return;
+ }
+
+ S_SET_SEGMENT (sym, now_seg);
+ symbol_set_frag (sym, frag_now);
+ S_SET_VALUE (sym, (valueT) frag_now_fix ());
+ symbol_get_tc (sym)->class = XMC_TC;
+ symbol_get_tc (sym)->output = 1;
+
+ ppc_frob_label (sym);
+ }
+
+#else /* ! defined (OBJ_XCOFF) */
+
+ /* 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;
+
+ /* Align to a four byte boundary. */
+ frag_align (2, 0, 0);
+ record_alignment (now_seg, 2);
+
+#endif /* ! defined (OBJ_XCOFF) */
+
+ if (*input_line_pointer != ',')
+ demand_empty_rest_of_line ();
+ else
+ {
+ ++input_line_pointer;
+ cons (4);
+ }
+}
+\f
+#ifdef TE_PE
+
+/* 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_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"
+*/
+static void
+ppc_previous(ignore)
+ int ignore;
+{
+ symbolS *tmp;
+
+ if (ppc_previous_section == NULL)
+ {
+ as_warn(_("No previous section to return to. Directive ignored."));
+ return;
+ }
+
+ subseg_set(ppc_previous_section, 0);
+
+ ppc_set_current_section(ppc_previous_section);
+}
+
+/* pseudo-op: .pdata
+ behaviour: predefined read only data section
+ double word aligned
+ errors: None
+ warnings: None
+ initial: .section .pdata "adr3"
+ 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.
+
+*/
+static void
+ppc_pdata(ignore)
+ int ignore;
+{
+ 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);
+ }
+ ppc_set_current_section(pdata_section);
+}
+
+/* pseudo-op: .ydata
+ behaviour: predefined read only data section
+ double word aligned
+ errors: None
+ warnings: None
+ initial: .section .ydata "drw3"
+ 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.
+*/
+static void
+ppc_ydata(ignore)
+ int ignore;
+{
+ 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 ));
+
+ bfd_set_section_alignment (stdoutput, ydata_section, 3);
+ }
+ else
+ {
+ ydata_section = subseg_new (".ydata", 0);
+ }
+ ppc_set_current_section(ydata_section);
+}
+
+/* pseudo-op: .reldata
+ behaviour: predefined read write data section
+ double word aligned (4-byte)
+ FIXME: relocation is applied to it
+ FIXME: what's the difference between this and .data?
+ errors: None
+ warnings: None
+ initial: .section .reldata "drw3"
+ d - initialized data
+ r - readable
+ w - writeable
+ 3 - double word aligned (that would be 8 byte boundary)
+
+ commentary:
+ Like .data, but intended to hold data subject to relocation, such as
+ function descriptors, etc.
+*/
+static void
+ppc_reldata(ignore)
+ int ignore;
+{
+ 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 ));
+
+ bfd_set_section_alignment (stdoutput, reldata_section, 2);
+ }
+ else
+ {
+ reldata_section = subseg_new (".reldata", 0);
+ }
+ ppc_set_current_section(reldata_section);
+}
+
+/* pseudo-op: .rdata
+ behaviour: predefined read only data section
+ 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)
+*/
+static void
+ppc_rdata(ignore)
+ int ignore;
+{
+ if (rdata_section == 0)
+ {
+ rdata_section = subseg_new (".rdata", 0);
+ bfd_set_section_flags (stdoutput, rdata_section,
+ (SEC_ALLOC | SEC_LOAD | SEC_RELOC
+ | SEC_READONLY | SEC_DATA ));
+
+ bfd_set_section_alignment (stdoutput, rdata_section, 2);
+ }
+ else
+ {
+ rdata_section = subseg_new (".rdata", 0);
+ }
+ ppc_set_current_section(rdata_section);
+}
+
+/* pseudo-op: .ualong
+ behaviour: much like .int, with the exception that no alignment is
+ performed.
+ FIXME: test the alignment statement
+ errors: None
+ warnings: None
+*/
+static void
+ppc_ualong(ignore)
+ int ignore;
+{
+ /* 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
+ the supplied symbol name.
+ errors: None
+ warnings: Missing symbol name
+*/
+static void
+ppc_znop(ignore)
+ int ignore;
+{
+ 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;
+ unsigned int exp;
+ flagword flags;
+ asection *sec;
+
+ symbol_name = input_line_pointer;
+ c = get_symbol_end ();
+
+ name = xmalloc (input_line_pointer - symbol_name + 1);
+ strcpy (name, symbol_name);
+
+ sym = symbol_find_or_make (name);
+
+ *input_line_pointer = c;
+
+ SKIP_WHITESPACE ();
+
+ /* Look up the opcode in the hash table. */
+ opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop");
+
+ /* stick in the nop */
+ insn = opcode->opcode;
+
+ /* Write out the instruction. */
+ f = frag_more (4);
+ md_number_to_chars (f, insn, 4);
+ fix_new (frag_now,
+ f - frag_now->fr_literal,
+ 4,
+ sym,
+ 0,
+ 0,
+ BFD_RELOC_16_GOT_PCREL);
+
+}
+
+/* pseudo-op:
+ behaviour:
+ errors:
+ warnings:
+*/
+static void
+ppc_pe_comm(lcomm)
+ int lcomm;
+{
+ register char *name;
+ register char c;
+ register char *p;
+ offsetT temp;
+ register symbolS *symbolP;
+ offsetT align;
+
+ 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 ((temp = get_absolute_expression ()) < 0)
+ {
+ as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
+ ignore_rest_of_line ();
+ return;
+ }
+
+ if (! lcomm)
+ {
+ /* The third argument to .comm is the alignment. */
+ if (*input_line_pointer != ',')
+ align = 3;
+ else
+ {
+ ++input_line_pointer;
+ align = get_absolute_expression ();
+ if (align <= 0)
+ {
+ as_warn (_("ignoring bad alignment"));
+ align = 3;
+ }
+ }
+ }
+
+ *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;
}
- ppc_current_csect = ppc_toc_csect;
+ 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."),
+ S_GET_NAME (symbolP),
+ (long) S_GET_VALUE (symbolP),
+ (long) temp);
+ }
+ else
+ {
+ S_SET_VALUE (symbolP, (valueT) temp);
+ S_SET_EXTERNAL (symbolP);
+ }
demand_empty_rest_of_line ();
}
-#endif /* OBJ_COFF */
-\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
- this location in the TOC; often there is just one more argument, a
- relocateable symbol reference.
-
- When not generating XCOFF output, the arguments are the same, but
- the first argument is simply ignored. */
+/*
+ * implement the .section pseudo op:
+ * .section name {, "flags"}
+ * ^ ^
+ * | +--- optional flags: 'b' for bss
+ * | 'i' for info
+ * +-- section name 'l' for lib
+ * 'n' for noload
+ * 'o' for over
+ * 'w' for data
+ * 'd' (apparently m88k for data)
+ * 'x' for text
+ * But if the argument is not a quoted string, treat it as a
+ * subsegment number.
+ *
+ * FIXME: this is a copy of the section processing from obj-coff.c, with
+ * 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
+ * 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)
+ *
+ * Section Contents:
+ * 'a' - unknown - referred to in documentation, but no definition supplied
+ * 'c' - section has code
+ * 'd' - section has initialized data
+ * 'u' - section has uninitialized data
+ * 'i' - section contains directives (info)
+ * 'n' - section can be discarded
+ * 'R' - remove section at link time
+ *
+ * Section Protection:
+ * 'r' - section is readable
+ * 'w' - section is writeable
+ * 'x' - section is executable
+ * 's' - section is sharable
+ *
+ * Section Alignment:
+ * '0' - align to byte boundary
+ * '1' - align to halfword undary
+ * '2' - align to word boundary
+ * '3' - align to doubleword boundary
+ * '4' - align to quadword boundary
+ * '5' - align to 32 byte boundary
+ * '6' - align to 64 byte boundary
+ *
+ */
-static void
-ppc_tc (ignore)
+void
+ppc_pe_section (ignore)
int ignore;
{
-#ifdef OBJ_COFF
+ /* Strip out the section name */
+ char *section_name;
+ char c;
+ char *name;
+ unsigned int exp;
+ flagword flags;
+ segT sec;
+ int align;
- /* Define the TOC symbol name. */
- {
- char *name;
- char endc;
- symbolS *sym;
+ section_name = input_line_pointer;
+ c = get_symbol_end ();
- if (ppc_toc_csect == (symbolS *) NULL
- || ppc_toc_csect != ppc_current_csect)
- {
- as_bad (".tc not in .toc section");
- ignore_rest_of_line ();
- return;
- }
+ name = xmalloc (input_line_pointer - section_name + 1);
+ strcpy (name, section_name);
- name = input_line_pointer;
- endc = get_symbol_end ();
+ *input_line_pointer = c;
- sym = symbol_find_or_make (name);
+ SKIP_WHITESPACE ();
- *input_line_pointer = endc;
+ exp = 0;
+ flags = SEC_NO_FLAGS;
- if (S_IS_DEFINED (sym))
- {
- symbolS *label;
+ if (strcmp (name, ".idata$2") == 0)
+ {
+ align = 0;
+ }
+ else if (strcmp (name, ".idata$3") == 0)
+ {
+ align = 0;
+ }
+ else if (strcmp (name, ".idata$4") == 0)
+ {
+ align = 2;
+ }
+ else if (strcmp (name, ".idata$5") == 0)
+ {
+ align = 2;
+ }
+ else if (strcmp (name, ".idata$6") == 0)
+ {
+ align = 1;
+ }
+ else
+ align = 4; /* default alignment to 16 byte boundary */
- label = ppc_current_csect->sy_tc.within;
- if (label->sy_tc.class != XMC_TC0)
- {
- as_warn (".tc with no label");
- ignore_rest_of_line ();
- return;
- }
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != '"')
+ exp = get_absolute_expression ();
+ else
+ {
+ ++input_line_pointer;
+ while (*input_line_pointer != '"'
+ && ! is_end_of_line[(unsigned char) *input_line_pointer])
+ {
+ switch (*input_line_pointer)
+ {
+ /* Section Contents */
+ case 'a': /* unknown */
+ as_bad (_("Unsupported section attribute -- 'a'"));
+ break;
+ case 'c': /* code section */
+ flags |= SEC_CODE;
+ break;
+ case 'd': /* section has initialized data */
+ flags |= SEC_DATA;
+ break;
+ case 'u': /* section has uninitialized data */
+ /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA
+ in winnt.h */
+ flags |= SEC_ROM;
+ break;
+ case 'i': /* section contains directives (info) */
+ /* FIXME: This is IMAGE_SCN_LNK_INFO
+ in winnt.h */
+ flags |= SEC_HAS_CONTENTS;
+ break;
+ case 'n': /* section can be discarded */
+ flags &=~ SEC_LOAD;
+ break;
+ case 'R': /* Remove section at link time */
+ flags |= SEC_NEVER_LOAD;
+ break;
+
+ /* Section Protection */
+ case 'r': /* section is readable */
+ flags |= IMAGE_SCN_MEM_READ;
+ break;
+ case 'w': /* section is writeable */
+ flags |= IMAGE_SCN_MEM_WRITE;
+ break;
+ case 'x': /* section is executable */
+ flags |= IMAGE_SCN_MEM_EXECUTE;
+ break;
+ case 's': /* section is sharable */
+ flags |= IMAGE_SCN_MEM_SHARED;
+ break;
+
+ /* Section Alignment */
+ case '0': /* align to byte boundary */
+ flags |= IMAGE_SCN_ALIGN_1BYTES;
+ align = 0;
+ break;
+ case '1': /* align to halfword boundary */
+ flags |= IMAGE_SCN_ALIGN_2BYTES;
+ align = 1;
+ break;
+ case '2': /* align to word boundary */
+ flags |= IMAGE_SCN_ALIGN_4BYTES;
+ align = 2;
+ break;
+ case '3': /* align to doubleword boundary */
+ flags |= IMAGE_SCN_ALIGN_8BYTES;
+ align = 3;
+ break;
+ case '4': /* align to quadword boundary */
+ flags |= IMAGE_SCN_ALIGN_16BYTES;
+ align = 4;
+ break;
+ case '5': /* align to 32 byte boundary */
+ flags |= IMAGE_SCN_ALIGN_32BYTES;
+ align = 5;
+ break;
+ case '6': /* align to 64 byte boundary */
+ flags |= IMAGE_SCN_ALIGN_64BYTES;
+ align = 6;
+ break;
+
+ default:
+ as_bad(_("unknown section attribute '%c'"),
+ *input_line_pointer);
+ break;
+ }
+ ++input_line_pointer;
+ }
+ if (*input_line_pointer == '"')
+ ++input_line_pointer;
+ }
+ }
- S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
- label->sy_frag = sym->sy_frag;
- S_SET_VALUE (label, S_GET_VALUE (sym));
+ sec = subseg_new (name, (subsegT) exp);
- while (! is_end_of_line[(unsigned char) *input_line_pointer])
- ++input_line_pointer;
+ ppc_set_current_section(sec);
- return;
- }
+ if (flags != SEC_NO_FLAGS)
+ {
+ if (! bfd_set_section_flags (stdoutput, sec, flags))
+ as_bad (_("error setting flags for \"%s\": %s"),
+ bfd_section_name (stdoutput, sec),
+ bfd_errmsg (bfd_get_error ()));
+ }
- S_SET_SEGMENT (sym, now_seg);
- sym->sy_frag = frag_now;
- S_SET_VALUE (sym, (valueT) frag_now_fix ());
- sym->sy_tc.class = XMC_TC;
- sym->sy_tc.output = 1;
+ bfd_set_section_alignment(stdoutput, sec, align);
- ppc_frob_label (sym);
- }
+}
-#else /* ! defined (OBJ_COFF) */
+static void
+ppc_pe_function (ignore)
+ int ignore;
+{
+ char *name;
+ char endc;
+ symbolS *ext_sym;
- /* 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;
+ name = input_line_pointer;
+ endc = get_symbol_end ();
- /* Align to a four byte boundary. */
- frag_align (2, 0);
- record_alignment (now_seg, 2);
+ ext_sym = symbol_find_or_make (name);
-#endif /* ! defined (OBJ_COFF) */
+ *input_line_pointer = endc;
- if (*input_line_pointer != ',')
- demand_empty_rest_of_line ();
+ S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
+ SF_SET_FUNCTION (ext_sym);
+ SF_SET_PROCESS (ext_sym);
+ coff_add_linesym (ext_sym);
+
+ demand_empty_rest_of_line ();
+}
+
+static void
+ppc_pe_tocd (ignore)
+ int ignore;
+{
+ if (tocdata_section == 0)
+ {
+ tocdata_section = subseg_new (".tocd", 0);
+ /* FIXME: section flags won't work */
+ bfd_set_section_flags (stdoutput, tocdata_section,
+ (SEC_ALLOC | SEC_LOAD | SEC_RELOC
+ | SEC_READONLY | SEC_DATA ));
+
+ bfd_set_section_alignment (stdoutput, tocdata_section, 2);
+ }
else
{
- ++input_line_pointer;
- cons (4);
+ rdata_section = subseg_new (".tocd", 0);
}
+
+ 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;
+{
+ return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
}
+
+#endif
\f
-#ifdef OBJ_COFF
+#ifdef OBJ_XCOFF
/* XCOFF specific symbol and file handling. */
{
char *s;
+ if (ppc_stab_symbol)
+ return name;
+
for (s = name; *s != '\0' && *s != '{' && *s != '['; s++)
;
if (*s != '\0')
*s = toupper (*s);
if (*s == '\0' || s[1] != '\0')
- as_bad ("bad symbol suffix");
+ as_bad (_("bad symbol suffix"));
*s = ']';
}
ppc_symbol_new_hook (sym)
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->class = -1;
+ tc->real_name = NULL;
+ tc->subseg = 0;
+ tc->align = 0;
+ tc->size = NULL;
+ tc->within = NULL;
+
+ if (ppc_stab_symbol)
+ return;
s = strchr (S_GET_NAME (sym), '[');
if (s == (const char *) NULL)
{
case 'B':
if (strcmp (s, "BS]") == 0)
- sym->sy_tc.class = XMC_BS;
+ tc->class = XMC_BS;
break;
case 'D':
if (strcmp (s, "DB]") == 0)
- sym->sy_tc.class = XMC_DB;
+ tc->class = XMC_DB;
else if (strcmp (s, "DS]") == 0)
- sym->sy_tc.class = XMC_DS;
+ tc->class = XMC_DS;
break;
case 'G':
if (strcmp (s, "GL]") == 0)
- sym->sy_tc.class = XMC_GL;
+ tc->class = XMC_GL;
break;
case 'P':
if (strcmp (s, "PR]") == 0)
- sym->sy_tc.class = XMC_PR;
+ tc->class = XMC_PR;
break;
case 'R':
if (strcmp (s, "RO]") == 0)
- sym->sy_tc.class = XMC_RO;
+ tc->class = XMC_RO;
else if (strcmp (s, "RW]") == 0)
- sym->sy_tc.class = XMC_RW;
+ tc->class = XMC_RW;
break;
case 'S':
if (strcmp (s, "SV]") == 0)
- sym->sy_tc.class = XMC_SV;
+ tc->class = XMC_SV;
break;
case 'T':
if (strcmp (s, "TC]") == 0)
- sym->sy_tc.class = XMC_TC;
+ tc->class = XMC_TC;
else if (strcmp (s, "TI]") == 0)
- sym->sy_tc.class = XMC_TI;
+ tc->class = XMC_TI;
else if (strcmp (s, "TB]") == 0)
- sym->sy_tc.class = XMC_TB;
+ tc->class = XMC_TB;
else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0)
- sym->sy_tc.class = XMC_TC0;
+ tc->class = XMC_TC0;
break;
case 'U':
if (strcmp (s, "UA]") == 0)
- sym->sy_tc.class = XMC_UA;
+ tc->class = XMC_UA;
else if (strcmp (s, "UC]") == 0)
- sym->sy_tc.class = XMC_UC;
+ tc->class = XMC_UC;
break;
case 'X':
if (strcmp (s, "XO]") == 0)
- sym->sy_tc.class = XMC_XO;
+ tc->class = XMC_XO;
break;
}
- if (sym->sy_tc.class == -1)
- as_bad ("Unrecognized symbol suffix");
+ if (tc->class == -1)
+ as_bad (_("Unrecognized symbol suffix"));
}
/* Set the class of a label based on where it is defined. This
{
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)->class == -1)
+ symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->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;
}
}
+/* 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;
+
/* 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
class suffix. Return 1 if the symbol should not be included in the
/* 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
+ if (! symbol_used_in_reloc_p (sym)
+ && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
|| (! S_IS_EXTERNAL (sym)
- && ! sym->sy_tc.output
+ && ! 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);
+ 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, 1);
+ 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
+ && (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_GET_STORAGE_CLASS (sym) != C_BSTAT
&& S_GET_STORAGE_CLASS (sym) != C_ESTAT
+ && S_GET_STORAGE_CLASS (sym) != C_BINCL
+ && S_GET_STORAGE_CLASS (sym) != C_EINCL
&& S_GET_SEGMENT (sym) != ppc_coff_debug_section)
S_SET_STORAGE_CLASS (sym, C_HIDEXT);
/* 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)->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, 1);
+ 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)->class = XMC_RW;
else
- sym->sy_tc.class = XMC_BS;
+ symbol_get_tc (sym)->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;
+ a->x_csect.x_smtyp = XTY_LD;
+ if (symbol_get_tc (sym)->class == -1)
+ symbol_get_tc (sym)->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)->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)->class == XMC_TC0)
next = symbol_next (next);
if (next == (symbolS *) NULL
- || next->sy_tc.class != XMC_TC)
+ || symbol_get_tc (next)->class != XMC_TC)
{
if (ppc_after_toc_frag == (fragS *) NULL)
a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
}
else
{
- resolve_symbol_value (next);
+ resolve_symbol_value (next, 1);
a->x_csect.x_scnlen.l = (S_GET_VALUE (next)
- S_GET_VALUE (sym));
}
abort ();
/* Skip the initial dummy symbol. */
- csect = csect->sy_tc.next;
+ csect = symbol_get_tc (csect)->next;
if (csect == (symbolS *) NULL)
- a->x_csect.x_scnlen.l = 0;
+ {
+ 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, 1);
+ 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)->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)->class;
a->x_csect.x_stab = 0;
a->x_csect.x_snstab = 0;
+
+ /* Don't let the COFF backend resort these symbols. */
+ symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END;
}
else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT)
{
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;
+ ((valueT)
+ coffsymbol (symbol_get_bfdsym
+ (symbol_get_tc (sym)->within))->native));
+ 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;
- resolve_symbol_value (csect);
+ block = symbol_get_tc (sym)->within;
+ csect = symbol_get_tc (block)->within;
+ resolve_symbol_value (csect, 1);
S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect));
}
+ else if (S_GET_STORAGE_CLASS (sym) == C_BINCL
+ || 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 (symbol_get_bfdsym (sym))->native->fix_line = 1;
+ }
return 0;
}
+/* Adjust the symbol table. This creates csect symbols for all
+ absolute symbols. */
+
+void
+ppc_adjust_symtab ()
+{
+ symbolS *sym;
+
+ if (! ppc_saw_abs)
+ return;
+
+ for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
+ {
+ symbolS *csect;
+ int i;
+ union internal_auxent *a;
+
+ if (S_GET_SEGMENT (sym) != absolute_section)
+ continue;
+
+ csect = symbol_create (".abs[XO]", absolute_section,
+ S_GET_VALUE (sym), &zero_address_frag);
+ 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 (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;
+ a->x_csect.x_snhash = 0;
+ a->x_csect.x_smclas = XMC_XO;
+ a->x_csect.x_stab = 0;
+ a->x_csect.x_snstab = 0;
+
+ symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP);
+
+ i = S_GET_NUMBER_AUXILIARY (sym);
+ 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;
+}
+
/* Set the VMA for a section. This is called on all the sections in
turn. */
vma += bfd_section_size (stdoutput, sec);
}
-/* Adjust the file by adding a .debug section if needed. */
-
-void
-ppc_frob_file ()
-{
- if (ppc_debug_name_section_size > 0)
- {
- asection *sec;
-
- sec = bfd_make_section (stdoutput, ".debug");
- if (sec == (asection *) NULL
- || ! bfd_set_section_size (stdoutput, sec,
- ppc_debug_name_section_size)
- || ! bfd_set_section_flags (stdoutput, sec,
- SEC_HAS_CONTENTS | SEC_LOAD))
- as_fatal ("can't make .debug section");
- }
-}
-
-#endif /* OBJ_COFF */
+#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
default:
*sizep = 0;
- return "bad call to md_atof";
+ return _("bad call to md_atof");
}
t = atof_ieee (input_line_pointer, type, words);
int
md_estimate_size_before_relax (fragp, seg)
- fragS *fragp;
- asection *seg;
+ 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;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *sec ATTRIBUTE_UNUSED;
+ fragS *fragp ATTRIBUTE_UNUSED;
{
abort ();
}
/*ARGSUSED*/
symbolS *
md_undefined_symbol (name)
- char *name;
+ char *name ATTRIBUTE_UNUSED;
{
return 0;
}
given a PC relative reloc. */
long
-md_pcrel_from (fixp)
+md_pcrel_from_section (fixp, sec)
fixS *fixp;
+ segT sec ATTRIBUTE_UNUSED;
{
-#ifdef OBJ_ELF
- if (fixp->fx_addsy != (symbolS *) NULL
- && ! S_IS_DEFINED (fixp->fx_addsy))
- return 0;
-#endif
-
return fixp->fx_frag->fr_address + fixp->fx_where;
}
-#ifdef OBJ_COFF
+#ifdef OBJ_XCOFF
/* This is called to see whether a fixup should be adjusted to use a
section symbol. We take the opportunity to change a fixup against
{
valueT val;
- resolve_symbol_value (fix->fx_addsy);
+ resolve_symbol_value (fix->fx_addsy, 1);
val = S_GET_VALUE (fix->fx_addsy);
if (ppc_toc_csect != (symbolS *) NULL
&& fix->fx_addsy != (symbolS *) NULL
sy != (symbolS *) NULL;
sy = symbol_next (sy))
{
- if (sy->sy_tc.class == XMC_TC0)
+ if (symbol_get_tc (sy)->class == XMC_TC0)
continue;
- if (sy->sy_tc.class != XMC_TC)
+ if (symbol_get_tc (sy)->class != XMC_TC)
break;
- resolve_symbol_value (sy);
+ resolve_symbol_value (sy, 1);
if (val == S_GET_VALUE (sy))
{
fix->fx_addsy = sy;
}
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)
+ && symbol_get_tc (fix->fx_addsy)->subseg == 0
+ && symbol_get_tc (fix->fx_addsy)->class != XMC_TC0
+ && symbol_get_tc (fix->fx_addsy)->class != XMC_TC
+ && S_GET_SEGMENT (fix->fx_addsy) != bss_section
+ /* Don't adjust if this is a reloc in the toc section. */
+ && (S_GET_SEGMENT (fix->fx_addsy) != 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;
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 (symbol_get_tc (csect)->next != (symbolS *) NULL
+ && (symbol_get_frag (symbol_get_tc (csect)->next)->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) == S_GET_VALUE (fix->fx_addsy))
+ {
+ 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 = symbol_get_tc (csect)->next;
+ }
fix->fx_offset += (S_GET_VALUE (fix->fx_addsy)
- - csect->sy_frag->fr_address);
+ - symbol_get_frag (csect)->fr_address);
fix->fx_addsy = csect;
}
}
&& S_GET_SEGMENT (fix->fx_addsy) == 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;
+ resolve_symbol_value (symbol_get_frag (fix->fx_addsy)->fr_symbol, 1);
+ fix->fx_offset +=
+ (S_GET_VALUE (fix->fx_addsy)
+ - S_GET_VALUE (symbol_get_frag (fix->fx_addsy)->fr_symbol));
+ fix->fx_addsy = symbol_get_frag (fix->fx_addsy)->fr_symbol;
}
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. */
+
+int
+ppc_force_relocation (fix)
+ 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;
+
+ return 0;
+}
+
+#endif /* OBJ_XCOFF */
/* See whether a symbol is in the TOC section. */
ppc_is_toc_sym (sym)
symbolS *sym;
{
-#ifdef OBJ_COFF
- return sym->sy_tc.class == XMC_TC;
+#ifdef OBJ_XCOFF
+ return symbol_get_tc (sym)->class == XMC_TC;
#else
return strcmp (segment_name (S_GET_SEGMENT (sym)), ".got") == 0;
#endif
{
valueT value;
+#ifdef OBJ_ELF
+ value = *valuep;
+ if (fixp->fx_addsy != NULL)
+ {
+ /* `*valuep' may contain the value of the symbol on which the reloc
+ will be based; we have to remove it. */
+ if (symbol_used_in_reloc_p (fixp->fx_addsy)
+ && S_GET_SEGMENT (fixp->fx_addsy) != absolute_section
+ && S_GET_SEGMENT (fixp->fx_addsy) != undefined_section
+ && ! bfd_is_com_section (S_GET_SEGMENT (fixp->fx_addsy)))
+ value -= S_GET_VALUE (fixp->fx_addsy);
+
+ /* FIXME: Why '+'? Better yet, what exactly is '*valuep'
+ supposed to be? I think this is related to various similar
+ FIXMEs in tc-i386.c and tc-sparc.c. */
+ if (fixp->fx_pcrel)
+ value += fixp->fx_frag->fr_address + fixp->fx_where;
+ }
+ else
+ {
+ fixp->fx_done = 1;
+ }
+#else
/* 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
+ 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 *valuep since bfd_perform_relocation is not being used.
+ use *valuep since bfd_install_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)
{
value = *valuep;
{
/* We can't actually support subtracting a symbol. */
as_bad_where (fixp->fx_file, fixp->fx_line,
- "expression too complex");
+ _("expression too complex"));
}
}
}
+#endif
if ((int) fixp->fx_r_type >= (int) BFD_RELOC_UNUSED)
{
operand = &powerpc_operands[opindex];
-#ifdef OBJ_COFF
+#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
&& 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
+ && symbol_get_tc (fixp->fx_addsy)->subseg != 0
+ && symbol_get_tc (fixp->fx_addsy)->class != XMC_TC
+ && symbol_get_tc (fixp->fx_addsy)->class != XMC_TC0
&& S_GET_SEGMENT (fixp->fx_addsy) != bss_section)
{
value = fixp->fx_offset;
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: Handling 16 bit branches would also be reasonable.
FIXME: Selecting the reloc type is a bit haphazard; perhaps
there should be a new field in the operand table. */
if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
&& operand->bits == 26
&& operand->shift == 0)
fixp->fx_r_type = BFD_RELOC_PPC_B26;
+ else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
+ && operand->bits == 16
+ && operand->shift == 0)
+ fixp->fx_r_type = BFD_RELOC_PPC_B16;
else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
&& operand->bits == 26
&& operand->shift == 0)
fixp->fx_r_type = BFD_RELOC_PPC_BA26;
+ else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
+ && operand->bits == 16
+ && operand->shift == 0)
+ fixp->fx_r_type = BFD_RELOC_PPC_BA16;
else if ((operand->flags & PPC_OPERAND_PARENS) != 0
&& operand->bits == 16
&& operand->shift == 0
}
else
{
- as_bad_where (fixp->fx_file, fixp->fx_line,
- "unresolved expression that must be resolved");
+ 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 type"));
fixp->fx_done = 1;
return 1;
}
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;
- value += fixp->fx_frag->fr_address + fixp->fx_where;
- } /* fall through */
+ 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,
value, 4);
break;
+
case BFD_RELOC_LO16:
+ case BFD_RELOC_16:
+ 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_LO16_BASEREL:
+ case BFD_RELOC_HI16_BASEREL:
+ case BFD_RELOC_HI16_S_BASEREL:
+ case BFD_RELOC_PPC_EMB_NADDR16:
+ case BFD_RELOC_PPC_EMB_NADDR16_LO:
+ case BFD_RELOC_PPC_EMB_NADDR16_HI:
+ case BFD_RELOC_PPC_EMB_NADDR16_HA:
+ case BFD_RELOC_PPC_EMB_SDAI16:
+ case BFD_RELOC_PPC_EMB_SDA2REL:
+ case BFD_RELOC_PPC_EMB_SDA2I16:
+ case BFD_RELOC_PPC_EMB_RELSEC16:
+ case BFD_RELOC_PPC_EMB_RELST_LO:
+ case BFD_RELOC_PPC_EMB_RELST_HI:
+ case BFD_RELOC_PPC_EMB_RELST_HA:
+ case BFD_RELOC_PPC_EMB_RELSDA:
+ case BFD_RELOC_PPC_TOC16:
+ 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,
+ 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)
+ abort ();
+ md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where,
+ value >> 16, 2);
+ break;
case BFD_RELOC_HI16_S:
- case BFD_RELOC_PPC_TOC16:
- case BFD_RELOC_16:
if (fixp->fx_pcrel)
abort ();
-
md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where,
+ (value + 0x8000) >> 16, 2);
+ break;
+
+ /* Because SDA21 modifies the register field, the size is set to 4
+ bytes, rather than 2, so offset it here appropriately */
+ case BFD_RELOC_PPC_EMB_SDA21:
+ if (fixp->fx_pcrel)
+ abort ();
+
+ md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where
+ + ((target_big_endian) ? 2 : 0),
value, 2);
break;
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 ();
+
+ 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"),
+ 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;
+
default:
+ fprintf(stderr,
+ _("Gas failure, reloc value %d\n"), fixp->fx_r_type);
+ fflush(stderr);
abort ();
}
}
fixp->fx_addnumber = 0;
else
{
+#ifdef TE_PE
+ 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));
+#endif
}
#endif
arelent *
tc_gen_reloc (seg, fixp)
- asection *seg;
+ 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;
projects / deliverable / binutils-gdb.git / blobdiff