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authorKen Raeburn <raeburn@cygnus>1992-05-26 03:45:31 +0000
committerKen Raeburn <raeburn@cygnus>1992-05-26 03:45:31 +0000
commit8070f29df5b169072265c0a50710f38850d4206c (patch)
treec216b6384991b67e23b488852bb4638131614519 /bfd/reloc.c
parent20edaa8e7791b9c33fa1a6abbca7bec3df4564ca (diff)
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Lots of changes from gas-bfd work. Includes:
* working reloc lookup support * better support for creation of COFF files from scratch * misc doc changes, macro tweaks, "const" additions, typo fixes, etc. * one or two ugly kludges that should get cleaned up (but what's one or two more, in BFD?) See ChangeLog for details.
Diffstat (limited to 'bfd/reloc.c')
-rw-r--r--bfd/reloc.c78
1 files changed, 62 insertions, 16 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 1c715a5..93b2af7 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -295,7 +295,8 @@ CODE_FRAGMENT
. arelent *reloc_entry,
. struct symbol_cache_entry *symbol,
. PTR data,
-. asection *input_section));
+. asection *input_section,
+. bfd *output_bfd ));
.
. {* The textual name of the relocation type. *}
. char *name;
@@ -450,13 +451,14 @@ DEFUN(bfd_perform_relocation,(abfd,
flag = bfd_reloc_undefined;
}
- if (howto->special_function){
+ if (howto->special_function) {
bfd_reloc_status_type cont;
cont = howto->special_function(abfd,
reloc_entry,
symbol,
data,
- input_section);
+ input_section,
+ output_bfd);
if (cont != bfd_reloc_continue) return cont;
}
@@ -676,7 +678,50 @@ CODE_FRAGMENT
. moment probably a 32 bit wide abs address, but the cpu can
. choose. *}
.
-. BFD_RELOC_CTOR
+. BFD_RELOC_CTOR,
+.
+. {* 32 bits wide, simple reloc *}
+. BFD_RELOC_32,
+. {* 32 bits, PC-relative *}
+. BFD_RELOC_32_PCREL,
+.
+. {* High 22 bits of 32-bit value; simple reloc. *}
+. BFD_RELOC_HI22,
+. {* Low 10 bits. *}
+. BFD_RELOC_LO10,
+.
+. {* Reloc types used for i960/b.out. *}
+. BFD_RELOC_24_PCREL,
+. BFD_RELOC_I960_CALLJ,
+.
+. BFD_RELOC_16_PCREL,
+. {* 32-bit pc-relative, shifted right 2 bits (i.e., 30-bit
+. word displacement, e.g. for SPARC) *}
+. BFD_RELOC_32_PCREL_S2,
+.
+. {* now for the sparc/elf codes *}
+. BFD_RELOC_NONE, {* actually used *}
+. BFD_RELOC_SPARC_WDISP22,
+. BFD_RELOC_SPARC22,
+. BFD_RELOC_SPARC13,
+. BFD_RELOC_SPARC_BASE13,
+. BFD_RELOC_SPARC_GOT10,
+. BFD_RELOC_SPARC_GOT13,
+. BFD_RELOC_SPARC_GOT22,
+. BFD_RELOC_SPARC_PC10,
+. BFD_RELOC_SPARC_PC22,
+. BFD_RELOC_SPARC_WPLT30,
+. BFD_RELOC_SPARC_COPY,
+. BFD_RELOC_SPARC_GLOB_DAT,
+. BFD_RELOC_SPARC_JMP_SLOT,
+. BFD_RELOC_SPARC_RELATIVE,
+. BFD_RELOC_SPARC_UA32,
+.
+. {* this one is a.out specific? *}
+. BFD_RELOC_SPARC_BASE22,
+.
+. {* this must be the highest numeric value *}
+. BFD_RELOC_UNUSED
. } bfd_reloc_code_real_type;
*/
@@ -688,8 +733,7 @@ SECTION
SYNOPSIS
CONST struct reloc_howto_struct *
- bfd_reloc_type_lookup
- (CONST bfd_arch_info_type *arch, bfd_reloc_code_type code);
+ bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_type code);
DESCRIPTION
This routine returns a pointer to a howto struct which when
@@ -701,10 +745,10 @@ DESCRIPTION
CONST struct reloc_howto_struct *
DEFUN(bfd_reloc_type_lookup,(arch, code),
- CONST bfd_arch_info_type *arch AND
- bfd_reloc_code_type code)
+ bfd *abfd AND
+ bfd_reloc_code_type code)
{
- return arch->reloc_type_lookup(arch, code);
+ return BFD_SEND (abfd, reloc_type_lookup, (abfd, code));
}
static reloc_howto_type bfd_howto_32 =
@@ -764,7 +808,7 @@ SYNOPSIS
DESCRIPTION
Provides default handling for relaxing for back ends which
- don't do relaxing - ie does nothing
+ don't do relaxing -- i.e., does nothing.
*/
boolean
@@ -786,7 +830,8 @@ INTERNAL_FUNCTION
SYNOPSIS
bfd_byte *
bfd_generic_get_relocated_section_contents(bfd *abfd,
- struct bfd_seclet_struct *seclet)
+ struct bfd_seclet_struct *seclet,
+ bfd_byte *data)
DESCRIPTION
Provides default handling of relocation effort for back ends
@@ -795,9 +840,10 @@ DESCRIPTION
*/
bfd_byte *
-DEFUN(bfd_generic_get_relocated_section_contents,(abfd, seclet),
+DEFUN(bfd_generic_get_relocated_section_contents,(abfd, seclet, data),
bfd *abfd AND
- struct bfd_seclet_struct *seclet)
+ struct bfd_seclet_struct *seclet AND
+ bfd_byte *data)
{
extern bfd_error_vector_type bfd_error_vector;
@@ -805,11 +851,11 @@ DEFUN(bfd_generic_get_relocated_section_contents,(abfd, seclet),
bfd *input_bfd = seclet->u.indirect.section->owner;
asection *input_section = seclet->u.indirect.section;
- bfd_byte *data = (bfd_byte *) bfd_xmalloc(input_section->_raw_size);
+
bfd_size_type reloc_size = bfd_get_reloc_upper_bound(input_bfd,
input_section);
- arelent **reloc_vector = (arelent **) bfd_xmalloc(reloc_size);
+ arelent **reloc_vector = (arelent **) alloca(reloc_size);
/* read in the section */
bfd_get_section_contents(input_bfd,
@@ -862,7 +908,7 @@ DEFUN(bfd_generic_get_relocated_section_contents,(abfd, seclet),
}
}
- free((char *)reloc_vector);
+
return data;