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The sparc (and possibly other?) NLM format requires a different way to

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write exports, so add a write_export field to the backend data (and set it
to NULL for everything but the sparc).
This commit is contained in:
Sean Eric Fagan 1994-01-21 19:52:10 +00:00
parent e7cc9a2e9e
commit df561b1494
1 changed files with 61 additions and 4 deletions
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65
bfd/nlm32-sparc.c
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@ -128,13 +128,17 @@ nlm_sparc_read_reloc (abfd, sym, secp, rel)
int index;
unsigned int type;
struct nlm32_sparc_reloc_ext tmp_reloc;
asection *code_sec, *data_sec;
if (bfd_read (&tmp_reloc, 12, 1, abfd) != 12) {
bfd_error = system_call_error;
return false;
}
*secp = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
*secp = code_sec;
val = bfd_get_32 (abfd, tmp_reloc.offset);
addend = bfd_get_32 (abfd, tmp_reloc.addend);
@ -154,7 +158,7 @@ nlm_sparc_read_reloc (abfd, sym, secp, rel)
#ifdef DEBUG
fprintf (stderr, "%s: address = %08lx, addend = %08lx, type = %d, howto = %08lx\n",
__FILE__, rel->address, rel->addend, type, rel->howto);
__FUNCTION__, rel->address, rel->addend, type, rel->howto);
#endif
return true;
@ -207,11 +211,15 @@ nlm_sparc_write_reloc (abfd, sec, rel)
segment. This offset is the section vma, adjusted by the vma of
the lowest section in that segment, plus the address of the
relocation. */
#if 0
val = bfd_get_section_vma (abfd, (*rel->sym_ptr_ptr)->section) + rel->address;
#else
val = bfd_get_section_vma (abfd, sec) + rel->address;
#endif
#ifdef DEBUG
fprintf (stderr, "%s: val = %08lx, addend = %08lx, type = %d\n",
__FILE__, val, rel->addend, rel->howto->type);
__FUNCTION__, val, rel->addend, rel->howto->type);
#endif
bfd_put_32 (abfd, val, tmp_reloc.offset);
bfd_put_32 (abfd, rel->addend, tmp_reloc.addend);
@ -320,8 +328,28 @@ nlm_sparc_write_import (abfd, sec, rel)
arelent *rel;
{
char temp[4];
asection *code, *data, *bss, *symsec;
bfd_vma base;
bfd_put_32 (abfd, (*rel->sym_ptr_ptr)->value, temp);
code = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
data = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
bss = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME);
symsec = (*rel->sym_ptr_ptr)->section;
if (symsec == code) {
base = 0;
} else if (symsec == data) {
base = bfd_section_size (abfd, code);
} else if (symsec == bss) {
base = bfd_section_size (abfd, code) + bfd_section_size (abfd, data);
} else
base = 0;
#ifdef DEBUG
fprintf (stderr, "%s: <%x, 1>\n\t",
__FUNCTION__, base + (*rel->sym_ptr_ptr)->value);
#endif
bfd_put_32 (abfd, base + (*rel->sym_ptr_ptr)->value, temp);
bfd_write ((PTR)temp, 4, 1, abfd);
bfd_put_32 (abfd, 1, temp);
bfd_write ((PTR)temp, 4, 1, abfd);
@ -368,6 +396,33 @@ nlm_sparc_write_external (abfd, count, sym, relocs)
return true;
}
static boolean
nlm_sparc_write_export (abfd, sym, value)
bfd *abfd;
asymbol *sym;
bfd_vma value;
{
bfd_byte len;
bfd_byte temp[4];
#ifdef DEBUG
fprintf (stderr, "%s: <%x, %d, %s>\n",
__FUNCTION__, value, strlen (sym->name), sym->name);
#endif
bfd_put_32 (abfd, value, temp);
len = strlen (sym->name);
if (bfd_write (temp, 4, 1, abfd) != 4
|| bfd_write (&len, 1, 1, abfd) != 1
|| bfd_write (sym->name, len, 1, abfd) != len)
{
bfd_error = system_call_error;
return false;
}
return true;
}
#undef nlm_swap_fixed_header_in
#undef nlm_swap_fixed_header_out
@ -380,6 +435,7 @@ static const struct nlm_backend_data nlm32_sparc_backend =
0, /* optional_prefix_size */
bfd_arch_sparc,
0,
false,
0, /* backend_object_p */
0, /* write_prefix_func */
nlm_sparc_read_reloc,
@ -391,6 +447,7 @@ static const struct nlm_backend_data nlm32_sparc_backend =
nlm_swap_fixed_header_in,
nlm_swap_fixed_header_out,
nlm_sparc_write_external,
nlm_sparc_write_export
};
#define TARGET_BIG_NAME "nlm32-sparc"