/* BFD backend for MIPS BSD (a.out) binaries.
- Copyright 1993, 1994, 1995, 1997, 1998, 1999, 2000
+ Copyright 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
Written by Ralph Campbell.
#include "aout-target.h"
+static bfd_reloc_status_type mips_fix_jmp_addr PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *, bfd *));
+static reloc_howto_type * MY(reloc_howto_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type));
+
+long MY(canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
+
static void
MY(set_arch_mach) (abfd, machtype)
bfd *abfd;
long machine;
/* Determine the architecture and machine type of the object file. */
- switch (machtype) {
-
- case M_MIPS1:
- arch = bfd_arch_mips;
- machine = 3000;
- break;
-
- case M_MIPS2:
- arch = bfd_arch_mips;
- machine = 4000;
- break;
-
- default:
- arch = bfd_arch_obscure;
- machine = 0;
- break;
- }
- bfd_set_arch_mach(abfd, arch, machine);
+ switch (machtype)
+ {
+ case M_MIPS1:
+ arch = bfd_arch_mips;
+ machine = 3000;
+ break;
+
+ case M_MIPS2:
+ arch = bfd_arch_mips;
+ machine = 4000;
+ break;
+
+ default:
+ arch = bfd_arch_obscure;
+ machine = 0;
+ break;
+ }
+
+ bfd_set_arch_mach (abfd, arch, machine);
}
/* Determine the size of a relocation entry, based on the architecture */
static void
-MY(choose_reloc_size) (abfd)
+MY (choose_reloc_size) (abfd)
bfd *abfd;
{
- switch (bfd_get_arch(abfd)) {
- case bfd_arch_sparc:
- case bfd_arch_a29k:
- case bfd_arch_mips:
- obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
- break;
- default:
- obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
- break;
- }
+ switch (bfd_get_arch (abfd))
+ {
+ case bfd_arch_sparc:
+ case bfd_arch_a29k:
+ case bfd_arch_mips:
+ obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
+ break;
+ default:
+ obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+ break;
+ }
}
/* Write an object file in BSD a.out format.
file header, symbols, and relocation. */
static boolean
-MY(write_object_contents) (abfd)
+MY (write_object_contents) (abfd)
bfd *abfd;
{
struct external_exec exec_bytes;
struct internal_exec *execp = exec_hdr (abfd);
/* Magic number, maestro, please! */
- switch (bfd_get_arch(abfd)) {
- case bfd_arch_m68k:
- switch (bfd_get_mach(abfd)) {
- case bfd_mach_m68010:
- N_SET_MACHTYPE(*execp, M_68010);
+ switch (bfd_get_arch (abfd))
+ {
+ case bfd_arch_m68k:
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_m68010:
+ N_SET_MACHTYPE (*execp, M_68010);
+ break;
+ default:
+ case bfd_mach_m68020:
+ N_SET_MACHTYPE (*execp, M_68020);
+ break;
+ }
break;
- default:
- case bfd_mach_m68020:
- N_SET_MACHTYPE(*execp, M_68020);
+ case bfd_arch_sparc:
+ N_SET_MACHTYPE (*execp, M_SPARC);
break;
- }
- break;
- case bfd_arch_sparc:
- N_SET_MACHTYPE(*execp, M_SPARC);
- break;
- case bfd_arch_i386:
- N_SET_MACHTYPE(*execp, M_386);
- break;
- case bfd_arch_a29k:
- N_SET_MACHTYPE(*execp, M_29K);
- break;
- case bfd_arch_mips:
- switch (bfd_get_mach(abfd)) {
- case 4000:
- case 6000:
- N_SET_MACHTYPE(*execp, M_MIPS2);
+ case bfd_arch_i386:
+ N_SET_MACHTYPE (*execp, M_386);
break;
- default:
- N_SET_MACHTYPE(*execp, M_MIPS1);
+ case bfd_arch_a29k:
+ N_SET_MACHTYPE (*execp, M_29K);
+ break;
+ case bfd_arch_mips:
+ switch (bfd_get_mach (abfd))
+ {
+ case 4000:
+ case 6000:
+ N_SET_MACHTYPE (*execp, M_MIPS2);
+ break;
+ default:
+ N_SET_MACHTYPE (*execp, M_MIPS1);
+ break;
+ }
break;
+ default:
+ N_SET_MACHTYPE (*execp, M_UNKNOWN);
}
- break;
- default:
- N_SET_MACHTYPE(*execp, M_UNKNOWN);
- }
- MY(choose_reloc_size) (abfd);
+ MY (choose_reloc_size) (abfd);
- WRITE_HEADERS(abfd, execp);
+ WRITE_HEADERS (abfd, execp);
return true;
}
-/*
- * MIPS relocation types.
- */
+/* MIPS relocation types. */
#define MIPS_RELOC_32 0
#define MIPS_RELOC_JMP 1
#define MIPS_RELOC_WDISP16 2
#define MIPS_RELOC_HI16_S 4
#define MIPS_RELOC_LO16 5
-/*
- * This is only called when performing a BFD_RELOC_MIPS_JMP relocation.
- * The jump destination address is formed from the upper 4 bits of the
- * "current" program counter concatenated with the jump instruction's
- * 26 bit field and two trailing zeros.
- * If the destination address is not in the same segment as the "current"
- * program counter, then we need to signal an error.
- */
+/* This is only called when performing a BFD_RELOC_MIPS_JMP relocation.
+ The jump destination address is formed from the upper 4 bits of the
+ "current" program counter concatenated with the jump instruction's
+ 26 bit field and two trailing zeros.
+ If the destination address is not in the same segment as the "current"
+ program counter, then we need to signal an error. */
+
static bfd_reloc_status_type
mips_fix_jmp_addr (abfd,reloc_entry,symbol,data,input_section,output_bfd)
bfd *abfd ATTRIBUTE_UNUSED;
&& (symbol->flags & BSF_WEAK) == 0)
return bfd_reloc_undefined;
- /*
- * Work out which section the relocation is targetted at and the
- * initial relocation command value.
- */
+ /* Work out which section the relocation is targetted at and the
+ initial relocation command value. */
if (bfd_is_com_section (symbol->section))
relocation = 0;
else
return bfd_reloc_continue;
}
-/*
- * This is only called when performing a BFD_RELOC_HI16_S relocation.
- * We need to see if bit 15 is set in the result. If it is, we add
- * 0x10000 and continue normally. This will compensate for the sign extension
- * when the low bits are added at run time.
- */
+/* This is only called when performing a BFD_RELOC_HI16_S relocation.
+ We need to see if bit 15 is set in the result. If it is, we add
+ 0x10000 and continue normally. This will compensate for the sign extension
+ when the low bits are added at run time. */
+
static bfd_reloc_status_type
mips_fix_hi16_s PARAMS ((bfd *, arelent *, asymbol *, PTR,
asection *, bfd *, char **));
if (output_bfd != (bfd *)NULL)
return bfd_reloc_continue;
- /* If this is an undefined symbol, return error */
+ /* If this is an undefined symbol, return error. */
if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0)
return bfd_reloc_undefined;
- /*
- * Work out which section the relocation is targetted at and the
- * initial relocation command value.
- */
+ /* Work out which section the relocation is targetted at and the
+ initial relocation command value. */
if (bfd_is_com_section (symbol->section))
relocation = 0;
else
}
}
-/*
- * This is just like the standard aoutx.h version but we need to do our
- * own mapping of external reloc type values to howto entries.
- */
+/* This is just like the standard aoutx.h version but we need to do our
+ own mapping of external reloc type values to howto entries. */
long
MY(canonicalize_reloc) (abfd, section, relptr, symbols)
bfd *abfd;
extern reloc_howto_type NAME(aout,ext_howto_table)[];
/* If we have already read in the relocation table, return the values. */
- if (section->flags & SEC_CONSTRUCTOR) {
- arelent_chain *chain = section->constructor_chain;
+ if (section->flags & SEC_CONSTRUCTOR)
+ {
+ arelent_chain *chain = section->constructor_chain;
+
+ for (count = 0; count < section->reloc_count; count++)
+ {
+ *relptr++ = &chain->relent;
+ chain = chain->next;
+ }
+ *relptr = 0;
+ return section->reloc_count;
+ }
- for (count = 0; count < section->reloc_count; count++) {
- *relptr++ = &chain->relent;
- chain = chain->next;
+ if (tblptr && section->reloc_count)
+ {
+ for (count = 0; count++ < section->reloc_count;)
+ *relptr++ = tblptr++;
+ *relptr = 0;
+ return section->reloc_count;
}
- *relptr = 0;
- return section->reloc_count;
- }
- if (tblptr && section->reloc_count) {
- for (count = 0; count++ < section->reloc_count;)
- *relptr++ = tblptr++;
- *relptr = 0;
- return section->reloc_count;
- }
if (!NAME(aout,slurp_reloc_table) (abfd, section, symbols))
return -1;
tblptr = section->relocation;
- /* fix up howto entries */
+ /* fix up howto entries. */
for (count = 0; count++ < section->reloc_count;)
{
c = tblptr->howto - NAME(aout,ext_howto_table);
extern const bfd_target aout_mips_big_vec;
const bfd_target aout_mips_little_vec =
-{
- "a.out-mips-little", /* name */
- bfd_target_aout_flavour,
- BFD_ENDIAN_LITTLE, /* target byte order (little) */
- BFD_ENDIAN_LITTLE, /* target headers byte order (little) */
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
- MY_symbol_leading_char,
- ' ', /* ar_pad_char */
- 15, /* ar_max_namelen */
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+ {
+ "a.out-mips-little", /* name */
+ bfd_target_aout_flavour,
+ BFD_ENDIAN_LITTLE, /* target byte order (little) */
+ BFD_ENDIAN_LITTLE, /* target headers byte order (little) */
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+ MY_symbol_leading_char,
+ ' ', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
{_bfd_dummy_target, MY_object_p, /* bfd_check_format */
- bfd_generic_archive_p, MY_core_file_p},
+ bfd_generic_archive_p, MY_core_file_p},
{bfd_false, MY_mkobject, /* bfd_set_format */
- _bfd_generic_mkarchive, bfd_false},
+ _bfd_generic_mkarchive, bfd_false},
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
+ _bfd_write_archive_contents, bfd_false},
- BFD_JUMP_TABLE_GENERIC (MY),
- BFD_JUMP_TABLE_COPY (MY),
- BFD_JUMP_TABLE_CORE (MY),
- BFD_JUMP_TABLE_ARCHIVE (MY),
- BFD_JUMP_TABLE_SYMBOLS (MY),
- BFD_JUMP_TABLE_RELOCS (MY),
- BFD_JUMP_TABLE_WRITE (MY),
- BFD_JUMP_TABLE_LINK (MY),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ BFD_JUMP_TABLE_GENERIC (MY),
+ BFD_JUMP_TABLE_COPY (MY),
+ BFD_JUMP_TABLE_CORE (MY),
+ BFD_JUMP_TABLE_ARCHIVE (MY),
+ BFD_JUMP_TABLE_SYMBOLS (MY),
+ BFD_JUMP_TABLE_RELOCS (MY),
+ BFD_JUMP_TABLE_WRITE (MY),
+ BFD_JUMP_TABLE_LINK (MY),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
- & aout_mips_big_vec,
+ & aout_mips_big_vec,
- (PTR) MY_backend_data
-};
+ (PTR) MY_backend_data
+ };
const bfd_target aout_mips_big_vec =
-{
- "a.out-mips-big", /* name */
- bfd_target_aout_flavour,
- BFD_ENDIAN_BIG, /* target byte order (big) */
- BFD_ENDIAN_BIG, /* target headers byte order (big) */
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
- MY_symbol_leading_char,
- ' ', /* ar_pad_char */
- 15, /* ar_max_namelen */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+ {
+ "a.out-mips-big", /* name */
+ bfd_target_aout_flavour,
+ BFD_ENDIAN_BIG, /* target byte order (big) */
+ BFD_ENDIAN_BIG, /* target headers byte order (big) */
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+ MY_symbol_leading_char,
+ ' ', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
{_bfd_dummy_target, MY_object_p, /* bfd_check_format */
- bfd_generic_archive_p, MY_core_file_p},
+ bfd_generic_archive_p, MY_core_file_p},
{bfd_false, MY_mkobject, /* bfd_set_format */
- _bfd_generic_mkarchive, bfd_false},
+ _bfd_generic_mkarchive, bfd_false},
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- BFD_JUMP_TABLE_GENERIC (MY),
- BFD_JUMP_TABLE_COPY (MY),
- BFD_JUMP_TABLE_CORE (MY),
- BFD_JUMP_TABLE_ARCHIVE (MY),
- BFD_JUMP_TABLE_SYMBOLS (MY),
- BFD_JUMP_TABLE_RELOCS (MY),
- BFD_JUMP_TABLE_WRITE (MY),
- BFD_JUMP_TABLE_LINK (MY),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- & aout_mips_little_vec,
-
- (PTR) MY_backend_data
-};
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (MY),
+ BFD_JUMP_TABLE_COPY (MY),
+ BFD_JUMP_TABLE_CORE (MY),
+ BFD_JUMP_TABLE_ARCHIVE (MY),
+ BFD_JUMP_TABLE_SYMBOLS (MY),
+ BFD_JUMP_TABLE_RELOCS (MY),
+ BFD_JUMP_TABLE_WRITE (MY),
+ BFD_JUMP_TABLE_LINK (MY),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ & aout_mips_little_vec,
+
+ (PTR) MY_backend_data
+ };
projects / external / binutils.git / blobdiff