X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Fcoff%2Finternal.h;h=2d41bf9a5f4809742c82ec4304ede9f6b6ac15a7;hb=5f1900811cd0af7cd3bc9052c5013f4edd0e1e45;hp=ff0babd5eb0ef9a0438fcca40feecd97e25c5605;hpb=ae105b8e5a08ce1d22c6c46285e0d00828097bfc;p=deliverable%2Fbinutils-gdb.git diff --git a/include/coff/internal.h b/include/coff/internal.h index ff0babd5eb..2d41bf9a5f 100644 --- a/include/coff/internal.h +++ b/include/coff/internal.h @@ -1,5 +1,21 @@ /* Internal format of COFF object file data structures, for GNU BFD. - This file is part of BFD, the Binary File Descriptor library. */ + This file is part of BFD, the Binary File Descriptor library. + + Copyright 2001 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef GNU_COFF_INTERNAL_H #define GNU_COFF_INTERNAL_H 1 @@ -45,7 +61,7 @@ struct internal_filehdr { struct internal_extra_pe_filehdr pe; - /* standard coff internal info */ + /* Standard coff internal info. */ unsigned short f_magic; /* magic number */ unsigned short f_nscns; /* number of sections */ long f_timdat; /* time & date stamp */ @@ -53,21 +69,21 @@ struct internal_filehdr long f_nsyms; /* number of symtab entries */ unsigned short f_opthdr; /* sizeof(optional hdr) */ unsigned short f_flags; /* flags */ + unsigned short f_target_id; /* (TI COFF specific) */ }; /* Bits for f_flags: - * F_RELFLG relocation info stripped from file - * F_EXEC file is executable (no unresolved external references) - * F_LNNO line numbers stripped from file - * F_LSYMS local symbols stripped from file - * F_AR16WR file is 16-bit little-endian - * F_AR32WR file is 32-bit little-endian - * F_AR32W file is 32-bit big-endian - * F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports - * F_SHROBJ rs/6000 aix: file is a shared object - * F_DLL PE format DLL - */ + F_RELFLG relocation info stripped from file + F_EXEC file is executable (no unresolved external references) + F_LNNO line numbers stripped from file + F_LSYMS local symbols stripped from file + F_AR16WR file is 16-bit little-endian + F_AR32WR file is 32-bit little-endian + F_AR32W file is 32-bit big-endian + F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports + F_SHROBJ rs/6000 aix: file is a shared object + F_DLL PE format DLL. */ #define F_RELFLG (0x0001) #define F_EXEC (0x0002) @@ -80,7 +96,7 @@ struct internal_filehdr #define F_SHROBJ (0x2000) #define F_DLL (0x2000) -/* extra structure which is used in the optional header */ +/* Extra structure which is used in the optional header. */ typedef struct _IMAGE_DATA_DIRECTORY { bfd_vma VirtualAddress; @@ -88,14 +104,20 @@ typedef struct _IMAGE_DATA_DIRECTORY } IMAGE_DATA_DIRECTORY; #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 -/* default image base for NT */ +/* Default image base for NT. */ #define NT_EXE_IMAGE_BASE 0x400000 #define NT_DLL_IMAGE_BASE 0x10000000 +/* Default image base for BeOS. */ +#define BEOS_EXE_IMAGE_BASE 0x80000000 +#define BEOS_DLL_IMAGE_BASE 0x10000000 + /* Extra stuff in a PE aouthdr */ #define PE_DEF_SECTION_ALIGNMENT 0x1000 -#define PE_DEF_FILE_ALIGNMENT 0x200 +#ifndef PE_DEF_FILE_ALIGNMENT +# define PE_DEF_FILE_ALIGNMENT 0x200 +#endif struct internal_extra_pe_aouthdr { @@ -151,7 +173,7 @@ struct internal_aouthdr unsigned long tagentries; /* number of tag entries to follow */ /* RS/6000 stuff */ - unsigned long o_toc; /* address of TOC */ + bfd_vma o_toc; /* address of TOC */ short o_snentry; /* section number for entry point */ short o_sntext; /* section number for text */ short o_sndata; /* section number for data */ @@ -162,8 +184,8 @@ struct internal_aouthdr short o_algndata; /* max alignment for data */ short o_modtype; /* Module type field, 1R,RE,RO */ short o_cputype; /* Encoded CPU type */ - unsigned long o_maxstack; /* max stack size allowed. */ - unsigned long o_maxdata; /* max data size allowed. */ + bfd_vma o_maxstack; /* max stack size allowed. */ + bfd_vma o_maxdata; /* max data size allowed. */ /* ECOFF stuff */ bfd_vma bss_start; /* Base of bss section. */ @@ -177,9 +199,7 @@ struct internal_aouthdr long o_sri; /* Static Resource Information */ long vid[2]; /* Version id */ - struct internal_extra_pe_aouthdr pe; - }; /********************** STORAGE CLASSES **********************/ @@ -215,6 +235,18 @@ struct internal_aouthdr #define C_ALIAS 105 /* duplicate tag */ #define C_HIDDEN 106 /* ext symbol in dmert public lib */ +#if defined _AIX52 || defined AIX_WEAK_SUPPORT +#define C_WEAKEXT 111 /* weak symbol -- AIX standard. */ +#else +#define C_WEAKEXT 127 /* weak symbol -- GNU extension. */ +#endif + +/* New storage classes for TI COFF */ +#define C_UEXT 19 /* Tentative external definition */ +#define C_STATLAB 20 /* Static load time label */ +#define C_EXTLAB 21 /* External load time label */ +#define C_SYSTEM 23 /* System Wide variable */ + /* New storage classes for WINDOWS_NT */ #define C_SECTION 104 /* section name */ #define C_NT_WEAK 105 /* weak external */ @@ -258,6 +290,13 @@ struct internal_aouthdr #define C_BSTAT (0x8f) #define C_ESTAT (0x90) +/* Storage classes for Thumb symbols */ +#define C_THUMBEXT (128 + C_EXT) /* 130 */ +#define C_THUMBSTAT (128 + C_STAT) /* 131 */ +#define C_THUMBLABEL (128 + C_LABEL) /* 134 */ +#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ +#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ + /********************** SECTION HEADER **********************/ #define SCNNMLEN (8) @@ -265,7 +304,13 @@ struct internal_aouthdr struct internal_scnhdr { char s_name[SCNNMLEN]; /* section name */ - bfd_vma s_paddr; /* physical address, aliased s_nlib */ + + /* Physical address, aliased s_nlib. + In the pei format, this field is the virtual section size + (the size of the section after being loaded int memory), + NOT the physical address. */ + bfd_vma s_paddr; + bfd_vma s_vaddr; /* virtual address */ bfd_vma s_size; /* section size */ bfd_vma s_scnptr; /* file ptr to raw data for section */ @@ -275,11 +320,10 @@ struct internal_scnhdr unsigned long s_nlnno; /* number of line number entries*/ long s_flags; /* flags */ long s_align; /* used on I960 */ + unsigned char s_page; /* TI COFF load page */ }; -/* - * s_flags "type" - */ +/* s_flags "type". */ #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ #define STYP_DSECT (0x0001) /* "dummy": relocated only*/ #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ @@ -298,29 +342,27 @@ struct internal_scnhdr #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ #define STYP_LIB (0x0800) /* for .lib: same as INFO */ #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ -#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a - - word of contiguous bytes - beginning on a word boundary. */ +#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions + wherever padding is necessary and there is a + word of contiguous bytes beginning on a word + boundary. */ #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ - /********************** LINE NUMBERS **********************/ /* 1 line number entry for every "breakpointable" source line in a section. - * Line numbers are grouped on a per function basis; first entry in a function - * grouping will have l_lnno = 0 and in place of physical address will be the - * symbol table index of the function name. - */ + Line numbers are grouped on a per function basis; first entry in a function + grouping will have l_lnno = 0 and in place of physical address will be the + symbol table index of the function name. */ struct internal_lineno { union { - long l_symndx; /* function name symbol index, iff l_lnno == 0*/ - long l_paddr; /* (physical) address of line number */ + bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/ + bfd_signed_vma l_paddr; /* (physical) address of line number */ } l_addr; unsigned long l_lnno; /* line number */ }; @@ -343,7 +385,7 @@ struct internal_syment } _n_n; char *_n_nptr[2]; /* allows for overlaying */ } _n; - long n_value; /* value of symbol */ + bfd_vma n_value; /* value of symbol */ short n_scnum; /* section number */ unsigned short n_flags; /* copy of flags from filhdr */ unsigned short n_type; /* type and derived type */ @@ -355,9 +397,8 @@ struct internal_syment #define n_zeroes _n._n_n._n_zeroes #define n_offset _n._n_n._n_offset - /* Relocatable symbols have number of the section in which they are defined, - or one of the following: */ + or one of the following: */ #define N_UNDEF ((short)0) /* undefined symbol */ #define N_ABS ((short)-1) /* value of symbol is absolute */ @@ -365,9 +406,8 @@ struct internal_syment #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ -/* - * Type of a symbol, in low N bits of the word - */ +/* Type of a symbol, in low N bits of the word. */ + #define T_NULL 0 #define T_VOID 1 /* function argument (only used by compiler) */ #define T_CHAR 2 /* character */ @@ -386,22 +426,26 @@ struct internal_syment #define T_ULONG 15 /* unsigned long */ #define T_LNGDBL 16 /* long double */ -/* - * derived types, in n_type -*/ +/* Derived types, in n_type. */ + #define DT_NON (0) /* no derived type */ #define DT_PTR (1) /* pointer */ #define DT_FCN (2) /* function */ #define DT_ARY (3) /* array */ #define BTYPE(x) ((x) & N_BTMASK) - -#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) -#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) -#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) -#define ISTAG(x) ((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG) -#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK)) - +#define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) + +#define ISPTR(x) \ + (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) +#define ISFCN(x) \ + (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) +#define ISARY(x) \ + (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) +#define ISTAG(x) \ + ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) +#define DECREF(x) \ + ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) union internal_auxent { @@ -428,7 +472,7 @@ union internal_auxent { struct { /* if ISFCN, tag, or .bb */ - long x_lnnoptr; /* ptr to fcn line # */ + bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */ union { /* entry ndx past block end */ long l; @@ -479,7 +523,7 @@ union internal_auxent { union { /* csect length or enclosing csect */ - long l; + bfd_signed_vma l; struct coff_ptr_struct *p; } x_scnlen; long x_parmhash; /* parm type hash index */ @@ -559,55 +603,102 @@ struct internal_reloc unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ }; -#define R_RELBYTE 017 -#define R_RELWORD 020 -#define R_PCRBYTE 022 -#define R_PCRWORD 023 -#define R_PCRLONG 024 - -#define R_DIR16 01 -#define R_DIR32 06 -#define R_PCLONG 020 -#define R_RELBYTE 017 -#define R_RELWORD 020 -#define R_IMAGEBASE 07 - - -#define R_PCR16L 128 -#define R_PCR26L 129 -#define R_VRT16 130 -#define R_HVRT16 131 -#define R_LVRT16 132 -#define R_VRT32 133 -#define R_RELLONG (0x11) /* Direct 32-bit relocation */ -#define R_IPRSHORT (0x18) -#define R_IPRMED (0x19) /* 24-bit ip-relative relocation */ -#define R_IPRLONG (0x1a) -#define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */ -#define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */ -#define R_GETSEG (0x1d) -#define R_GETPA (0x1e) -#define R_TAGWORD (0x1f) -#define R_JUMPTARG 0x20 /* strange 29k 00xx00xx reloc */ - - -#define R_MOVB1 0x41 /* Special h8 16bit or 8 bit reloc for mov.b */ -#define R_MOVB2 0x42 /* Special h8 opcode for 8bit which could be 16 */ -#define R_JMP1 0x43 /* Special h8 16bit jmp which could be pcrel */ -#define R_JMP2 0x44 /* a branch which used to be a jmp */ +#define R_DIR16 1 +#define R_REL24 5 +#define R_DIR32 6 +#define R_IMAGEBASE 7 +#define R_RELBYTE 15 +#define R_RELWORD 16 +#define R_RELLONG 17 +#define R_PCRBYTE 18 +#define R_PCRWORD 19 +#define R_PCRLONG 20 +#define R_PCR24 21 +#define R_IPRSHORT 24 +#define R_IPRLONG 26 +#define R_GETSEG 29 +#define R_GETPA 30 +#define R_TAGWORD 31 +#define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */ +#define R_PARTLS16 32 +#define R_PARTMS8 33 + +#define R_PCR16L 128 +#define R_PCR26L 129 +#define R_VRT16 130 +#define R_HVRT16 131 +#define R_LVRT16 132 +#define R_VRT32 133 + + +/* This reloc identifies mov.b instructions with a 16bit absolute + address. The linker tries to turn insns with this reloc into + an absolute 8-bit address. */ +#define R_MOV16B1 0x41 + +/* This reloc identifies mov.b instructions which had a 16bit + absolute address which have been shortened into a 8-bit + absolute address. */ +#define R_MOV16B2 0x42 + +/* This reloc identifies jmp insns with a 16bit target address; + the linker tries to turn these insns into bra insns with + an 8bit pc-relative target. */ +#define R_JMP1 0x43 + +/* This reloc identifies a bra with an 8-bit pc-relative + target that was formerly a jmp insn with a 16bit target. */ +#define R_JMP2 0x44 + +/* ??? */ #define R_RELLONG_NEG 0x45 -#define R_JMPL1 0x46 /* Special h8 24bit jmp which could be pcrel */ -#define R_JMPL_B8 0x47 /* a 8 bit pcrel which used to be a jmp */ +/* This reloc identifies jmp insns with a 24bit target address; + the linker tries to turn these insns into bra insns with + an 8bit pc-relative target. */ +#define R_JMPL1 0x46 + +/* This reloc identifies a bra with an 8-bit pc-relative + target that was formerly a jmp insn with a 24bit target. */ +#define R_JMPL2 0x47 + +/* This reloc identifies mov.b instructions with a 24bit absolute + address. The linker tries to turn insns with this reloc into + an absolute 8-bit address. */ -#define R_MOVLB1 0x48 /* Special h8 24bit or 8 bit reloc for mov.b */ -#define R_MOVLB2 0x49 /* Special h8 opcode for 8bit which could be 24 */ +#define R_MOV24B1 0x48 + +/* This reloc identifies mov.b instructions which had a 24bit + absolute address which have been shortened into a 8-bit + absolute address. */ +#define R_MOV24B2 0x49 /* An h8300 memory indirect jump/call. Forces the address of the jump/call target into the function vector (in page zero), and the address of the vector entry to be placed in the jump/call instruction. */ #define R_MEM_INDIRECT 0x4a +/* This reloc identifies a 16bit pc-relative branch target which was + shortened into an 8bit pc-relative branch target. */ +#define R_PCRWORD_B 0x4b + +/* This reloc identifies mov.[wl] instructions with a 32/24 bit + absolute address; the linker may turn this into a mov.[wl] + insn with a 16bit absolute address. */ +#define R_MOVL1 0x4c + +/* This reloc identifies mov.[wl] insns which formerly had + a 32/24bit absolute address and now have a 16bit absolute address. */ +#define R_MOVL2 0x4d + +/* This reloc identifies a bCC:8 which will have it's condition + inverted and its target redirected to the target of the branch + in the following insn. */ +#define R_BCC_INV 0x4e + +/* This reloc identifies a jmp instruction that has been deleted. */ +#define R_JMP_DEL 0x4f + /* Z8k modes */ #define R_IMM16 0x01 /* 16 bit abs */ #define R_JR 0x02 /* jr 8 bit disp */