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2009-02-24 Joseph Myers <joseph@codesourcery.com>

Browse source 
bfd/
	* elf32-arm.c (PREV_SEC): Update comment.
	(group_sections): Rename argument to stubs_always_after_branch.
	Reverse the list and place stubs at the end of input sections.
	Undefine NEXT_SEC.
	(elf32_arm_size_stubs): Update to use stubs_always_after_branch.

	ld/
	* ld.texinfo (ARM): Document changed meaning of --stub-group-size.
	* emultempl/armelf.em (hook_in_stub): Insert after the input section.
	(elf32_arm_add_stub_section): Update comment.
	(PARSE_AND_LIST_OPTIONS): Update help for --stub-group-size.

2009-02-24  Daniel Jacobowitz  <dan@codesourcery.com>

	ld/testsuite/
	* ld-arm/arm-elf.exp (armeabitests): Update duplicate test names.
	Use normal output files for big-endian.
	* ld-arm/farcall-arm-arm-be.d, ld-arm/farcall-thumb-arm-be.d: Delete.
	* ld-arm/farcall-arm-arm-be8.d, ld-arm/farcall-arm-arm-pic-veneer.d,
	ld-arm/farcall-arm-arm.d, ld-arm/farcall-arm-thumb-blx-pic-veneer.d,
	ld-arm/farcall-arm-thumb-blx.d, ld-arm/farcall-arm-thumb-pic-veneer.d,
	ld-arm/farcall-arm-thumb.d, ld-arm/farcall-group-size2.d,
	ld-arm/farcall-group.d, ld-arm/farcall-mix.d, ld-arm/farcall-mix2.d,
	ld-arm/farcall-thumb-arm-be8.d,
	ld-arm/farcall-thumb-arm-blx-pic-veneer.d,
	ld-arm/farcall-thumb-arm-blx.d, ld-arm/farcall-thumb-arm-short.d,
	ld-arm/farcall-thumb-arm.d,
	ld-arm/farcall-thumb-thumb-blx-pic-veneer.d,
	ld-arm/farcall-thumb-thumb-blx.d, ld-arm/farcall-thumb-thumb-m.d,
	ld-arm/farcall-thumb-thumb.d, ld-arm/thumb2-bl-as-thumb1-bad.d,
	ld-arm/thumb2-bl-bad.d: Update for moved stubs.
This commit is contained in:
Daniel Jacobowitz 2009-02-24 22:43:10 +00:00
parent 2509a395cb
commit 07d72278cd
31 changed files with 346 additions and 288 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
bfd/ChangeLog
View file

@ -1,3 +1,11 @@
2009-02-24 Joseph Myers <joseph@codesourcery.com>
* elf32-arm.c (PREV_SEC): Update comment.
(group_sections): Rename argument to stubs_always_after_branch.
Reverse the list and place stubs at the end of input sections.
Undefine NEXT_SEC.
(elf32_arm_size_stubs): Update to use stubs_always_after_branch.
2009-02-23 Daniel Jacobowitz <dan@codesourcery.com>
* elf32-arm.c (arm_build_one_stub): Initialize stub_reloc_offset.

76
bfd/elf32-arm.c
View file

@ -3417,7 +3417,7 @@ elf32_arm_next_input_section (struct bfd_link_info *info,
/* Steal the link_sec pointer for our list. */
#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
/* This happens to make the list in reverse order,
which is what we want. */
which we reverse later. */
PREV_SEC (isec) = *list;
*list = isec;
}
@ -3426,7 +3426,7 @@ elf32_arm_next_input_section (struct bfd_link_info *info,
/* See whether we can group stub sections together. Grouping stub
sections may result in fewer stubs. More importantly, we need to
put all .init* and .fini* stubs at the beginning of the .init or
put all .init* and .fini* stubs at the end of the .init or
.fini output sections respectively, because glibc splits the
_init and _fini functions into multiple parts. Putting a stub in
the middle of a function is not a good idea. */
@ -3434,66 +3434,86 @@ elf32_arm_next_input_section (struct bfd_link_info *info,
static void
group_sections (struct elf32_arm_link_hash_table *htab,
bfd_size_type stub_group_size,
bfd_boolean stubs_always_before_branch)
bfd_boolean stubs_always_after_branch)
{
asection **list = htab->input_list + htab->top_index;
asection **list = htab->input_list;
do
{
asection *tail = *list;
asection *head;
asection *tp;
if (tail == bfd_abs_section_ptr)
continue;
while (tail != NULL)
/* Reverse the list: we must avoid placing stubs at the
beginning of the section because the beginning of the text
section may be required for an interrupt vector in bare metal
code. */
#define NEXT_SEC PREV_SEC
head = tail;
tp = NULL;
for (;;)
{
asection *h = PREV_SEC (head);
NEXT_SEC (head) = tp;
if (h == NULL)
break;
tp = head;
head = h;
}
while (head != NULL)
{
asection *curr;
asection *prev;
asection *next;
bfd_size_type total;
curr = tail;
total = tail->size;
while ((prev = PREV_SEC (curr)) != NULL
&& ((total += curr->output_offset - prev->output_offset)
curr = head;
total = head->size;
while ((next = NEXT_SEC (curr)) != NULL
&& ((total += next->output_offset - curr->output_offset)
< stub_group_size))
curr = prev;
curr = next;
/* OK, the size from the start of CURR to the end is less
/* OK, the size from the start to the start of CURR is less
than stub_group_size and thus can be handled by one stub
section. (Or the tail section is itself larger than
section. (Or the head section is itself larger than
stub_group_size, in which case we may be toast.)
We should really be keeping track of the total size of
stubs added here, as stubs contribute to the final output
section size. */
do
{
prev = PREV_SEC (tail);
next = NEXT_SEC (head);
/* Set up this stub group. */
htab->stub_group[tail->id].link_sec = curr;
htab->stub_group[head->id].link_sec = curr;
}
while (tail != curr && (tail = prev) != NULL);
while (head != curr && (head = next) != NULL);
/* But wait, there's more! Input sections up to stub_group_size
bytes before the stub section can be handled by it too. */
if (!stubs_always_before_branch)
bytes after the stub section can be handled by it too. */
if (!stubs_always_after_branch)
{
total = 0;
while (prev != NULL
&& ((total += tail->output_offset - prev->output_offset)
while (next != NULL
&& ((total += next->output_offset - head->output_offset)
< stub_group_size))
{
tail = prev;
prev = PREV_SEC (tail);
htab->stub_group[tail->id].link_sec = curr;
head = next;
next = NEXT_SEC (head);
htab->stub_group[head->id].link_sec = curr;
}
}
tail = prev;
head = next;
}
}
while (list-- != htab->input_list);
while (list++ != htab->input_list + htab->top_index);
free (htab->input_list);
#undef PREV_SEC
#undef NEXT_SEC
}
/* Determine and set the size of the stub section for a final link.
@ -3511,7 +3531,7 @@ elf32_arm_size_stubs (bfd *output_bfd,
void (*layout_sections_again) (void))
{
bfd_size_type stub_group_size;
bfd_boolean stubs_always_before_branch;
bfd_boolean stubs_always_after_branch;
bfd_boolean stub_changed = 0;
struct elf32_arm_link_hash_table *htab = elf32_arm_hash_table (info);
@ -3524,7 +3544,7 @@ elf32_arm_size_stubs (bfd *output_bfd,
htab->stub_bfd = stub_bfd;
htab->add_stub_section = add_stub_section;
htab->layout_sections_again = layout_sections_again;
stubs_always_before_branch = group_size < 0;
stubs_always_after_branch = group_size < 0;
if (group_size < 0)
stub_group_size = -group_size;
else
@ -3544,7 +3564,7 @@ elf32_arm_size_stubs (bfd *output_bfd,
stub_group_size = 4170000;
}
group_sections (htab, stub_group_size, stubs_always_before_branch);
group_sections (htab, stub_group_size, stubs_always_after_branch);
while (1)
{

7
ld/ChangeLog
View file

@ -1,3 +1,10 @@
2009-02-24 Joseph Myers <joseph@codesourcery.com>
* ld.texinfo (ARM): Document changed meaning of --stub-group-size.
* emultempl/armelf.em (hook_in_stub): Insert after the input section.
(elf32_arm_add_stub_section): Update comment.
(PARSE_AND_LIST_OPTIONS): Update help for --stub-group-size.
2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
* ld.texinfo (Options): Correct typos in example. Recommend

10
ld/emultempl/armelf.em
View file

@ -213,9 +213,9 @@ hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
if (l->input_section.section == info->input_section)
{
/* We've found our section. Insert the stub immediately
before its associated input section. */
*lp = info->add.head;
*(info->add.tail) = l;
after its associated input section. */
*(info->add.tail) = l->header.next;
l->header.next = info->add.head;
return TRUE;
}
break;
@ -244,7 +244,7 @@ hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
/* Call-back for elf32_arm_size_stubs. */
/* Create a new stub section, and arrange for it to be linked
immediately before INPUT_SECTION. */
immediately after INPUT_SECTION. */
static asection *
elf32_arm_add_stub_section (const char *stub_sec_name,
@ -541,7 +541,7 @@ PARSE_AND_LIST_OPTIONS='
fprintf (file, _("\
--stub-group-size=N Maximum size of a group of input sections that can be\n\
handled by one stub section. A negative value\n\
locates all stubs before their branches (with a\n\
locates all stubs after their branches (with a\n\
group size of -N), while a positive value allows\n\
two groups of input sections, one before, and one\n\
after each stub section. Values of +/-1 indicate\n\

2
ld/ld.texinfo
View file

@ -5826,7 +5826,7 @@ where they should be placed.
The value of @samp{N}, the parameter to the
@option{--stub-group-size=} option controls where the stub groups are
placed. If it is negative then all stubs are placed before the first
placed. If it is negative then all stubs are placed after the first
branch that needs them. If it is positive then the stubs can be
placed either before or after the branches that need them. If the
value of @samp{N} is 1 (either +1 or -1) then the linker will choose

19
ld/testsuite/ChangeLog
View file

@ -1,3 +1,22 @@
2009-02-24 Daniel Jacobowitz <dan@codesourcery.com>
* ld-arm/arm-elf.exp (armeabitests): Update duplicate test names.
Use normal output files for big-endian.
* ld-arm/farcall-arm-arm-be.d, ld-arm/farcall-thumb-arm-be.d: Delete.
* ld-arm/farcall-arm-arm-be8.d, ld-arm/farcall-arm-arm-pic-veneer.d,
ld-arm/farcall-arm-arm.d, ld-arm/farcall-arm-thumb-blx-pic-veneer.d,
ld-arm/farcall-arm-thumb-blx.d, ld-arm/farcall-arm-thumb-pic-veneer.d,
ld-arm/farcall-arm-thumb.d, ld-arm/farcall-group-size2.d,
ld-arm/farcall-group.d, ld-arm/farcall-mix.d, ld-arm/farcall-mix2.d,
ld-arm/farcall-thumb-arm-be8.d,
ld-arm/farcall-thumb-arm-blx-pic-veneer.d,
ld-arm/farcall-thumb-arm-blx.d, ld-arm/farcall-thumb-arm-short.d,
ld-arm/farcall-thumb-arm.d,
ld-arm/farcall-thumb-thumb-blx-pic-veneer.d,
ld-arm/farcall-thumb-thumb-blx.d, ld-arm/farcall-thumb-thumb-m.d,
ld-arm/farcall-thumb-thumb.d, ld-arm/thumb2-bl-as-thumb1-bad.d,
ld-arm/thumb2-bl-bad.d: Update for moved stubs.
2009-02-23 Daniel Jacobowitz <dan@codesourcery.com>
* ld-arm/arm-elf.exp (armeabitests): Run new tests. Correct BE8 output

6
ld/testsuite/ld-arm/arm-elf.exp
View file

@ -198,7 +198,7 @@ if { ![istarget "arm*-*-*eabi"] } {
{"Thumb-2-as-Thumb-1 BL" "-Ttext 0x1000 --section-start .foo=0x100100c" "" {thumb2-bl-as-thumb1-bad.s}
{{objdump -d thumb2-bl-as-thumb1-bad-noeabi.d}}
"thumb2-bl-as-thumb1-bad"}
{"Thumb-2 BL" "-Ttext 0x1000 --section-start .foo=0x100100c" "" {thumb2-bl-bad.s}
{"Thumb-2 BL bad" "-Ttext 0x1000 --section-start .foo=0x100100c" "" {thumb2-bl-bad.s}
{{objdump -d thumb2-bl-bad-noeabi.d}}
"thumb2-bl-bad"}
}
@ -268,7 +268,7 @@ set armeabitests {
{{objdump -d farcall-arm-arm-be8.d}}
"farcall-arm-arm-be8"}
{"ARM-ARM farcall (BE)" "-Ttext 0x1000 --section-start .foo=0x2001020 -EB" "-EB" {farcall-arm-arm.s}
{{objdump -d farcall-arm-arm-be.d}}
{{objdump -d farcall-arm-arm.d}}
"farcall-arm-arm-be"}
{"ARM-Thumb farcall" "-Ttext 0x1000 --section-start .foo=0x2001014" "" {farcall-arm-thumb.s}
@ -304,7 +304,7 @@ set armeabitests {
{{objdump -d farcall-thumb-arm-be8.d}}
"farcall-thumb-arm-be8"}
{"Thumb-ARM farcall (BE)" "-Ttext 0x1000 --section-start .foo=0x2001014 -EB" "-W -EB" {farcall-thumb-arm.s}
{{objdump -d farcall-thumb-arm-be.d}}
{{objdump -d farcall-thumb-arm.d}}
"farcall-thumb-arm-be"}
{"Thumb-ARM (short) call" "-Ttext 0x1000 --section-start .foo=0x0002014" "-W" {farcall-thumb-arm-short.s}
{{objdump -d farcall-thumb-arm-short.d}}

14
ld/testsuite/ld-arm/farcall-arm-arm-be.d
View file

@ -1,14 +0,0 @@
.*: file format .*
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_veneer\+0x4>
1004: 02001020 .word 0x02001020
00001008 <_start>:
1008: ebfffffc bl 1000 <__bar_veneer>
Disassembly of section .foo:
02001020 <bar>:
2001020: e12fff1e bx lr

11
ld/testsuite/ld-arm/farcall-arm-arm-be8.d
View file

@ -2,12 +2,13 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: 04f01fe5 ldr pc, \[pc, #-4\] ; 1004 <__bar_veneer\+0x4>
1004: 02001020 .word 0x02001020
00001000 <_start>:
1000: 000000eb bl 1008 <__bar_veneer>
1004: 00000000 andeq r0, r0, r0
00001008 <_start>:
1008: fcffffeb bl 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: 04f01fe5 ldr pc, \[pc, #-4\] ; 100c <__bar_veneer\+0x4>
100c: 02001020 .word 0x02001020
Disassembly of section .foo:
02001020 <bar>:

15
ld/testsuite/ld-arm/farcall-arm-arm-pic-veneer.d
View file

@ -2,14 +2,15 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <__bar_veneer\+0x8>
1004: e08ff00c add pc, pc, ip
1008: 02000014 .word 0x02000014
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_veneer>
1004: 00000000 andeq r0, r0, r0
00001010 <_start>:
1010: ebfffffa bl 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_veneer\+0x8>
100c: e08ff00c add pc, pc, ip
1010: 0200000c .word 0x0200000c
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001020 <bar>:

11
ld/testsuite/ld-arm/farcall-arm-arm.d
View file

@ -2,12 +2,13 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_veneer\+0x4>
1004: 02001020 .word 0x02001020
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_veneer>
1004: 00000000 andeq r0, r0, r0
00001008 <_start>:
1008: ebfffffc bl 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar_veneer\+0x4>
100c: 02001020 .word 0x02001020
Disassembly of section .foo:
02001020 <bar>:

15
ld/testsuite/ld-arm/farcall-arm-thumb-blx-pic-veneer.d
View file

@ -2,14 +2,15 @@
Disassembly of section .text:
00001000 <__bar_from_arm>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <__bar_from_arm\+0x8>
1004: e08ff00c add pc, pc, ip
1008: 02000009 .word 0x02000009
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_from_arm>
1004: 00000000 andeq r0, r0, r0
00001010 <_start>:
1010: ebfffffa bl 1000 <__bar_from_arm>
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e08ff00c add pc, pc, ip
1010: 02000001 .word 0x02000001
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

11
ld/testsuite/ld-arm/farcall-arm-thumb-blx.d
View file

@ -2,12 +2,13 @@
Disassembly of section .text:
00001000 <__bar_from_arm>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_from_arm\+0x4>
1004: 02001015 .word 0x02001015
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_from_arm>
1004: 00000000 andeq r0, r0, r0
00001008 <_start>:
1008: ebfffffc bl 1000 <__bar_from_arm>
00001008 <__bar_from_arm>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar_from_arm\+0x4>
100c: 02001015 .word 0x02001015
Disassembly of section .foo:
02001014 <bar>:

15
ld/testsuite/ld-arm/farcall-arm-thumb-pic-veneer.d
View file

@ -2,14 +2,15 @@
Disassembly of section .text:
00001000 <__bar_from_arm>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <__bar_from_arm\+0x8>
1004: e08ff00c add pc, pc, ip
1008: 02000009 .word 0x02000009
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_from_arm>
1004: 00000000 andeq r0, r0, r0
00001010 <_start>:
1010: ebfffffa bl 1000 <__bar_from_arm>
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e08ff00c add pc, pc, ip
1010: 02000001 .word 0x02000001
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

15
ld/testsuite/ld-arm/farcall-arm-thumb.d
View file

@ -2,14 +2,15 @@
Disassembly of section .text:
00001000 <__bar_from_arm>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <__bar_from_arm\+0x8>
1004: e12fff1c bx ip
1008: 02001015 .word 0x02001015
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_from_arm>
1004: 00000000 andeq r0, r0, r0
00001010 <_start>:
1010: ebfffffa bl 1000 <__bar_from_arm>
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e12fff1c bx ip
1010: 02001015 .word 0x02001015
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

54
ld/testsuite/ld-arm/farcall-group-size2.d
View file

@ -3,35 +3,35 @@
Disassembly of section .text:
00001000 <__bar2_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar2_veneer\+0x4>
1004: 02003024 .word 0x02003024
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e12fff1c bx ip
1010: 02003021 .word 0x02003021
1014: 00000000 .word 0x00000000
00001018 <_start>:
1018: ebfffffa bl 1008 <__bar_from_arm>
101c: ebfffff7 bl 1000 <__bar2_veneer>
00001020 <__bar3_veneer>:
1020: e51ff004 ldr pc, \[pc, #-4\] ; 1024 <__bar3_veneer\+0x4>
1024: 02003028 .word 0x02003028
00001028 <__bar5_from_arm>:
1028: e59fc000 ldr ip, \[pc, #0\] ; 1030 <__bar5_from_arm\+0x8>
102c: e12fff1c bx ip
1030: 0200302f .word 0x0200302f
00001034 <__bar4_from_arm>:
1034: e59fc000 ldr ip, \[pc, #0\] ; 103c <__bar4_from_arm\+0x8>
1038: e12fff1c bx ip
103c: 0200302d .word 0x0200302d
00001000 <_start>:
1000: eb000002 bl 1010 <__bar_from_arm>
1004: ebffffff bl 1008 <__bar2_veneer>
00001008 <__bar2_veneer>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar2_veneer\+0x4>
100c: 02003024 .word 0x02003024
00001010 <__bar_from_arm>:
1010: e59fc000 ldr ip, \[pc, #0\] ; 1018 <__bar_from_arm\+0x8>
1014: e12fff1c bx ip
1018: 02003021 .word 0x02003021
101c: 00000000 .word 0x00000000
00001020 <myfunc>:
1020: eb000002 bl 1030 <__bar3_veneer>
1024: eb000006 bl 1044 <__bar4_from_arm>
1028: eb000002 bl 1038 <__bar5_from_arm>
102c: 00000000 andeq r0, r0, r0
00001030 <__bar3_veneer>:
1030: e51ff004 ldr pc, \[pc, #-4\] ; 1034 <__bar3_veneer\+0x4>
1034: 02003028 .word 0x02003028
00001038 <__bar5_from_arm>:
1038: e59fc000 ldr ip, \[pc, #0\] ; 1040 <__bar5_from_arm\+0x8>
103c: e12fff1c bx ip
1040: 0200302f .word 0x0200302f
00001044 <__bar4_from_arm>:
1044: e59fc000 ldr ip, \[pc, #0\] ; 104c <__bar4_from_arm\+0x8>
1048: e12fff1c bx ip
104c: 0200302d .word 0x0200302d
...
00001048 <myfunc>:
1048: ebfffff4 bl 1020 <__bar3_veneer>
104c: ebfffff8 bl 1034 <__bar4_from_arm>
1050: ebfffff4 bl 1028 <__bar5_from_arm>
Disassembly of section .foo:
02003020 <bar>:

55
ld/testsuite/ld-arm/farcall-group.d
View file

@ -3,34 +3,35 @@
Disassembly of section .text:
00001000 <__bar2_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar2_veneer\+0x4>
1004: 02003024 .word 0x02003024
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e12fff1c bx ip
1010: 02003021 .word 0x02003021
00001014 <__bar3_veneer>:
1014: e51ff004 ldr pc, \[pc, #-4\] ; 1018 <__bar3_veneer\+0x4>
1018: 02003028 .word 0x02003028
0000101c <__bar4_from_arm>:
101c: e59fc000 ldr ip, \[pc, #0\] ; 1024 <__bar4_from_arm\+0x8>
1020: e12fff1c bx ip
1024: 0200302d .word 0x0200302d
00001028 <__bar5_from_arm>:
1028: e59fc000 ldr ip, \[pc, #0\] ; 1030 <__bar5_from_arm\+0x8>
102c: e12fff1c bx ip
1030: 0200302f .word 0x0200302f
00001000 <_start>:
1000: eb000007 bl 1024 <__bar_from_arm>
1004: eb00000c bl 103c <__bar2_veneer>
00001008 <myfunc>:
1008: eb00000d bl 1044 <__bar3_veneer>
100c: eb000007 bl 1030 <__bar4_from_arm>
1010: eb000000 bl 1018 <__bar5_from_arm>
1014: 00000000 andeq r0, r0, r0
00001018 <__bar5_from_arm>:
1018: e59fc000 ldr ip, \[pc, #0\] ; 1020 <__bar5_from_arm\+0x8>
101c: e12fff1c bx ip
1020: 0200302f .word 0x0200302f
00001024 <__bar_from_arm>:
1024: e59fc000 ldr ip, \[pc, #0\] ; 102c <__bar_from_arm\+0x8>
1028: e12fff1c bx ip
102c: 02003021 .word 0x02003021
00001030 <__bar4_from_arm>:
1030: e59fc000 ldr ip, \[pc, #0\] ; 1038 <__bar4_from_arm\+0x8>
1034: e12fff1c bx ip
1038: 0200302d .word 0x0200302d
0000103c <__bar2_veneer>:
103c: e51ff004 ldr pc, \[pc, #-4\] ; 1040 <__bar2_veneer\+0x4>
1040: 02003024 .word 0x02003024
00001044 <__bar3_veneer>:
1044: e51ff004 ldr pc, \[pc, #-4\] ; 1048 <__bar3_veneer\+0x4>
1048: 02003028 .word 0x02003028
...
00001040 <_start>:
1040: ebfffff0 bl 1008 <__bar_from_arm>
1044: ebffffed bl 1000 <__bar2_veneer>
00001048 <myfunc>:
1048: ebfffff1 bl 1014 <__bar3_veneer>
104c: ebfffff2 bl 101c <__bar4_from_arm>
1050: ebfffff4 bl 1028 <__bar5_from_arm>
Disassembly of section .foo:
02003020 <bar>:

51
ld/testsuite/ld-arm/farcall-mix.d
View file

@ -3,32 +3,33 @@
Disassembly of section .text:
00001000 <__bar2_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar2_veneer\+0x4>
1004: 02002024 .word 0x02002024
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e12fff1c bx ip
1010: 02002021 .word 0x02002021
00001014 <__bar3_veneer>:
1014: e51ff004 ldr pc, \[pc, #-4\] ; 1018 <__bar3_veneer\+0x4>
1018: 02002028 .word 0x02002028
0000101c <__bar4_from_arm>:
101c: e59fc000 ldr ip, \[pc, #0\] ; 1024 <__bar4_from_arm\+0x8>
1020: e12fff1c bx ip
1024: 0200202d .word 0x0200202d
00001028 <__bar5_from_arm>:
1028: e59fc000 ldr ip, \[pc, #0\] ; 1030 <__bar5_from_arm\+0x8>
102c: e12fff1c bx ip
1030: 0200202f .word 0x0200202f
...
00001000 <_start>:
1000: eb000004 bl 1018 <__bar_from_arm>
1004: eb000006 bl 1024 <__bar2_veneer>
1008: eb00000a bl 1038 <__bar3_veneer>
100c: eb00000b bl 1040 <__bar4_from_arm>
1010: eb000005 bl 102c <__bar5_from_arm>
1014: 00000000 andeq r0, r0, r0
00001040 <_start>:
1040: ebfffff0 bl 1008 <__bar_from_arm>
1044: ebffffed bl 1000 <__bar2_veneer>
1048: ebfffff1 bl 1014 <__bar3_veneer>
104c: ebfffff2 bl 101c <__bar4_from_arm>
1050: ebfffff4 bl 1028 <__bar5_from_arm>
00001018 <__bar_from_arm>:
1018: e59fc000 ldr ip, \[pc, #0\] ; 1020 <__bar_from_arm\+0x8>
101c: e12fff1c bx ip
1020: 02002021 .word 0x02002021
00001024 <__bar2_veneer>:
1024: e51ff004 ldr pc, \[pc, #-4\] ; 1028 <__bar2_veneer\+0x4>
1028: 02002024 .word 0x02002024
0000102c <__bar5_from_arm>:
102c: e59fc000 ldr ip, \[pc, #0\] ; 1034 <__bar5_from_arm\+0x8>
1030: e12fff1c bx ip
1034: 0200202f .word 0x0200202f
00001038 <__bar3_veneer>:
1038: e51ff004 ldr pc, \[pc, #-4\] ; 103c <__bar3_veneer\+0x4>
103c: 02002028 .word 0x02002028
00001040 <__bar4_from_arm>:
1040: e59fc000 ldr ip, \[pc, #0\] ; 1048 <__bar4_from_arm\+0x8>
1044: e12fff1c bx ip
1048: 0200202d .word 0x0200202d
...
Disassembly of section .foo:
02002020 <bar>:

46
ld/testsuite/ld-arm/farcall-mix2.d
View file

@ -3,35 +3,37 @@
Disassembly of section .text:
00001000 <__bar2_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar2_veneer\+0x4>
1004: 02003024 .word 0x02003024
00001000 <_start>:
1000: eb000000 bl 1008 <__bar_from_arm>
1004: eb000002 bl 1014 <__bar2_veneer>
00001008 <__bar_from_arm>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_arm\+0x8>
100c: e12fff1c bx ip
1010: 02003021 .word 0x02003021
1014: 00000000 .word 0x00000000
00001018 <_start>:
1018: ebfffffa bl 1008 <__bar_from_arm>
101c: ebfffff7 bl 1000 <__bar2_veneer>
00001014 <__bar2_veneer>:
1014: e51ff004 ldr pc, \[pc, #-4\] ; 1018 <__bar2_veneer\+0x4>
1018: 02003024 .word 0x02003024
101c: 00000000 .word 0x00000000
Disassembly of section .mytext:
00002000 <__bar5_from_arm>:
2000: e59fc000 ldr ip, \[pc, #0\] ; 2008 <__bar5_from_arm\+0x8>
2004: e12fff1c bx ip
2008: 0200302f .word 0x0200302f
0000200c <__bar3_veneer>:
200c: e51ff004 ldr pc, \[pc, #-4\] ; 2010 <__bar3_veneer\+0x4>
2010: 02003028 .word 0x02003028
00002014 <__bar4_from_arm>:
2014: e59fc000 ldr ip, \[pc, #0\] ; 201c <__bar4_from_arm\+0x8>
2018: e12fff1c bx ip
201c: 0200302d .word 0x0200302d
00002000 <__bar5_from_arm-0x10>:
2000: eb000005 bl 201c <__bar3_veneer>
2004: eb000006 bl 2024 <__bar4_from_arm>
2008: eb000000 bl 2010 <__bar5_from_arm>
200c: 00000000 andeq r0, r0, r0
00002010 <__bar5_from_arm>:
2010: e59fc000 ldr ip, \[pc, #0\] ; 2018 <__bar5_from_arm\+0x8>
2014: e12fff1c bx ip
2018: 0200302f .word 0x0200302f
0000201c <__bar3_veneer>:
201c: e51ff004 ldr pc, \[pc, #-4\] ; 2020 <__bar3_veneer\+0x4>
2020: 02003028 .word 0x02003028
00002024 <__bar4_from_arm>:
2024: e59fc000 ldr ip, \[pc, #0\] ; 202c <__bar4_from_arm\+0x8>
2028: e12fff1c bx ip
202c: 0200302d .word 0x0200302d
...
2028: ebfffff7 bl 200c <__bar3_veneer>
202c: ebfffff8 bl 2014 <__bar4_from_arm>
2030: ebfffff2 bl 2000 <__bar5_from_arm>
Disassembly of section .foo:
02003020 <bar>:

17
ld/testsuite/ld-arm/farcall-thumb-arm-be.d
View file

@ -1,17 +0,0 @@
.*: file format .*
Disassembly of section .text:
00001000 <__bar_from_thumb>:
1000: 4778 bx pc
1002: 46c0 nop.*
1004: e51ff004 ldr pc, \[pc, #-4\] ; 1008 <__bar_from_thumb\+0x8>
1008: 02001014 .word 0x02001014
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: f7ff fff6 bl 1000 <__bar_from_thumb>
Disassembly of section .foo:
02001014 <bar>:
2001014: e12fff1e bx lr

18
ld/testsuite/ld-arm/farcall-thumb-arm-be8.d
View file

@ -2,15 +2,17 @@
Disassembly of section .text:
00001000 <__bar_from_thumb>:
1000: 7847 bx pc
1002: c046 nop.*
1004: 04f01fe5 ldr pc, \[pc, #-4\] ; 1008 <__bar_from_thumb\+0x8>
1008: 02001014 .word 0x02001014
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: 00f0 02f8 bl 1008 <__bar_from_thumb>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001010 <_start>:
1010: fff7 f6ff bl 1000 <__bar_from_thumb>
00001008 <__bar_from_thumb>:
1008: 7847 bx pc
100a: c046 nop.*
100c: 04f01fe5 ldr pc, \[pc, #-4\] ; 1010 <__bar_from_thumb\+0x8>
1010: 02001014 .word 0x02001014
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

16
ld/testsuite/ld-arm/farcall-thumb-arm-blx-pic-veneer.d
View file

@ -2,14 +2,16 @@
Disassembly of section .text:
00001000 <__bar_from_thumb>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <__bar_from_thumb\+0x8>
1004: e08ff00c add pc, pc, ip
1008: 02000008 .word 0x02000008
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: f000 e802 blx 1008 <__bar_from_thumb>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001010 <_start>:
1010: f7ff eff6 blx 1000 <__bar_from_thumb>
00001008 <__bar_from_thumb>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_from_thumb\+0x8>
100c: e08ff00c add pc, pc, ip
1010: 02000000 .word 0x02000000
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

12
ld/testsuite/ld-arm/farcall-thumb-arm-blx.d
View file

@ -2,12 +2,14 @@
Disassembly of section .text:
00001000 <__bar_from_thumb>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_from_thumb\+0x4>
1004: 02001014 .word 0x02001014
00001000 <_start>:
1000: f000 e802 blx 1008 <__bar_from_thumb>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001008 <_start>:
1008: f7ff effa blx 1000 <__bar_from_thumb>
00001008 <__bar_from_thumb>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar_from_thumb\+0x4>
100c: 02001014 .word 0x02001014
Disassembly of section .foo:
02001014 <bar>:

15
ld/testsuite/ld-arm/farcall-thumb-arm-short.d
View file

@ -2,12 +2,15 @@
Disassembly of section .text:
00001000 <__bar_from_thumb>:
1000: 4778 bx pc
1002: 46c0 nop \(mov r8, r8\)
1004: ea000402 b 2014 <bar>
00001008 <_start>:
1008: f7ff fffa bl 1000 <__bar_from_thumb>
00001000 <_start>:
1000: f000 f802 bl 1008 <__bar_from_thumb>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001008 <__bar_from_thumb>:
1008: 4778 bx pc
100a: 46c0 nop \(mov r8, r8\)
100c: ea000400 b 2014 <bar>
Disassembly of section .foo:
00002014 <bar>:

18
ld/testsuite/ld-arm/farcall-thumb-arm.d
View file

@ -2,15 +2,17 @@
Disassembly of section .text:
00001000 <__bar_from_thumb>:
1000: 4778 bx pc
1002: 46c0 nop \(mov r8, r8\)
1004: e51ff004 ldr pc, \[pc, #-4\] ; 1008 <__bar_from_thumb\+0x8>
1008: 02001014 .word 0x02001014
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: f000 f802 bl 1008 <__bar_from_thumb>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001010 <_start>:
1010: f7ff fff6 bl 1000 <__bar_from_thumb>
00001008 <__bar_from_thumb>:
1008: 4778 bx pc
100a: 46c0 nop \(mov r8, r8\)
100c: e51ff004 ldr pc, \[pc, #-4\] ; 1010 <__bar_from_thumb\+0x8>
1010: 02001014 .word 0x02001014
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

16
ld/testsuite/ld-arm/farcall-thumb-thumb-blx-pic-veneer.d
View file

@ -2,14 +2,16 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <__bar_veneer\+0x8>
1004: e08ff00c add pc, pc, ip
1008: 02000009 .word 0x02000009
100c: 00000000 .word 0x00000000
00001000 <_start>:
1000: f000 e802 blx 1008 <__bar_veneer>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001010 <_start>:
1010: f7ff eff6 blx 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: e59fc000 ldr ip, \[pc, #0\] ; 1010 <__bar_veneer\+0x8>
100c: e08ff00c add pc, pc, ip
1010: 02000001 .word 0x02000001
1014: 00000000 .word 0x00000000
Disassembly of section .foo:
02001014 <bar>:

12
ld/testsuite/ld-arm/farcall-thumb-thumb-blx.d
View file

@ -2,12 +2,14 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_veneer\+0x4>
1004: 02001015 .word 0x02001015
00001000 <_start>:
1000: f000 e802 blx 1008 <__bar_veneer>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001008 <_start>:
1008: f7ff effa blx 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar_veneer\+0x4>
100c: 02001015 .word 0x02001015
Disassembly of section .foo:
02001014 <bar>:

22
ld/testsuite/ld-arm/farcall-thumb-thumb-m.d
View file

@ -2,17 +2,19 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: b401 push {r0}
1002: 4802 ldr r0, \[pc, #8\] \(100c <__bar_veneer\+0xc>\)
1004: 4684 mov ip, r0
1006: bc01 pop {r0}
1008: 4760 bx ip
100a: bf00 nop
100c: 02001015 .word 0x02001015
00001000 <_start>:
1000: f000 f802 bl 1008 <__bar_veneer>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001010 <_start>:
1010: f7ff fff6 bl 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: b401 push {r0}
100a: 4802 ldr r0, \[pc, #8\] \(1014 <__bar_veneer\+0xc>\)
100c: 4684 mov ip, r0
100e: bc01 pop {r0}
1010: 4760 bx ip
1012: bf00 nop
1014: 02001015 .word 0x02001015
Disassembly of section .foo:
02001014 <bar>:

22
ld/testsuite/ld-arm/farcall-thumb-thumb.d
View file

@ -2,17 +2,19 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: b401 push {r0}
1002: 4802 ldr r0, \[pc, #8\] \(100c <__bar_veneer\+0xc>\)
1004: 4684 mov ip, r0
1006: bc01 pop {r0}
1008: 4760 bx ip
100a: bf00 nop
100c: 02001015 .word 0x02001015
00001000 <_start>:
1000: f000 f802 bl 1008 <__bar_veneer>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001010 <_start>:
1010: f7ff fff6 bl 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: b401 push {r0}
100a: 4802 ldr r0, \[pc, #8\] \(1014 <__bar_veneer\+0xc>\)
100c: 4684 mov ip, r0
100e: bc01 pop {r0}
1010: 4760 bx ip
1012: bf00 nop
1014: 02001015 .word 0x02001015
Disassembly of section .foo:
02001014 <bar>:

13
ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.d
View file

@ -2,12 +2,15 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_veneer\+0x4>
1004: 0100100d .word 0x0100100d
00001000 <_start>:
1000: f000 e802 blx 1008 <__bar_veneer>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001008 <__bar_veneer>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar_veneer\+0x4>
100c: 0100100d .word 0x0100100d
00001008 <_start>:
1008: f7ff effa blx 1000 <__bar_veneer>
Disassembly of section .foo:
0100100c <bar>:

12
ld/testsuite/ld-arm/thumb2-bl-bad.d
View file

@ -2,12 +2,14 @@
Disassembly of section .text:
00001000 <__bar_veneer>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <__bar_veneer\+0x4>
1004: 0100100d .word 0x0100100d
00001000 <_start>:
1000: f000 e802 blx 1008 <__bar_veneer>
1004: 0000 lsls r0, r0, #0
\.\.\.
00001008 <_start>:
1008: f7ff effa blx 1000 <__bar_veneer>
00001008 <__bar_veneer>:
1008: e51ff004 ldr pc, \[pc, #-4\] ; 100c <__bar_veneer\+0x4>
100c: 0100100d .word 0x0100100d
Disassembly of section .foo:
0100100c <bar>: