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authorAlan Modra <amodra@gmail.com>2008-03-11 23:23:23 +0000
committerAlan Modra <amodra@gmail.com>2008-03-11 23:23:23 +0000
commitcb33740c88ad5fd9e07f243332c511275c15219f (patch)
treebce7dd46370c50810ce310835662665013404f3c /bfd
parent1bce5d2cc6fc0433d2c2ad7a1ae39d72a9825eeb (diff)
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* elf-bfd.h (_bfd_elf_section_from_bfd_section): Update prototype.
* elf.c (_bfd_elf_section_from_bfd_section): Return unsigned int, SHN_BAD on error. (_bfd_elf_print_private_bfd_data): Test for SHN_BAD result from _bfd_elf_section_from_bfd_section, not -1. (swap_out_syms): Likewise. * elflink.c (elf_link_add_object_symbols): Likewise. (bfd_elf_get_bfd_needed_list): Likewise. (bfd_elf_match_symbols_in_sections): Likewise. (elf_link_add_object_symbols): Don't bother testing for symbols using normal sections before calling bfd_section_from_elf_index. (elf_link_input_bfd, bfd_elf_final_link): Likewise. (bfd_elf_reloc_symbol_deleted_p): Likewise. * elfcode.h (elf_slurp_symbol_table): Likewise. * elf32-spu.c (get_sym_h): Likewise. * elf32-xtensa.c (get_elf_r_symndx_section): Likewise. * elf64-ppc.c (opd_entry_value, get_sym_h, ppc64_elf_edit_toc): Ditto. * elf64-sh64.c (sh_elf64_get_relocated_section_contents): Likewise.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog21
-rw-r--r--bfd/elf-bfd.h2
-rw-r--r--bfd/elf.c18
-rw-r--r--bfd/elf32-spu.c9
-rw-r--r--bfd/elf32-xtensa.c5
-rw-r--r--bfd/elf64-ppc.c20
-rw-r--r--bfd/elf64-sh64.c9
-rw-r--r--bfd/elfcode.h27
-rw-r--r--bfd/elflink.c97
9 files changed, 92 insertions, 116 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 936b729..1dca4b7 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,24 @@
+2008-03-12 Alan Modra <amodra@bigpond.net.au>
+
+ * elf-bfd.h (_bfd_elf_section_from_bfd_section): Update prototype.
+ * elf.c (_bfd_elf_section_from_bfd_section): Return unsigned int,
+ SHN_BAD on error.
+ (_bfd_elf_print_private_bfd_data): Test for SHN_BAD result from
+ _bfd_elf_section_from_bfd_section, not -1.
+ (swap_out_syms): Likewise.
+ * elflink.c (elf_link_add_object_symbols): Likewise.
+ (bfd_elf_get_bfd_needed_list): Likewise.
+ (bfd_elf_match_symbols_in_sections): Likewise.
+ (elf_link_add_object_symbols): Don't bother testing for symbols
+ using normal sections before calling bfd_section_from_elf_index.
+ (elf_link_input_bfd, bfd_elf_final_link): Likewise.
+ (bfd_elf_reloc_symbol_deleted_p): Likewise.
+ * elfcode.h (elf_slurp_symbol_table): Likewise.
+ * elf32-spu.c (get_sym_h): Likewise.
+ * elf32-xtensa.c (get_elf_r_symndx_section): Likewise.
+ * elf64-ppc.c (opd_entry_value, get_sym_h, ppc64_elf_edit_toc): Ditto.
+ * elf64-sh64.c (sh_elf64_get_relocated_section_contents): Likewise.
+
2008-03-11 Alan Modra <amodra@bigpond.net.au>
* elf32-spu.c (spu_elf_relocate_section): Test identical conditions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 164cbde..b3d1d38 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1636,7 +1636,7 @@ extern void _bfd_elf_swap_versym_in
extern void _bfd_elf_swap_versym_out
(bfd *, const Elf_Internal_Versym *, Elf_External_Versym *);
-extern int _bfd_elf_section_from_bfd_section
+extern unsigned int _bfd_elf_section_from_bfd_section
(bfd *, asection *);
extern char *bfd_elf_string_from_elf_section
(bfd *, unsigned, unsigned);
diff --git a/bfd/elf.c b/bfd/elf.c
index 54375c2..c697e9e 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -1180,7 +1180,7 @@ _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg)
s = bfd_get_section_by_name (abfd, ".dynamic");
if (s != NULL)
{
- int elfsec;
+ unsigned int elfsec;
unsigned long shlink;
bfd_byte *extdyn, *extdynend;
size_t extdynsize;
@@ -1192,7 +1192,7 @@ _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg)
goto error_return;
elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
- if (elfsec == -1)
+ if (elfsec == SHN_BAD)
goto error_return;
shlink = elf_elfsections (abfd)[elfsec]->sh_link;
@@ -4996,11 +4996,11 @@ _bfd_elf_write_corefile_contents (bfd *abfd)
/* Given a section, search the header to find them. */
-int
+unsigned int
_bfd_elf_section_from_bfd_section (bfd *abfd, struct bfd_section *asect)
{
const struct elf_backend_data *bed;
- int index;
+ unsigned int index;
if (elf_section_data (asect) != NULL
&& elf_section_data (asect)->this_idx != 0)
@@ -5013,7 +5013,7 @@ _bfd_elf_section_from_bfd_section (bfd *abfd, struct bfd_section *asect)
else if (bfd_is_und_section (asect))
index = SHN_UNDEF;
else
- index = -1;
+ index = SHN_BAD;
bed = get_elf_backend_data (abfd);
if (bed->elf_backend_section_from_bfd_section)
@@ -5024,7 +5024,7 @@ _bfd_elf_section_from_bfd_section (bfd *abfd, struct bfd_section *asect)
return retval;
}
- if (index == -1)
+ if (index == SHN_BAD)
bfd_set_error (bfd_error_nonrepresentable_section);
return index;
@@ -6277,7 +6277,7 @@ swap_out_syms (bfd *abfd,
else
{
asection *sec = syms[idx]->section;
- int shndx;
+ unsigned int shndx;
if (sec->output_section)
{
@@ -6324,7 +6324,7 @@ swap_out_syms (bfd *abfd,
{
shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
- if (shndx == -1)
+ if (shndx == SHN_BAD)
{
asection *sec2;
@@ -6348,7 +6348,7 @@ Unable to find equivalent output section for symbol '%s' from section '%s'"),
}
shndx = _bfd_elf_section_from_bfd_section (abfd, sec2);
- BFD_ASSERT (shndx != -1);
+ BFD_ASSERT (shndx != SHN_BAD);
}
}
diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index 99b1b61..93fe0a4 100644
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -409,14 +409,7 @@ get_sym_h (struct elf_link_hash_entry **hp,
*symp = sym;
if (symsecp != NULL)
- {
- asection *symsec = NULL;
- if ((sym->st_shndx != SHN_UNDEF
- && sym->st_shndx < SHN_LORESERVE)
- || sym->st_shndx > SHN_HIRESERVE)
- symsec = bfd_section_from_elf_index (ibfd, sym->st_shndx);
- *symsecp = symsec;
- }
+ *symsecp = bfd_section_from_elf_index (ibfd, sym->st_shndx);
}
return TRUE;
diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c
index ec6d463..0d744c2 100644
--- a/bfd/elf32-xtensa.c
+++ b/bfd/elf32-xtensa.c
@@ -9503,15 +9503,12 @@ get_elf_r_symndx_section (bfd *abfd, unsigned long r_symndx)
if (section_index == SHN_UNDEF)
target_sec = bfd_und_section_ptr;
- else if (section_index > 0 && section_index < SHN_LORESERVE)
- target_sec = bfd_section_from_elf_index (abfd, section_index);
else if (section_index == SHN_ABS)
target_sec = bfd_abs_section_ptr;
else if (section_index == SHN_COMMON)
target_sec = bfd_com_section_ptr;
else
- /* Who knows? */
- target_sec = NULL;
+ target_sec = bfd_section_from_elf_index (abfd, section_index);
}
else
{
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index a196824..8aabad7 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -5026,11 +5026,7 @@ opd_entry_value (asection *opd_sec,
sym += symndx;
val = sym->st_value;
- sec = NULL;
- if ((sym->st_shndx != SHN_UNDEF
- && sym->st_shndx < SHN_LORESERVE)
- || sym->st_shndx > SHN_HIRESERVE)
- sec = bfd_section_from_elf_index (opd_bfd, sym->st_shndx);
+ sec = bfd_section_from_elf_index (opd_bfd, sym->st_shndx);
BFD_ASSERT ((sec->flags & SEC_MERGE) == 0);
}
else
@@ -6060,14 +6056,7 @@ get_sym_h (struct elf_link_hash_entry **hp,
*symp = sym;
if (symsecp != NULL)
- {
- asection *symsec = NULL;
- if ((sym->st_shndx != SHN_UNDEF
- && sym->st_shndx < SHN_LORESERVE)
- || sym->st_shndx > SHN_HIRESERVE)
- symsec = bfd_section_from_elf_index (ibfd, sym->st_shndx);
- *symsecp = symsec;
- }
+ *symsecp = bfd_section_from_elf_index (ibfd, sym->st_shndx);
if (tls_maskp != NULL)
{
@@ -7577,10 +7566,7 @@ ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
for (sym = local_syms;
sym < local_syms + symtab_hdr->sh_info;
++sym)
- if (sym->st_shndx != SHN_UNDEF
- && (sym->st_shndx < SHN_LORESERVE
- || sym->st_shndx > SHN_HIRESERVE)
- && sym->st_value != 0
+ if (sym->st_value != 0
&& bfd_section_from_elf_index (ibfd, sym->st_shndx) == toc)
{
if (skip[sym->st_value >> 3] != (unsigned long) -1)
diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c
index fb5e8c9..a390025 100644
--- a/bfd/elf64-sh64.c
+++ b/bfd/elf64-sh64.c
@@ -1,5 +1,5 @@
/* SuperH SH64-specific support for 64-bit ELF
- Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@@ -2195,17 +2195,12 @@ sh_elf64_get_relocated_section_contents (bfd *output_bfd,
if (isymp->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
- else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
- isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
else if (isymp->st_shndx == SHN_ABS)
isec = bfd_abs_section_ptr;
else if (isymp->st_shndx == SHN_COMMON)
isec = bfd_com_section_ptr;
else
- {
- /* Who knows? */
- isec = NULL;
- }
+ isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
*secpp = isec;
}
diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index 969c25a..bbbffe1 100644
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -1,6 +1,6 @@
/* ELF executable support for BFD.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support, from information published
@@ -1270,19 +1270,6 @@ elf_slurp_symbol_table (bfd *abfd, asymbol **symptrs, bfd_boolean dynamic)
{
sym->symbol.section = bfd_und_section_ptr;
}
- else if (isym->st_shndx < SHN_LORESERVE
- || isym->st_shndx > SHN_HIRESERVE)
- {
- sym->symbol.section = bfd_section_from_elf_index (abfd,
- isym->st_shndx);
- if (sym->symbol.section == NULL)
- {
- /* This symbol is in a section for which we did not
- create a BFD section. Just use bfd_abs_section,
- although it is wrong. FIXME. */
- sym->symbol.section = bfd_abs_section_ptr;
- }
- }
else if (isym->st_shndx == SHN_ABS)
{
sym->symbol.section = bfd_abs_section_ptr;
@@ -1297,7 +1284,17 @@ elf_slurp_symbol_table (bfd *abfd, asymbol **symptrs, bfd_boolean dynamic)
sym->symbol.value = isym->st_size;
}
else
- sym->symbol.section = bfd_abs_section_ptr;
+ {
+ sym->symbol.section
+ = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (sym->symbol.section == NULL)
+ {
+ /* This symbol is in a section for which we did not
+ create a BFD section. Just use bfd_abs_section,
+ although it is wrong. FIXME. */
+ sym->symbol.section = bfd_abs_section_ptr;
+ }
+ }
/* If this is a relocatable file, then the symbol value is
already section relative. */
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 5139799..ed99a5d 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -3472,14 +3472,14 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
{
bfd_byte *dynbuf;
bfd_byte *extdyn;
- int elfsec;
+ unsigned int elfsec;
unsigned long shlink;
if (!bfd_malloc_and_get_section (abfd, s, &dynbuf))
goto error_free_dyn;
elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
- if (elfsec == -1)
+ if (elfsec == SHN_BAD)
goto error_free_dyn;
shlink = elf_elfsections (abfd)[elfsec]->sh_link;
@@ -3820,8 +3820,16 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
if (isym->st_shndx == SHN_UNDEF)
sec = bfd_und_section_ptr;
- else if (isym->st_shndx < SHN_LORESERVE
- || isym->st_shndx > SHN_HIRESERVE)
+ else if (isym->st_shndx == SHN_ABS)
+ sec = bfd_abs_section_ptr;
+ else if (isym->st_shndx == SHN_COMMON)
+ {
+ sec = bfd_com_section_ptr;
+ /* What ELF calls the size we call the value. What ELF
+ calls the value we call the alignment. */
+ value = isym->st_size;
+ }
+ else
{
sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
if (sec == NULL)
@@ -3836,19 +3844,6 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
else if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
value -= sec->vma;
}
- else if (isym->st_shndx == SHN_ABS)
- sec = bfd_abs_section_ptr;
- else if (isym->st_shndx == SHN_COMMON)
- {
- sec = bfd_com_section_ptr;
- /* What ELF calls the size we call the value. What ELF
- calls the value we call the alignment. */
- value = isym->st_size;
- }
- else
- {
- /* Leave it up to the processor backend. */
- }
name = bfd_elf_string_from_elf_section (abfd, hdr->sh_link,
isym->st_name);
@@ -6750,7 +6745,7 @@ bfd_elf_get_bfd_needed_list (bfd *abfd,
{
asection *s;
bfd_byte *dynbuf = NULL;
- int elfsec;
+ unsigned int elfsec;
unsigned long shlink;
bfd_byte *extdyn, *extdynend;
size_t extdynsize;
@@ -6770,7 +6765,7 @@ bfd_elf_get_bfd_needed_list (bfd *abfd,
goto error_return;
elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
- if (elfsec == -1)
+ if (elfsec == SHN_BAD)
goto error_return;
shlink = elf_elfsections (abfd)[elfsec]->sh_link;
@@ -6942,7 +6937,7 @@ bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2,
Elf_Internal_Sym *isym, *isymend;
struct elf_symbol *symtable1 = NULL, *symtable2 = NULL;
bfd_size_type count1, count2, i;
- int shndx1, shndx2;
+ unsigned int shndx1, shndx2;
bfd_boolean result;
bfd1 = sec1->owner;
@@ -6958,7 +6953,7 @@ bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2,
shndx1 = _bfd_elf_section_from_bfd_section (bfd1, sec1);
shndx2 = _bfd_elf_section_from_bfd_section (bfd2, sec2);
- if (shndx1 == -1 || shndx2 == -1)
+ if (shndx1 == SHN_BAD || shndx2 == SHN_BAD)
return FALSE;
bed1 = get_elf_backend_data (bfd1);
@@ -7015,9 +7010,9 @@ bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2,
while (lo < hi)
{
mid = (lo + hi) / 2;
- if ((unsigned int) shndx1 < ssymbuf1[mid].st_shndx)
+ if (shndx1 < ssymbuf1[mid].st_shndx)
hi = mid;
- else if ((unsigned int) shndx1 > ssymbuf1[mid].st_shndx)
+ else if (shndx1 > ssymbuf1[mid].st_shndx)
lo = mid + 1;
else
{
@@ -7034,9 +7029,9 @@ bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2,
while (lo < hi)
{
mid = (lo + hi) / 2;
- if ((unsigned int) shndx2 < ssymbuf2[mid].st_shndx)
+ if (shndx2 < ssymbuf2[mid].st_shndx)
hi = mid;
- else if ((unsigned int) shndx2 > ssymbuf2[mid].st_shndx)
+ else if (shndx2 > ssymbuf2[mid].st_shndx)
lo = mid + 1;
else
{
@@ -7099,12 +7094,12 @@ bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2,
/* Count definitions in the section. */
count1 = 0;
for (isym = isymbuf1, isymend = isym + symcount1; isym < isymend; isym++)
- if (isym->st_shndx == (unsigned int) shndx1)
+ if (isym->st_shndx == shndx1)
symtable1[count1++].u.isym = isym;
count2 = 0;
for (isym = isymbuf2, isymend = isym + symcount2; isym < isymend; isym++)
- if (isym->st_shndx == (unsigned int) shndx2)
+ if (isym->st_shndx == shndx2)
symtable2[count2++].u.isym = isym;
if (count1 == 0 || count2 == 0 || count1 != count2)
@@ -8904,28 +8899,26 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
if (isym->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
- else if (isym->st_shndx < SHN_LORESERVE
- || isym->st_shndx > SHN_HIRESERVE)
- {
- isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
- if (isec
- && isec->sec_info_type == ELF_INFO_TYPE_MERGE
- && ELF_ST_TYPE (isym->st_info) != STT_SECTION)
- isym->st_value =
- _bfd_merged_section_offset (output_bfd, &isec,
- elf_section_data (isec)->sec_info,
- isym->st_value);
- }
else if (isym->st_shndx == SHN_ABS)
isec = bfd_abs_section_ptr;
else if (isym->st_shndx == SHN_COMMON)
isec = bfd_com_section_ptr;
else
{
- /* Don't attempt to output symbols with st_shnx in the
- reserved range other than SHN_ABS and SHN_COMMON. */
- *ppsection = NULL;
- continue;
+ isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
+ if (isec == NULL)
+ {
+ /* Don't attempt to output symbols with st_shnx in the
+ reserved range other than SHN_ABS and SHN_COMMON. */
+ *ppsection = NULL;
+ continue;
+ }
+ else if (isec->sec_info_type == ELF_INFO_TYPE_MERGE
+ && ELF_ST_TYPE (isym->st_info) != STT_SECTION)
+ isym->st_value =
+ _bfd_merged_section_offset (output_bfd, &isec,
+ elf_section_data (isec)->sec_info,
+ isym->st_value);
}
*ppsection = isec;
@@ -10491,13 +10484,10 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
the original st_name with the dynstr_index. */
sym = e->isym;
- if (e->isym.st_shndx != SHN_UNDEF
- && (e->isym.st_shndx < SHN_LORESERVE
- || e->isym.st_shndx > SHN_HIRESERVE))
+ s = bfd_section_from_elf_index (e->input_bfd,
+ e->isym.st_shndx);
+ if (s != NULL)
{
- s = bfd_section_from_elf_index (e->input_bfd,
- e->isym.st_shndx);
-
sym.st_shndx =
elf_section_data (s->output_section)->this_idx;
if (! check_dynsym (abfd, &sym))
@@ -11864,12 +11854,9 @@ bfd_elf_reloc_symbol_deleted_p (bfd_vma offset, void *cookie)
/* Need to: get the symbol; get the section. */
isym = &rcookie->locsyms[r_symndx];
- if (isym->st_shndx < SHN_LORESERVE || isym->st_shndx > SHN_HIRESERVE)
- {
- isec = bfd_section_from_elf_index (rcookie->abfd, isym->st_shndx);
- if (isec != NULL && elf_discarded_section (isec))
- return TRUE;
- }
+ isec = bfd_section_from_elf_index (rcookie->abfd, isym->st_shndx);
+ if (isec != NULL && elf_discarded_section (isec))
+ return TRUE;
}
return FALSE;
}