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-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-arm.c18
-rw-r--r--include/elf/ChangeLog4
-rw-r--r--include/elf/arm.h3
-rw-r--r--ld/testsuite/ChangeLog11
-rw-r--r--ld/testsuite/ld-arm/abs-call-1.d7
-rw-r--r--ld/testsuite/ld-arm/abs-call-1.s7
-rw-r--r--ld/testsuite/ld-arm/arm-call1.s1
-rw-r--r--ld/testsuite/ld-arm/arm-call2.s1
-rw-r--r--ld/testsuite/ld-arm/arm-elf.exp4
-rw-r--r--ld/testsuite/ld-arm/cortex-a8-far-3.s9
-rw-r--r--ld/testsuite/ld-arm/farcall-group4.s1
12 files changed, 62 insertions, 11 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8cd4935..5701e71 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,12 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
+ * elf32-arm.c (elf32_arm_final_link_relocate): Only do bl conversion
+ for known functions.
+ (elf32_arm_swap_symbol_in): Only set ST_BRANCH_TO_ARM for function
+ symbols.
+
+2011-05-31 Paul Brook <paul@codesourcery.com>
+
* elf32-arm.c (arm_stub_is_thumb): Add
arm_stub_long_branch_v4t_thumb_tls_pic.
(elf32_arm_final_link_relocate): TLS stubs are always ARM.
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 611e08e..58bb367 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -8304,7 +8304,7 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
case, mode switching is performed by the stub. */
if (branch_type == ST_BRANCH_TO_THUMB && !stub_entry)
value |= (1 << 28);
- else
+ else if (stub_entry || branch_type != ST_BRANCH_UNKNOWN)
{
value &= ~(bfd_vma)(1 << 28);
value |= (1 << 24);
@@ -15131,12 +15131,16 @@ elf32_arm_swap_symbol_in (bfd * abfd,
/* New EABI objects mark thumb function symbols by setting the low bit of
the address. */
- if ((ELF_ST_TYPE (dst->st_info) == STT_FUNC
- || ELF_ST_TYPE (dst->st_info) == STT_GNU_IFUNC)
- && (dst->st_value & 1))
+ if (ELF_ST_TYPE (dst->st_info) == STT_FUNC
+ || ELF_ST_TYPE (dst->st_info) == STT_GNU_IFUNC)
{
- dst->st_value &= ~(bfd_vma) 1;
- dst->st_target_internal = ST_BRANCH_TO_THUMB;
+ if (dst->st_value & 1)
+ {
+ dst->st_value &= ~(bfd_vma) 1;
+ dst->st_target_internal = ST_BRANCH_TO_THUMB;
+ }
+ else
+ dst->st_target_internal = ST_BRANCH_TO_ARM;
}
else if (ELF_ST_TYPE (dst->st_info) == STT_ARM_TFUNC)
{
@@ -15146,7 +15150,7 @@ elf32_arm_swap_symbol_in (bfd * abfd,
else if (ELF_ST_TYPE (dst->st_info) == STT_SECTION)
dst->st_target_internal = ST_BRANCH_LONG;
else
- dst->st_target_internal = ST_BRANCH_TO_ARM;
+ dst->st_target_internal = ST_BRANCH_UNKNOWN;
return TRUE;
}
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index a43b34d..d070046 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,7 @@
+2011-05-31 Paul Brook <paul@codesourcery.com>
+
+ * arm.h (arm_st_branch_type): Add ST_BRANCH_UNKNOWN.
+
2011-04-15 Sergio Durigan Junior <sergiodj@redhat.com>
* common.h (NT_STAPSDT): New define.
diff --git a/include/elf/arm.h b/include/elf/arm.h
index 5b01835..860fdf7 100644
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -328,7 +328,8 @@ enum
enum arm_st_branch_type {
ST_BRANCH_TO_ARM,
ST_BRANCH_TO_THUMB,
- ST_BRANCH_LONG
+ ST_BRANCH_LONG,
+ ST_BRANCH_UNKNOWN
};
#define ARM_SYM_BRANCH_TYPE(SYM) \
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 586356e..5c645bc 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,4 +1,15 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
+
+ * ld-arm/cortex-a8-far.d: Adjust expected output.
+ * ld-arm/arm-call1.s: Give function symbol correct type.
+ * ld-arm/arm-call2.s: Ditto.
+ * ld-arm/farcall-group4.s: Ditto.
+ * ld-arm/arm-elf.exp (cortex-a8-far): Define far symbols with correct
+ type via assembly file.
+ * ld-arm/cortex-a8-far-3.s: New file.
+ * ld-arm/abs-call-1.s: Add Thumb tests
+
+2011-05-31 Paul Brook <paul@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
* ld-arm/abs-call-1.d: New.
diff --git a/ld/testsuite/ld-arm/abs-call-1.d b/ld/testsuite/ld-arm/abs-call-1.d
index 4482beb..7214e3a 100644
--- a/ld/testsuite/ld-arm/abs-call-1.d
+++ b/ld/testsuite/ld-arm/abs-call-1.d
@@ -6,4 +6,9 @@ Disassembly of section .text:
00008000 <arm>:
8000: eb03dffe bl 100000 <foo>
8004: ea03dffd b 100000 <foo>
- 8008: eb03dffc bl 100000 <foo>
+ 8008: fa03dffc blx 100000 <foo>
+ 800c: eb03dffb bl 100000 <foo>
+00008010 <thumb>:
+ 8010: f0f7 fff6 bl 100000 <foo>
+ 8014: f0f7 bff4 b\.w 100000 <foo>
+ 8018: f0f7 eff2 blx 100000 <foo>
diff --git a/ld/testsuite/ld-arm/abs-call-1.s b/ld/testsuite/ld-arm/abs-call-1.s
index c0a66b4..ab1ac3d 100644
--- a/ld/testsuite/ld-arm/abs-call-1.s
+++ b/ld/testsuite/ld-arm/abs-call-1.s
@@ -4,5 +4,12 @@
arm: bl 0x100000
b 0x100000
+ blx 0x100000
bl foo
+ .syntax unified
+ .thumb
+thumb: bl 0x100000
+ b 0x100000
+ blx 0x100000
+ @ bl foo is broken - gas fails to preserve the symbol reference
diff --git a/ld/testsuite/ld-arm/arm-call1.s b/ld/testsuite/ld-arm/arm-call1.s
index e6ea1f2..e4ab1c2 100644
--- a/ld/testsuite/ld-arm/arm-call1.s
+++ b/ld/testsuite/ld-arm/arm-call1.s
@@ -2,6 +2,7 @@
.text
.arch armv5t
.global _start
+ .type _start, %function
_start:
bl arm
bl t1
diff --git a/ld/testsuite/ld-arm/arm-call2.s b/ld/testsuite/ld-arm/arm-call2.s
index 30ae349..02aa379 100644
--- a/ld/testsuite/ld-arm/arm-call2.s
+++ b/ld/testsuite/ld-arm/arm-call2.s
@@ -4,6 +4,7 @@
.global t1
.global t2
.global t5
+ .type arm, %function
arm:
bx lr
.thumb
diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index a8c51c2..8b8495e 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -276,8 +276,8 @@ set armelftests {
{{objdump -dr cortex-a8-fix-blx-rel-thumb.d}}
"cortex-a8-fix-blx-rel-thumb"}
{"Cortex-A8 erratum fix, relocate bl.w and far call"
- "-EL -Ttext=0x00 --fix-cortex-a8 --defsym far_fn1=0x80000000 --defsym far_fn2=0x80000004 --defsym far_fn=0x7fff0000 --defsym _start=0"
- "-EL -mcpu=cortex-a8" {cortex-a8-far-1.s cortex-a8-far-2.s}
+ "-EL -Ttext=0x00 --fix-cortex-a8 --defsym _start=0"
+ "-EL -mcpu=cortex-a8" {cortex-a8-far-1.s cortex-a8-far-2.s cortex-a8-far-3.s}
{{objdump -dr cortex-a8-far.d}}
"cortex-a8-far"}
{"Cortex-A8 erratum fix, headers"
diff --git a/ld/testsuite/ld-arm/cortex-a8-far-3.s b/ld/testsuite/ld-arm/cortex-a8-far-3.s
new file mode 100644
index 0000000..48241a5
--- /dev/null
+++ b/ld/testsuite/ld-arm/cortex-a8-far-3.s
@@ -0,0 +1,9 @@
+.globl far_fn
+.type far_fn, %function
+.set far_fn, 0x7fff0000
+.globl far_fn1
+.type far_fn1, %function
+.set far_fn1, 0x80000000
+.globl far_fn2
+.type far_fn2, %function
+.set far_fn2, 0x80000004
diff --git a/ld/testsuite/ld-arm/farcall-group4.s b/ld/testsuite/ld-arm/farcall-group4.s
index 17f503b..95ad035 100644
--- a/ld/testsuite/ld-arm/farcall-group4.s
+++ b/ld/testsuite/ld-arm/farcall-group4.s
@@ -8,6 +8,7 @@ myfunc:
bl bar
.section .far, "xa"
+ .type bar, %function
.global bar
bar:
bx lr
generated by cgit v1.1 at 2024-11-05 08:25:13 +0000