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authorPaul Brook <paul@codesourcery.com>2007-03-20 20:19:07 +0000
committerPaul Brook <paul@codesourcery.com>2007-03-20 20:19:07 +0000
commitc0d537e0f876ceea4dd6d570f2f916a27ea6c7dd (patch)
tree073ee7432dc621ce258b99790933399c4f29aec2 /bfd/elf32-arm.c
parente29d654a3be2f08f83011918d49a933f4f449cd5 (diff)
downloadgdb-c0d537e0f876ceea4dd6d570f2f916a27ea6c7dd.tar.gz
2007-03-20 Paul Brook <paul@codesourcery.com>
ld/ * emultempl/armelf.em (pic_veneer): New variable. (PARSE_AND_LIST_PROLOGUE): Add OPTION_PIC_VENEER. (PARSE_AND_LIST_ARGS_CASES): Ditto. (PARSE_AND_LIST_LONGOPTS): Add "pic-veneer". (PARSE_AND_LIST_OPTIONS): Ditto. * ld.texinfo: Document --pic-veneer. ld/testsuite/ * ld-arm/arm-elf.exp (ld-arm/arm-elf.exp): Add arm-pic-veneer. * ld-arm/arm-pic-veneer.d: New test. * ld-arm/arm-pic-veneer.s: New test. bfd/ * bfd-in.h (bfd_elf32_arm_set_target_relocs): Update prototype. * bfd-in2.h: Regenerate. * elf32-arm.c (elf32_arm_link_hash_table): Add pic_veneer. (record_arm_to_thumb_glue): Use globals->pic_veneer. (elf32_arm_create_thumb_stub): Ditto. (bfd_elf32_arm_set_target_relocs): Set globals->pic_veneer.
Diffstat (limited to 'bfd/elf32-arm.c')
-rw-r--r--bfd/elf32-arm.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 3be85b1cdd7..be109232235 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -2191,6 +2191,9 @@ struct elf32_arm_link_hash_table
/* Global counter for the number of fixes we have emitted. */
int num_vfp11_fixes;
+ /* Nonzero to force PIC branch veneers. */
+ int pic_veneer;
+
/* The number of bytes in the initial entry in the PLT. */
bfd_size_type plt_header_size;
@@ -2714,7 +2717,8 @@ record_arm_to_thumb_glue (struct bfd_link_info * link_info,
free (tmp_name);
- if ((link_info->shared || globals->root.is_relocatable_executable))
+ if (link_info->shared || globals->root.is_relocatable_executable
+ || globals->pic_veneer)
size = ARM2THUMB_PIC_GLUE_SIZE;
else
size = ARM2THUMB_STATIC_GLUE_SIZE;
@@ -3868,7 +3872,7 @@ bfd_elf32_arm_set_target_relocs (struct bfd *output_bfd,
int fix_v4bx,
int use_blx,
bfd_arm_vfp11_fix vfp11_fix,
- int no_enum_warn)
+ int no_enum_warn, int pic_veneer)
{
struct elf32_arm_link_hash_table *globals;
@@ -3889,6 +3893,7 @@ bfd_elf32_arm_set_target_relocs (struct bfd *output_bfd,
globals->fix_v4bx = fix_v4bx;
globals->use_blx |= use_blx;
globals->vfp11_fix = vfp11_fix;
+ globals->pic_veneer = pic_veneer;
elf32_arm_tdata (output_bfd)->no_enum_size_warning = no_enum_warn;
}
@@ -4127,7 +4132,8 @@ elf32_arm_create_thumb_stub (struct bfd_link_info * info,
--my_offset;
myh->root.u.def.value = my_offset;
- if ((info->shared || globals->root.is_relocatable_executable))
+ if (info->shared || globals->root.is_relocatable_executable
+ || globals->pic_veneer)
{
/* For relocatable objects we can't use absolute addresses,
so construct the address from a relative offset. */