+2009-06-22 Christophe Lyon <christophe.lyon@st.com>
+
+ * elf32-arm.c (elf32_arm_size_stubs): Use PLT address as
+ destination for defined dynamic symbols when deciding whether to
+ insert a stub or not.
+ (allocate_dynrelocs): Make sure functions are not marked as Thumb
+ when actually accessed through a PLT, even when generating a
+ shared lib.
+
2009-06-22 Tristan Gingold <gingold@adacore.com>
* mach-o.c (bfd_mach_o_canonicalize_reloc): Append a sentinel to
{
sym_sec = hash->root.root.u.def.section;
sym_value = hash->root.root.u.def.value;
- if (sym_sec->output_section != NULL)
+
+ struct elf32_arm_link_hash_table *globals =
+ elf32_arm_hash_table (info);
+
+ /* For a destination in a shared library,
+ use the PLT stub as target address to
+ decide whether a branch stub is
+ needed. */
+ if (globals->splt != NULL && hash != NULL
+ && hash->root.plt.offset != (bfd_vma) -1)
+ {
+ sym_sec = globals->splt;
+ sym_value = hash->root.plt.offset;
+ if (sym_sec->output_section != NULL)
+ destination = (sym_value
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ }
+ else if (sym_sec->output_section != NULL)
destination = (sym_value + irela->r_addend
+ sym_sec->output_offset
+ sym_sec->output_section->vma);
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
-
- /* Make sure the function is not marked as Thumb, in case
- it is the target of an ABS32 relocation, which will
- point to the PLT entry. */
- if (ELF_ST_TYPE (h->type) == STT_ARM_TFUNC)
- h->type = ELF_ST_INFO (ELF_ST_BIND (h->type), STT_FUNC);
}
+ /* Make sure the function is not marked as Thumb, in case
+ it is the target of an ABS32 relocation, which will
+ point to the PLT entry. */
+ if (ELF_ST_TYPE (h->type) == STT_ARM_TFUNC)
+ h->type = ELF_ST_INFO (ELF_ST_BIND (h->type), STT_FUNC);
+
/* Make room for this entry. */
s->size += htab->plt_entry_size;
+2009-06-22 Christophe Lyon <christophe.lyon@st.com>
+
+ ld/testsuite:
+ * ld-arm/farcall-mixed-app.s: Add new references to check more
+ modes switching.
+ * ld-arm/farcall-mixed-lib1.s: Likewise.
+ * ld-arm/farcall-mixed-app-v5.d: Update expected result.
+ * farcall-mixed-app.d: Likewise.
+ * ld-arm/farcall-mixed-lib.d: Likewise.
+
2009-06-22 Dave Korn <dave.korn.cygwin@gmail.com>
* ld-pe/pe-run.exp (proc test_direct_link_dll): Fix incorrect
.*: e1a0c00d mov ip, sp
.*: e92dd800 push {fp, ip, lr, pc}
.*: eb000008 bl .* <__app_func_veneer>
+ .*: ebfffff8 bl .* <_start-0xc>
+ .*: ebfffff4 bl .* <_start-0x18>
.*: e89d6800 ldm sp, {fp, sp, lr}
.*: e12fff1e bx lr
.*: e1a00000 nop \(mov r0,r0\)
- .*: e1a00000 nop \(mov r0,r0\)
- .*: e1a00000 nop \(mov r0,r0\)
.* <app_tfunc_close>:
.*: b500 push {lr}
.* <app_func>:
.*: e1a0c00d mov ip, sp
.*: e92dd800 push {fp, ip, lr, pc}
- .*: eb000008 bl .* <__lib_func1_veneer>
+ .*: eb00000a bl .* <__lib_func1_veneer>
+ .*: eb000007 bl .* <__lib_func2_veneer>
.*: e89d6800 ldm sp, {fp, sp, lr}
.*: e12fff1e bx lr
.*: e1a00000 nop \(mov r0,r0\)
.*: e1a00000 nop \(mov r0,r0\)
- .*: e1a00000 nop \(mov r0,r0\)
.* <app_func2>:
.*: e12fff1e bx lr
.*: e1a00000 nop \(mov r0,r0\)
.*: e1a00000 nop \(mov r0,r0\)
+.* <__lib_func2_veneer>:
+ .*: e51ff004 ldr pc, \[pc, #-4\] ; 2100034 <__lib_func2_veneer\+0x4>
+ .*: 00008218 .word 0x00008218
.* <__lib_func1_veneer>:
- .*: e51ff004 ldr pc, \[pc, #-4\] ; 2100034 <__lib_func1_veneer\+0x4>
+ .*: e51ff004 ldr pc, \[pc, #-4\] ; 210003c <__lib_func1_veneer\+0x4>
.*: 00008224 .word 0x00008224
Disassembly of section .far_thumb:
.*: e1a0c00d mov ip, sp
.*: e92dd800 push {fp, ip, lr, pc}
.*: eb000008 bl .* <__app_func_veneer>
+ .*: ebfffff5 bl .* <_start-0x18>
+ .*: ebfffff1 bl .* <_start-0x24>
.*: e89d6800 ldm sp, {fp, sp, lr}
.*: e12fff1e bx lr
.*: e1a00000 nop \(mov r0,r0\)
- .*: e1a00000 nop \(mov r0,r0\)
- .*: e1a00000 nop \(mov r0,r0\)
.* <app_tfunc_close>:
.*: b500 push {lr}
.* <app_func>:
.*: e1a0c00d mov ip, sp
.*: e92dd800 push {fp, ip, lr, pc}
- .*: eb000008 bl .* <__lib_func1_veneer>
+ .*: eb00000a bl .* <__lib_func1_veneer>
+ .*: eb000007 bl .* <__lib_func2_veneer>
.*: e89d6800 ldm sp, {fp, sp, lr}
.*: e12fff1e bx lr
.*: e1a00000 nop \(mov r0,r0\)
.*: e1a00000 nop \(mov r0,r0\)
- .*: e1a00000 nop \(mov r0,r0\)
.* <app_func2>:
.*: e12fff1e bx lr
.*: e1a00000 nop \(mov r0,r0\)
.*: e1a00000 nop \(mov r0,r0\)
+.* <__lib_func2_veneer>:
+ .*: e51ff004 ldr pc, \[pc, #-4\] ; 2100034 <__lib_func2_veneer\+0x4>
+ .*: 0000821c .word 0x0000821c
.* <__lib_func1_veneer>:
- .*: e51ff004 ldr pc, \[pc, #-4\] ; 2100034 <__lib_func1_veneer\+0x4>
+ .*: e51ff004 ldr pc, \[pc, #-4\] ; 210003c <__lib_func1_veneer\+0x4>
.*: 00008228 .word 0x00008228
Disassembly of section .far_thumb:
mov ip, sp
stmdb sp!, {r11, ip, lr, pc}
bl app_func
+ bl lib_func1
+ bl lib_func2
ldmia sp, {r11, sp, lr}
bx lr
mov ip, sp
stmdb sp!, {r11, ip, lr, pc}
bl lib_func1
+ bl lib_func2
ldmia sp, {r11, sp, lr}
bx lr
.*: e28fc6.* add ip, pc, #.* ; 0x.*
.*: e28cca.* add ip, ip, #.* ; 0x.*
.*: e5bcf.* ldr pc, \[ip, #.*\]!
+ .*: e28fc6.* add ip, pc, #.* ; 0x.*
+ .*: e28cca.* add ip, ip, #.* ; 0x.*
+ .*: e5bcf.* ldr pc, \[ip, #.*\]!
+ .*: e28fc6.* add ip, pc, #.* ; 0x.*
+ .*: e28cca.* add ip, ip, #.* ; 0x.*
+ .*: e5bcf.* ldr pc, \[ip, #.*\]!
+
Disassembly of section .text:
.* <lib_func1>:
.*: e92dd800 push {fp, ip, lr, pc}
.*: ebfffff. bl .* <lib_func1-0x..?>
.*: ebfffff. bl .* <lib_func1-0x..?>
+ .*: ebfffff. bl .* <lib_func1-0x..?>
+ .*: ebfffff. bl .* <lib_func1-0x..?>
.*: e89d6800 ldm sp, {fp, sp, lr}
.*: e12fff1e bx lr
...
- .*: e1a00000 .word 0xe1a00000
- .*: e1a00000 .word 0xe1a00000
.* <lib_func2>:
- .*: f000 e806 blx 1000300 <__app_func_from_thumb>
- .*: f000 e80a blx 100030c <__app_func_weak_from_thumb>
+ .*: f000 e80e blx 1000350 <__app_func_from_thumb>
+ .*: f000 e818 blx 1000368 <__app_func_weak_from_thumb>
+ .*: f000 e810 blx 100035c <__lib_func3_from_thumb>
+ .*: f000 e81a blx 1000374 <__lib_func4_from_thumb>
.*: 4770 bx lr
.*: 46c0 nop \(mov r8, r8\)
.*: 46c0 nop \(mov r8, r8\)
.*: 46c0 nop \(mov r8, r8\)
+ .*: 46c0 nop \(mov r8, r8\)
+ .*: 46c0 nop \(mov r8, r8\)
+ .*: 46c0 nop \(mov r8, r8\)
+ .*: 46c0 nop \(mov r8, r8\)
.* <__app_func_from_thumb>:
- .*: e59fc000 ldr ip, \[pc, #0\] ; 1000308 <__app_func_from_thumb\+0x8>
+ .*: e59fc000 ldr ip, \[pc, #0\] ; 1000358 <__app_func_from_thumb\+0x8>
.*: e08ff00c add pc, pc, ip
- .*: feffffa8 .word 0xfeffffa8
+ .*: feffff84 .word 0xfeffff84
+
+.* <__lib_func3_from_thumb>:
+ .*: e59fc000 ldr ip, \[pc, #0\] ; 1000364 <__lib_func3_from_thumb\+0x8>
+ .*: e08ff00c add pc, pc, ip
+ .*: feffff90 .word 0xfeffff90
.* <__app_func_weak_from_thumb>:
- .*: e59fc000 ldr ip, \[pc, #0\] ; 1000314 <__app_func_weak_from_thumb\+0x8>
+ .*: e59fc000 ldr ip, \[pc, #0\] ; 1000370 <__app_func_weak_from_thumb\+0x8>
+ .*: e08ff00c add pc, pc, ip
+ .*: feffff78 .word 0xfeffff78
+
+.* <__lib_func4_from_thumb>:
+ .*: e59fc000 ldr ip, \[pc, #0\] ; 100037c <__lib_func4_from_thumb\+0x8>
.*: e08ff00c add pc, pc, ip
- .*: feffffa8 .word 0xfeffffa8
+ .*: feffff84 .word 0xfeffff84
...
.* <lib_func3>:
- .*: f000 e80c blx 200033c <__app_func_from_thumb>
- .*: f000 e804 blx 2000330 <__app_func_weak_from_thumb>
+ .*: f000 e80c blx 20003ac <__app_func_from_thumb>
+ .*: f000 e804 blx 20003a0 <__app_func_weak_from_thumb>
.*: 4770 bx lr
.*: 46c0 nop \(mov r8, r8\)
.*: 46c0 nop \(mov r8, r8\)
.*: 46c0 nop \(mov r8, r8\)
.* <__app_func_weak_from_thumb>:
- .*: e59fc000 ldr ip, \[pc, #0\] ; 2000338 <__app_func_weak_from_thumb\+0x8>
+ .*: e59fc000 ldr ip, \[pc, #0\] ; 20003a8 <__app_func_weak_from_thumb\+0x8>
.*: e08ff00c add pc, pc, ip
- .*: fdffff84 .word 0xfdffff84
+ .*: fdffff40 .word 0xfdffff40
.* <__app_func_from_thumb>:
- .*: e59fc000 ldr ip, \[pc, #0\] ; 2000344 <__app_func_from_thumb\+0x8>
+ .*: e59fc000 ldr ip, \[pc, #0\] ; 20003b4 <__app_func_from_thumb\+0x8>
.*: e08ff00c add pc, pc, ip
- .*: fdffff6c .word 0xfdffff6c
+ .*: fdffff28 .word 0xfdffff28
...
bl app_func
.weak app_func_weak
bl app_func_weak
+ bl lib_func3
+ bl lib_func4
ldmia sp, {r11, sp, lr}
bx lr
.size lib_func1, . - lib_func1
lib_func2:
bl app_func
bl app_func_weak
+ bl lib_func3
+ bl lib_func4
bx lr
.size lib_func2, . - lib_func2
projects / binutils-gdb.git / commitdiff