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2006-05-15 Paul Brook <paul@codesourcery.com>

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bfd/
	* cpu-arm.c (bfd_is_arm_mapping_symbol_name): Rename ...
	(bfd_is_arm_special_symbol_name): ... to this.  Add type argument.
	Check symbol name is of specified type.
	* elf32-arm.c (elf32_arm_is_target_special_symbol,
	arm_elf_find_function, elf32_arm_output_symbol_hook): Use
	bfd_is_arm_special_symbol_name.
	* bfd-in.h (BFD_ARM_SPECIAL_SYM_TYPE_MAP,
	BFD_ARM_SPECIAL_SYM_TYPE_TAG, BFD_ARM_SPECIAL_SYM_TYPE_OTHER,
	BFD_ARM_SPECIAL_SYM_TYPE_ANY): Define.
	(bfd_is_arm_mapping_symbol_name): Remove prototype.
	(bfd_is_arm_special_symbol_name): Add prototype.
	* bfd-in2.h: Regenerate.
gas/
	* config/tc-arm.c (arm_adjust_symtab): Use
	bfd_is_arm_special_symbol_name.
ld/testsuite/
	* ld-arm/arm-be8.d: New test.
	* ld-arm/arm-be8.s: New test.
	* ld-arm/arm-elf.exp: Add arm-be8.
This commit is contained in:
Paul Brook 2006-05-15 19:57:35 +00:00
parent 4e8d927dde
commit b079691183
11 changed files with 84 additions and 14 deletions
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15
bfd/ChangeLog
View File

@ -1,3 +1,18 @@
2006-05-15 Paul Brook <paul@codesourcery.com>
* cpu-arm.c (bfd_is_arm_mapping_symbol_name): Rename ...
(bfd_is_arm_special_symbol_name): ... to this. Add type argument.
Check symbol name is of specified type.
* elf32-arm.c (elf32_arm_is_target_special_symbol,
arm_elf_find_function, elf32_arm_output_symbol_hook): Use
bfd_is_arm_special_symbol_name.
* bfd-in.h (BFD_ARM_SPECIAL_SYM_TYPE_MAP,
BFD_ARM_SPECIAL_SYM_TYPE_TAG, BFD_ARM_SPECIAL_SYM_TYPE_OTHER,
BFD_ARM_SPECIAL_SYM_TYPE_ANY): Define.
(bfd_is_arm_mapping_symbol_name): Remove prototype.
(bfd_is_arm_special_symbol_name): Add prototype.
* bfd-in2.h: Regenerate.
2006-05-15 David Heine <dlheine@tensilica.com>
Bob Wilson <bob.wilson@acm.org>

8
bfd/bfd-in.h
View File

@ -850,8 +850,12 @@ extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
(bfd *, struct bfd_link_info *);
/* ELF ARM mapping symbol support */
extern bfd_boolean bfd_is_arm_mapping_symbol_name
(const char * name);
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0)
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1)
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2)
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0)
extern bfd_boolean bfd_is_arm_special_symbol_name
(const char * name, int type);
/* ARM Note section processing. */
extern bfd_boolean bfd_arm_merge_machines

8
bfd/bfd-in2.h
View File

@ -857,8 +857,12 @@ extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
(bfd *, struct bfd_link_info *);
/* ELF ARM mapping symbol support */
extern bfd_boolean bfd_is_arm_mapping_symbol_name
(const char * name);
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0)
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1)
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2)
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0)
extern bfd_boolean bfd_is_arm_special_symbol_name
(const char * name, int type);
/* ARM Note section processing. */
extern bfd_boolean bfd_arm_merge_machines

18
bfd/cpu-arm.c
View File

@ -402,14 +402,22 @@ bfd_arm_get_mach_from_notes (bfd *abfd, const char *note_section)
}
bfd_boolean
bfd_is_arm_mapping_symbol_name (const char * name)
bfd_is_arm_special_symbol_name (const char * name, int type)
{
/* The ARM compiler outputs several obsolete forms. Recognize them
in addition to the standard $a, $t and $d. We are somewhat loose
in what we accept here, since the full set is not documented. */
return (name != NULL)
&& (name[0] == '$')
&& (name[1] >= 'a' && name[1] <= 'z')
&& (name[2] == 0 || name[2] == '.');
if (!name || name[0] != '$')
return FALSE;
if (name[1] == 'a' || name[1] == 't' || name[1] == 'd')
type &= BFD_ARM_SPECIAL_SYM_TYPE_MAP;
else if (name[1] == 'm' || name[1] == 'f' || name[1] == 'p')
type &= BFD_ARM_SPECIAL_SYM_TYPE_TAG;
else if (name[1] >= 'a' && name[1] <= 'z')
type &= BFD_ARM_SPECIAL_SYM_TYPE_OTHER;
else
return FALSE;
return (type != 0 && (name[2] == 0 || name[2] == '.'));
}

10
bfd/elf32-arm.c
View File

@ -6110,7 +6110,8 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
static bfd_boolean
elf32_arm_is_target_special_symbol (bfd * abfd ATTRIBUTE_UNUSED, asymbol * sym)
{
return bfd_is_arm_mapping_symbol_name (sym->name);
return bfd_is_arm_special_symbol_name (sym->name,
BFD_ARM_SPECIAL_SYM_TYPE_ANY);
}
/* This is a copy of elf_find_function() from elf.c except that
@ -6146,9 +6147,10 @@ arm_elf_find_function (bfd * abfd ATTRIBUTE_UNUSED,
case STT_FUNC:
case STT_ARM_TFUNC:
case STT_NOTYPE:
/* Skip $a and $t symbols. */
/* Skip mapping symbols. */
if ((q->symbol.flags & BSF_LOCAL)
&& bfd_is_arm_mapping_symbol_name (q->symbol.name))
&& bfd_is_arm_special_symbol_name (q->symbol.name,
BFD_ARM_SPECIAL_SYM_TYPE_ANY))
continue;
/* Fall through. */
if (bfd_get_section (&q->symbol) == section
@ -7879,7 +7881,7 @@ elf32_arm_output_symbol_hook (struct bfd_link_info *info,
return TRUE;
/* We only want mapping symbols. */
if (! bfd_is_arm_mapping_symbol_name (name))
if (!bfd_is_arm_special_symbol_name (name, BFD_ARM_SPECIAL_SYM_TYPE_MAP))
return TRUE;
/* If this section has not been allocated an _arm_elf_section_data

5
gas/ChangeLog
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@ -1,3 +1,8 @@
2006-05-15 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (arm_adjust_symtab): Use
bfd_is_arm_special_symbol_name.
2006-05-15 Bob Wilson <bob.wilson@acm.org>
* config/tc-xtensa.c (is_direct_call_opcode, is_branch_jmp_to_next,

3
gas/config/tc-arm.c
View File

@ -17353,7 +17353,8 @@ arm_adjust_symtab (void)
elf_sym = elf_symbol (symbol_get_bfdsym (sym));
bind = ELF_ST_BIND (elf_sym->internal_elf_sym.st_info);
if (! bfd_is_arm_mapping_symbol_name (elf_sym->symbol.name))
if (! bfd_is_arm_special_symbol_name (elf_sym->symbol.name,
BFD_ARM_SPECIAL_SYM_TYPE_ANY))
{
/* If it's a .thumb_func, declare it as so,
otherwise tag label as .code 16. */

6
ld/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2006-05-15 Paul Brook <paul@codesourcery.com>
* ld-arm/arm-be8.d: New test.
* ld-arm/arm-be8.s: New test.
* ld-arm/arm-elf.exp: Add arm-be8.
2006-05-14 H.J. Lu <hongjiu.lu@intel.com>
* ld-elf/stab.d: Skip ia64-*-*.

8
ld/testsuite/ld-arm/arm-be8.d Normal file
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@ -0,0 +1,8 @@
.*: file format.*
Contents of section .text:
8000 0000a0e3 1eff2fe1 c0467047 fff7fcff .*
8010 12345678 .*
# Ignore .ARM.attributes section
#...

14
ld/testsuite/ld-arm/arm-be8.s Normal file
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@ -0,0 +1,14 @@
.arch armv6
.text
arm:
mov r0, #0
$m:
bx lr
.thumb
.thumb_func
thumb:
nop
bx lr
bl thumb
data:
.word 0x12345678

3
ld/testsuite/ld-arm/arm-elf.exp
View File

@ -125,6 +125,9 @@ set armelftests {
{"MOVW/MOVT" "-static -T arm.ld" "" {arm-movwt.s}
{{objdump -dw arm-movwt.d}}
"arm-movwt"}
{"BE8 Mapping Symbols" "-static -T arm.ld -EB --be8" "-EB" {arm-be8.s}
{{objdump -s arm-be8.d}}
"arm-be8"}
}
run_ld_link_tests $armelftests