diff options
Diffstat (limited to 'bfd/libaout.h')
-rw-r--r-- | bfd/libaout.h | 228 |
1 files changed, 102 insertions, 126 deletions
diff --git a/bfd/libaout.h b/bfd/libaout.h index 2b93dbf..87b49e5 100644 --- a/bfd/libaout.h +++ b/bfd/libaout.h @@ -1,6 +1,6 @@ /* BFD back-end data structures for a.out (and similar) files. Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003 + 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. Written by Cygnus Support. @@ -29,51 +29,23 @@ #include "bfdlink.h" -/* Macros for accessing components in an aout header. Saves cluttering - the source with (bfd_vma) and (bfd_byte *) casts. */ - -#define H_PUT_64(abfd, val, where) \ - bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) - -#define H_PUT_32(abfd, val, where) \ - bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) - -#define H_PUT_16(abfd, val, where) \ - bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) +/* Macros for accessing components in an aout header. */ +#define H_PUT_64 bfd_h_put_64 +#define H_PUT_32 bfd_h_put_32 +#define H_PUT_16 bfd_h_put_16 #define H_PUT_8 bfd_h_put_8 - -#define H_PUT_S64(abfd, val, where) \ - bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) - -#define H_PUT_S32(abfd, val, where) \ - bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) - -#define H_PUT_S16(abfd, val, where) \ - bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) - +#define H_PUT_S64 bfd_h_put_signed_64 +#define H_PUT_S32 bfd_h_put_signed_32 +#define H_PUT_S16 bfd_h_put_signed_16 #define H_PUT_S8 bfd_h_put_signed_8 - -#define H_GET_64(abfd, where) \ - bfd_h_get_64 ((abfd), (bfd_byte *) (where)) - -#define H_GET_32(abfd, where) \ - bfd_h_get_32 ((abfd), (bfd_byte *) (where)) - -#define H_GET_16(abfd, where) \ - bfd_h_get_16 ((abfd), (bfd_byte *) (where)) - +#define H_GET_64 bfd_h_get_64 +#define H_GET_32 bfd_h_get_32 +#define H_GET_16 bfd_h_get_16 #define H_GET_8 bfd_h_get_8 - -#define H_GET_S64(abfd, where) \ - bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where)) - -#define H_GET_S32(abfd, where) \ - bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where)) - -#define H_GET_S16(abfd, where) \ - bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where)) - +#define H_GET_S64 bfd_h_get_signed_64 +#define H_GET_S32 bfd_h_get_signed_32 +#define H_GET_S16 bfd_h_get_signed_16 #define H_GET_S8 bfd_h_get_signed_8 /* Parameterize the a.out code based on whether it is being built @@ -249,73 +221,74 @@ struct aout_backend_data struct internal_exec { - long a_info; /* Magic number and flags, packed */ - bfd_vma a_text; /* length of text, in bytes */ - bfd_vma a_data; /* length of data, in bytes */ - bfd_vma a_bss; /* length of uninitialized data area in mem */ - bfd_vma a_syms; /* length of symbol table data in file */ - bfd_vma a_entry; /* start address */ - bfd_vma a_trsize; /* length of text's relocation info, in bytes */ - bfd_vma a_drsize; /* length of data's relocation info, in bytes */ - /* Added for i960 */ - bfd_vma a_tload; /* Text runtime load address */ - bfd_vma a_dload; /* Data runtime load address */ - unsigned char a_talign; /* Alignment of text segment */ - unsigned char a_dalign; /* Alignment of data segment */ - unsigned char a_balign; /* Alignment of bss segment */ - char a_relaxable; /* Enough info for linker relax */ + long a_info; /* Magic number and flags, packed. */ + bfd_vma a_text; /* Length of text, in bytes. */ + bfd_vma a_data; /* Length of data, in bytes. */ + bfd_vma a_bss; /* Length of uninitialized data area in mem. */ + bfd_vma a_syms; /* Length of symbol table data in file. */ + bfd_vma a_entry; /* Start address. */ + bfd_vma a_trsize; /* Length of text's relocation info, in bytes. */ + bfd_vma a_drsize; /* Length of data's relocation info, in bytes. */ + /* Added for i960 */ + bfd_vma a_tload; /* Text runtime load address. */ + bfd_vma a_dload; /* Data runtime load address. */ + unsigned char a_talign; /* Alignment of text segment. */ + unsigned char a_dalign; /* Alignment of data segment. */ + unsigned char a_balign; /* Alignment of bss segment. */ + char a_relaxable; /* Enough info for linker relax. */ }; /* Magic number is written -< MSB > -3130292827262524232221201918171615141312111009080706050403020100 -< FLAGS >< MACHINE TYPE >< MAGIC NUMBER > -*/ + < MSB > + 3130292827262524232221201918171615141312111009080706050403020100 + < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */ + /* Magic number for NetBSD is -<MSB > -3130292827262524232221201918171615141312111009080706050403020100 -< FLAGS >< MACHINE TYPE >< MAGIC NUMBER > -*/ + <MSB > + 3130292827262524232221201918171615141312111009080706050403020100 + < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */ -enum machine_type { +enum machine_type +{ M_UNKNOWN = 0, M_68010 = 1, M_68020 = 2, M_SPARC = 3, /* Skip a bunch so we don't run into any of SUN's numbers. */ /* Make these up for the ns32k. */ - M_NS32032 = (64), /* ns32032 running ? */ - M_NS32532 = (64 + 5), /* ns32532 running mach */ - + M_NS32032 = (64), /* NS32032 running ? */ + M_NS32532 = (64 + 5), /* NS32532 running mach. */ M_386 = 100, - M_29K = 101, /* AMD 29000 */ - M_386_DYNIX = 102, /* Sequent running dynix */ - M_ARM = 103, /* Advanced Risc Machines ARM */ - M_SPARCLET = 131, /* SPARClet = M_SPARC + 128 */ - M_386_NETBSD = 134, /* NetBSD/i386 binary */ - M_68K_NETBSD = 135, /* NetBSD/m68k binary */ - M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */ - M_532_NETBSD = 137, /* NetBSD/ns32k binary */ - M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */ - M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary */ - M_VAX_NETBSD = 140, /* NetBSD/vax binary */ - M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary */ - M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary */ - M_SPARCLET_1 = 147, /* 0x93, reserved */ - M_VAX4K_NETBSD = 150, /* NetBSD/vax 4K pages binary */ - M_MIPS1 = 151, /* MIPS R2000/R3000 binary */ - M_MIPS2 = 152, /* MIPS R4000/R6000 binary */ - M_SPARCLET_2 = 163, /* 0xa3, reserved */ - M_SPARCLET_3 = 179, /* 0xb3, reserved */ - M_SPARCLET_4 = 195, /* 0xc3, reserved */ - M_HP200 = 200, /* HP 200 (68010) BSD binary */ - M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */ - M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary */ - M_SPARCLET_5 = 211, /* 0xd3, reserved */ - M_SPARCLET_6 = 227, /* 0xe3, reserved */ - /* M_SPARCLET_7 = 243 / * 0xf3, reserved */ + M_29K = 101, /* AMD 29000. */ + M_386_DYNIX = 102, /* Sequent running dynix. */ + M_ARM = 103, /* Advanced Risc Machines ARM. */ + M_SPARCLET = 131, /* SPARClet = M_SPARC + 128. */ + M_386_NETBSD = 134, /* NetBSD/i386 binary. */ + M_68K_NETBSD = 135, /* NetBSD/m68k binary. */ + M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary. */ + M_532_NETBSD = 137, /* NetBSD/ns32k binary. */ + M_SPARC_NETBSD = 138, /* NetBSD/sparc binary. */ + M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary. */ + M_VAX_NETBSD = 140, /* NetBSD/vax binary. */ + M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary. */ + M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary. */ + M_SPARCLET_1 = 147, /* 0x93, reserved. */ + M_VAX4K_NETBSD = 150, /* NetBSD/vax 4K pages binary. */ + M_MIPS1 = 151, /* MIPS R2000/R3000 binary. */ + M_MIPS2 = 152, /* MIPS R4000/R6000 binary. */ + M_SPARC64_NETBSD = 156, /* NetBSD/sparc64 binary. */ + M_X86_64_NETBSD = 157, /* NetBSD/amd64 binary. */ + M_SPARCLET_2 = 163, /* 0xa3, reserved. */ + M_SPARCLET_3 = 179, /* 0xb3, reserved. */ + M_SPARCLET_4 = 195, /* 0xc3, reserved. */ + M_HP200 = 200, /* HP 200 (68010) BSD binary. */ + M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary. */ + M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary. */ + M_SPARCLET_5 = 211, /* 0xd3, reserved. */ + M_SPARCLET_6 = 227, /* 0xe3, reserved. */ +/*M_SPARCLET_7 = 243 / * 0xf3, reserved. */ M_SPARCLITE_LE = 243, - M_CRIS = 255 /* Axis CRIS binary. */ + M_CRIS = 255 /* Axis CRIS binary. */ }; #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000) @@ -362,7 +335,8 @@ enum machine_type { ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) #endif -typedef struct aout_symbol { +typedef struct aout_symbol +{ asymbol symbol; short desc; char other; @@ -373,9 +347,10 @@ typedef struct aout_symbol { Various things depend on this struct being around any time an a.out file is being handled. An example is dbxread.c in GDB. */ -struct aoutdata { - struct internal_exec *hdr; /* exec file header */ - aout_symbol_type *symbols; /* symtab for input bfd */ +struct aoutdata +{ + struct internal_exec *hdr; /* Exec file header. */ + aout_symbol_type *symbols; /* Symtab for input bfd. */ /* For ease, we do this. */ asection *textsec; @@ -445,30 +420,31 @@ struct aoutdata { bfd_vma *local_got_offsets; }; -struct aout_data_struct { - struct aoutdata a; - struct internal_exec e; +struct aout_data_struct +{ + struct aoutdata a; + struct internal_exec e; }; -#define adata(bfd) ((bfd)->tdata.aout_data->a) -#define exec_hdr(bfd) (adata(bfd).hdr) -#define obj_aout_symbols(bfd) (adata(bfd).symbols) -#define obj_textsec(bfd) (adata(bfd).textsec) -#define obj_datasec(bfd) (adata(bfd).datasec) -#define obj_bsssec(bfd) (adata(bfd).bsssec) -#define obj_sym_filepos(bfd) (adata(bfd).sym_filepos) -#define obj_str_filepos(bfd) (adata(bfd).str_filepos) -#define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size) -#define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size) -#define obj_aout_subformat(bfd) (adata(bfd).subformat) -#define obj_aout_external_syms(bfd) (adata(bfd).external_syms) -#define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count) -#define obj_aout_sym_window(bfd) (adata(bfd).sym_window) -#define obj_aout_external_strings(bfd) (adata(bfd).external_strings) -#define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size) -#define obj_aout_string_window(bfd) (adata(bfd).string_window) -#define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes) -#define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info) +#define adata(bfd) ((bfd)->tdata.aout_data->a) +#define exec_hdr(bfd) (adata (bfd).hdr) +#define obj_aout_symbols(bfd) (adata (bfd).symbols) +#define obj_textsec(bfd) (adata (bfd).textsec) +#define obj_datasec(bfd) (adata (bfd).datasec) +#define obj_bsssec(bfd) (adata (bfd).bsssec) +#define obj_sym_filepos(bfd) (adata (bfd).sym_filepos) +#define obj_str_filepos(bfd) (adata (bfd).str_filepos) +#define obj_reloc_entry_size(bfd) (adata (bfd).reloc_entry_size) +#define obj_symbol_entry_size(bfd) (adata (bfd).symbol_entry_size) +#define obj_aout_subformat(bfd) (adata (bfd).subformat) +#define obj_aout_external_syms(bfd) (adata (bfd).external_syms) +#define obj_aout_external_sym_count(bfd) (adata (bfd).external_sym_count) +#define obj_aout_sym_window(bfd) (adata (bfd).sym_window) +#define obj_aout_external_strings(bfd) (adata (bfd).external_strings) +#define obj_aout_external_string_size(bfd) (adata (bfd).external_string_size) +#define obj_aout_string_window(bfd) (adata (bfd).string_window) +#define obj_aout_sym_hashes(bfd) (adata (bfd).sym_hashes) +#define obj_aout_dynamic_info(bfd) (adata (bfd).dynamic_info) /* We take the address of the first element of an asymbol to ensure that the macro is only ever applied to an asymbol. */ @@ -630,7 +606,7 @@ extern bfd_boolean NAME(aout,bfd_free_cached_info) #ifndef WRITE_HEADERS #define WRITE_HEADERS(abfd, execp) \ { \ - bfd_size_type text_size; /* dummy vars */ \ + bfd_size_type text_size; /* Dummy vars. */ \ file_ptr text_end; \ if (adata(abfd).magic == undecided_magic) \ NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end); \ @@ -645,7 +621,7 @@ extern bfd_boolean NAME(aout,bfd_free_cached_info) NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \ \ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \ - || bfd_bwrite ((PTR) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \ + || bfd_bwrite ((PTR) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE,\ abfd) != EXEC_BYTES_SIZE) \ return FALSE; \ /* Now write out reloc info, followed by syms and strings. */ \ @@ -660,12 +636,12 @@ extern bfd_boolean NAME(aout,bfd_free_cached_info) return FALSE; \ } \ \ - if (bfd_seek (abfd, (file_ptr) (N_TRELOFF(*execp)), SEEK_SET) != 0) \ + if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0) \ return FALSE; \ if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) \ return FALSE; \ \ - if (bfd_seek (abfd, (file_ptr) (N_DRELOFF(*execp)), SEEK_SET) != 0) \ + if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0) \ return FALSE; \ if (!NAME(aout,squirt_out_relocs) (abfd, obj_datasec (abfd))) \ return FALSE; \ |