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authorSteve Chamberlain <sac@cygnus>1992-04-29 19:40:35 +0000
committerSteve Chamberlain <sac@cygnus>1992-04-29 19:40:35 +0000
commit5022aea5df73e56d0d52338024e364a185d96bfc (patch)
tree81183fa181b6177acd466ce692bcc5fa63289af8 /bfd
parent836e9ea06f7f5a2903cced799cfa2832e3ad8f38 (diff)
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* aoutx.h (aout_swap_ext_reloc_out, aout_swap_std_reloc_out)
bout.c (b_out_squirt_out_relocs): treat abs sumbols the right way. * reloc.c (bfd_perform-relocation): don't relocate refs to absolute symbols if doing a partial link.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/bout.c26
-rw-r--r--bfd/reloc.c163
3 files changed, 100 insertions, 96 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index f382987..b2d6d36 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+Wed Apr 29 12:37:07 1992 Steve Chamberlain (sac@thepub.cygnus.com)
+
+ * aoutx.h (aout_swap_ext_reloc_out, aout_swap_std_reloc_out)
+ bout.c (b_out_squirt_out_relocs): treat abs sumbols the right way.
+ * reloc.c (bfd_perform-relocation): don't relocate refs to
+ absolute symbols if doing a partial link.
+
Fri Apr 24 07:35:26 1992 Stu Grossman (grossman at cygnus.com)
* configure.in: Add a29k-amd-udi.
diff --git a/bfd/bout.c b/bfd/bout.c
index 58df3d1..867f2fd 100644
--- a/bfd/bout.c
+++ b/bfd/bout.c
@@ -269,16 +269,14 @@ asymbol *symbol_in;
PTR data;
asection *input_section;
{
- int word = bfd_get_32(abfd, data+reloc_entry->address);
+ int word = bfd_get_32(abfd, (bfd_byte *)data + reloc_entry->address);
aout_symbol_type *symbol = aout_symbol(symbol_in);
if (IS_OTHER(symbol->other)) {
/* Call to a system procedure - replace code with system
- procedure number
- */
-
+ procedure number */
word = CALLS | (symbol->other - 1);
- bfd_put_32(abfd, word, data+reloc_entry->address); /* replace */
+ bfd_put_32(abfd, word, (bfd_byte *)data + reloc_entry->address); /* rplc */
return bfd_reloc_ok;
}
@@ -298,7 +296,7 @@ asection *input_section;
( input_section->output_section->vma + input_section->output_offset))
& BAL_MASK);
- bfd_put_32(abfd, word, data+reloc_entry->address); /* replace */
+ bfd_put_32(abfd, word, (bfd_byte *) data + reloc_entry->address); /* rplc */
return bfd_reloc_ok;
}
return bfd_reloc_continue;
@@ -438,10 +436,10 @@ b_out_slurp_reloc_table (abfd, asect, symbols)
break;
case N_ABS:
case N_ABS | N_EXT:
- bfd_assert(0);
+ BFD_ASSERT(0);
break;
default:
- bfd_assert(0);
+ BFD_ASSERT(0);
break;
}
@@ -511,7 +509,6 @@ else
{
arelent *g = *generic;
unsigned char *raw = (unsigned char *)natptr;
- unsigned int symnum;
asymbol *sym = *(g->sym_ptr_ptr);
asection *output_section = sym->section->output_section;
@@ -532,14 +529,9 @@ else
else {
raw[7] = len_2;
}
- if (output_section == &bfd_abs_section)
- {
- r_extern = 0;
- r_idx = N_ABS;
- r_addend += sym->value;
- }
- else if (output_section == &bfd_com_section
- || output_section == &bfd_und_section)
+ if (output_section == &bfd_com_section
+ output_section == &bfd_abs_section
+ || output_section == &bfd_und_section)
{
/* Fill in symbol */
r_extern = 1;
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 89a92b4..1c715a5 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -247,6 +247,7 @@ SUBSUBSECTION
information that BFD needs to know to tie up a back end's data.
CODE_FRAGMENT
+.struct symbol_cache_entry; {* Forward declaration *}
.
.typedef CONST struct reloc_howto_struct
.{
@@ -289,7 +290,12 @@ CODE_FRAGMENT
. called rather than the normal function. This allows really
. strange relocation methods to be accomodated (eg, i960 callj
. instructions). *}
-. bfd_reloc_status_type (*special_function)();
+. bfd_reloc_status_type EXFUN ((*special_function),
+. (bfd *abfd,
+. arelent *reloc_entry,
+. struct symbol_cache_entry *symbol,
+. PTR data,
+. asection *input_section));
.
. {* The textual name of the relocation type. *}
. char *name;
@@ -431,19 +437,28 @@ DEFUN(bfd_perform_relocation,(abfd,
asymbol *symbol;
symbol = *( reloc_entry->sym_ptr_ptr);
+ if ((symbol->section == &bfd_abs_section)
+ && output_bfd != (bfd *)NULL)
+ {
+ reloc_entry->address += input_section->output_offset;
+
+ return bfd_reloc_ok;
+
+ }
+
if ((symbol->section == &bfd_und_section) && output_bfd == (bfd *)NULL) {
- flag = bfd_reloc_undefined;
- }
+ flag = bfd_reloc_undefined;
+ }
if (howto->special_function){
- bfd_reloc_status_type cont;
- cont = howto->special_function(abfd,
- reloc_entry,
- symbol,
- data,
- input_section);
- if (cont != bfd_reloc_continue) return cont;
- }
+ bfd_reloc_status_type cont;
+ cont = howto->special_function(abfd,
+ reloc_entry,
+ symbol,
+ data,
+ input_section);
+ if (cont != bfd_reloc_continue) return cont;
+ }
/*
Work out which section the relocation is targetted at and the
@@ -452,22 +467,22 @@ DEFUN(bfd_perform_relocation,(abfd,
if (symbol->section == &bfd_com_section) {
- relocation = 0;
- }
+ relocation = 0;
+ }
else {
- relocation = symbol->value;
- }
+ relocation = symbol->value;
+ }
reloc_target_output_section = symbol->section->output_section;
if (output_bfd && howto->partial_inplace==false) {
- output_base = 0;
- }
+ output_base = 0;
+ }
else {
- output_base = reloc_target_output_section->vma;
+ output_base = reloc_target_output_section->vma;
- }
+ }
relocation += output_base + symbol->section->output_offset;
@@ -499,41 +514,41 @@ DEFUN(bfd_perform_relocation,(abfd,
input_section->output_section->vma + input_section->output_offset;
if (howto->pcrel_offset == true) {
- relocation -= reloc_entry->address;
- }
+ relocation -= reloc_entry->address;
+ }
}
if (output_bfd!= (bfd *)NULL) {
- if ( howto->partial_inplace == false) {
- /*
- This is a partial relocation, and we want to apply the relocation
- to the reloc entry rather than the raw data. Modify the reloc
- inplace to reflect what we now know.
- */
- reloc_entry->addend = relocation ;
- reloc_entry->address += input_section->output_offset;
- return flag;
- }
- else
- {
- /* This is a partial relocation, but inplace, so modify the
- reloc record a bit.
-
- If we've relocated with a symbol with a section, change
- into a ref to the section belonging to the symbol
- */
- reloc_entry->addend = relocation ;
- reloc_entry->address += input_section->output_offset;
+ if ( howto->partial_inplace == false) {
+ /*
+ This is a partial relocation, and we want to apply the relocation
+ to the reloc entry rather than the raw data. Modify the reloc
+ inplace to reflect what we now know.
+ */
+ reloc_entry->addend = relocation ;
+ reloc_entry->address += input_section->output_offset;
+ return flag;
+ }
+ else
+ {
+ /* This is a partial relocation, but inplace, so modify the
+ reloc record a bit.
+
+ If we've relocated with a symbol with a section, change
+ into a ref to the section belonging to the symbol
+ */
+ reloc_entry->addend = relocation ;
+ reloc_entry->address += input_section->output_offset;
- }
}
+ }
else
{
- reloc_entry->addend = 0;
-}
+ reloc_entry->addend = 0;
+ }
@@ -586,33 +601,33 @@ DEFUN(bfd_perform_relocation,(abfd,
switch (howto->size)
{
- case 0:
- {
- char x = bfd_get_8(abfd, (char *)data + addr);
- DOIT(x);
- bfd_put_8(abfd,x, (unsigned char *) data + addr);
- }
+ case 0:
+ {
+ char x = bfd_get_8(abfd, (char *)data + addr);
+ DOIT(x);
+ bfd_put_8(abfd,x, (unsigned char *) data + addr);
+ }
break;
- case 1:
- {
- short x = bfd_get_16(abfd, (bfd_byte *)data + addr);
- DOIT(x);
- bfd_put_16(abfd, x, (unsigned char *)data + addr);
- }
+ case 1:
+ {
+ short x = bfd_get_16(abfd, (bfd_byte *)data + addr);
+ DOIT(x);
+ bfd_put_16(abfd, x, (unsigned char *)data + addr);
+ }
break;
- case 2:
- {
- long x = bfd_get_32(abfd, (bfd_byte *) data + addr);
- DOIT(x);
- bfd_put_32(abfd,x, (bfd_byte *)data + addr);
- }
+ case 2:
+ {
+ long x = bfd_get_32(abfd, (bfd_byte *) data + addr);
+ DOIT(x);
+ bfd_put_32(abfd,x, (bfd_byte *)data + addr);
+ }
break;
- case 3:
+ case 3:
/* Do nothing */
break;
- default:
+ default:
return bfd_reloc_other;
}
@@ -745,8 +760,7 @@ SYNOPSIS
boolean bfd_generic_relax_section
(bfd *abfd,
asection *section,
- asymbol **symbols,
- struct bfd_seclet_struct *seclet);
+ asymbol **symbols);
DESCRIPTION
Provides default handling for relaxing for back ends which
@@ -754,11 +768,10 @@ DESCRIPTION
*/
boolean
-DEFUN(bfd_generic_relax_section,(abfd, section, symbols, seclet),
+DEFUN(bfd_generic_relax_section,(abfd, section, symbols),
bfd *abfd AND
asection *section AND
- asymbol **symbols AND
- struct bfd_seclet_struct *seclet)
+ asymbol **symbols)
{
return false;
@@ -787,22 +800,16 @@ DEFUN(bfd_generic_get_relocated_section_contents,(abfd, seclet),
struct bfd_seclet_struct *seclet)
{
extern bfd_error_vector_type bfd_error_vector;
-
-
- asymbol **symbols = 0;
/* Get enough memory to hold the stuff */
bfd *input_bfd = seclet->u.indirect.section->owner;
asection *input_section = seclet->u.indirect.section;
- bfd_byte *data = (bfd_byte *)malloc(input_section->_raw_size);
- bfd_byte *dst = data;
- bfd_byte *prev_dst = data;
- unsigned int gap = 0;
+ 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 **)malloc(reloc_size);
+ arelent **reloc_vector = (arelent **) bfd_xmalloc(reloc_size);
/* read in the section */
bfd_get_section_contents(input_bfd,
@@ -834,8 +841,6 @@ DEFUN(bfd_generic_get_relocated_section_contents,(abfd, seclet),
if (r != bfd_reloc_ok)
{
- asymbol *s;
-
switch (r)
{
case bfd_reloc_undefined: