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* elf32-arm.c (elf32_arm_modify_segment_map): New function.

Browse Source 
(elf32_arm_additional_program_headers): Likewise.
	(elf_backend_modify_segment_map): Define.
	(elf_backend_additional_program_headers): Likewise.
	(elf32_arm_symbian_modify_segment_map): Use
	elf32_arm_modify_segment_map.

	* binutils/readelf.c (get_arm_segment_type): New function.
	(get_segment_type): Use it.

	* arm.h (PT_ARM_EXIDX): Define.
This commit is contained in:
Mark Mitchell 2005-03-18 17:06:16 +00:00
parent 2a2a7c9466
commit b294bdf8d0
6 changed files with 99 additions and 3 deletions
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11
bfd/ChangeLog
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@ -1,3 +1,14 @@
2005-03-17 Paul Brook <paul@codesourcery.com>
Dan Jacobowitz <dan@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
* elf32-arm.c (elf32_arm_modify_segment_map): New function.
(elf32_arm_additional_program_headers): Likewise.
(elf_backend_modify_segment_map): Define.
(elf_backend_additional_program_headers): Likewise.
(elf32_arm_symbian_modify_segment_map): Use
elf32_arm_modify_segment_map.
2005-03-18 H.J. Lu <hongjiu.lu@intel.com>
* elflink.c (elf_mark_used_section): Check bfd_is_const_section

58
bfd/elf32-arm.c
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@ -5710,6 +5710,55 @@ elf32_arm_swap_symbol_out (bfd *abfd,
bfd_elf32_swap_symbol_out (abfd, src, cdst, shndx);
}
/* Add the PT_ARM_EXIDX program header. */
static bfd_boolean
elf32_arm_modify_segment_map (bfd *abfd,
struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
struct elf_segment_map *m;
asection *sec;
sec = bfd_get_section_by_name (abfd, ".ARM.exidx");
if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
{
/* If there is already a PT_ARM_EXIDX header, then we do not
want to add another one. This situation arises when running
"strip"; the input binary already has the header. */
m = elf_tdata (abfd)->segment_map;
while (m && m->p_type != PT_ARM_EXIDX)
m = m->next;
if (!m)
{
m = bfd_zalloc (abfd, sizeof (struct elf_segment_map));
if (m == NULL)
return FALSE;
m->p_type = PT_ARM_EXIDX;
m->count = 1;
m->sections[0] = sec;
m->next = elf_tdata (abfd)->segment_map;
elf_tdata (abfd)->segment_map = m;
}
}
return TRUE;
}
/* We may add a PT_ARM_EXIDX program header. */
static int
elf32_arm_additional_program_headers (bfd *abfd)
{
asection *sec;
sec = bfd_get_section_by_name (abfd, ".ARM.exidx");
if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
return 1;
else
return 0;
}
/* We use this to override swap_symbol_in and swap_symbol_out. */
const struct elf_size_info elf32_arm_size_info = {
sizeof (Elf32_External_Ehdr),
@ -5780,6 +5829,9 @@ const struct elf_size_info elf32_arm_size_info = {
#define elf_backend_copy_indirect_symbol elf32_arm_copy_indirect_symbol
#define elf_backend_symbol_processing elf32_arm_symbol_processing
#define elf_backend_size_info elf32_arm_size_info
#define elf_backend_modify_segment_map elf32_arm_modify_segment_map
#define elf_backend_additional_program_headers \
elf32_arm_additional_program_headers
#define elf_backend_can_refcount 1
#define elf_backend_can_gc_sections 1
@ -5914,8 +5966,7 @@ elf32_arm_symbian_begin_write_processing (bfd *abfd,
static bfd_boolean
elf32_arm_symbian_modify_segment_map (bfd *abfd,
struct bfd_link_info *info
ATTRIBUTE_UNUSED)
struct bfd_link_info *info)
{
struct elf_segment_map *m;
asection *dynsec;
@ -5932,7 +5983,8 @@ elf32_arm_symbian_modify_segment_map (bfd *abfd,
elf_tdata (abfd)->segment_map = m;
}
return TRUE;
/* Also call the generic arm routine. */
return elf32_arm_modify_segment_map (abfd, info);
}
#undef elf32_bed

7
binutils/ChangeLog
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@ -1,3 +1,10 @@
2005-03-17 Paul Brook <paul@codesourcery.com>
Dan Jacobowitz <dan@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
* binutils/readelf.c (get_arm_segment_type): New function.
(get_segment_type): Use it.
2005-03-18 Paul Brook <paul@codesourcery.com>
* objdump.c (objdump_print_addr): Avoid uninitialized warning.

17
binutils/readelf.c
View File

@ -2234,6 +2234,20 @@ get_osabi_name (unsigned int osabi)
}
}
static const char *
get_arm_segment_type (unsigned long type)
{
switch (type)
{
case PT_ARM_EXIDX:
return "EXIDX";
default:
break;
}
return NULL;
}
static const char *
get_mips_segment_type (unsigned long type)
{
@ -2324,6 +2338,9 @@ get_segment_type (unsigned long p_type)
switch (elf_header.e_machine)
{
case EM_ARM:
result = get_arm_segment_type (p_type);
break;
case EM_MIPS:
case EM_MIPS_RS3_LE:
result = get_mips_segment_type (p_type);

6
include/elf/ChangeLog
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@ -1,3 +1,9 @@
2005-03-17 Paul Brook <paul@codesourcery.com>
Dan Jacobowitz <dan@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
* arm.h (PT_ARM_EXIDX): Define.
2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>

3
include/elf/arm.h
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@ -37,6 +37,9 @@
#define EF_ARM_VFP_FLOAT 0x400
#define EF_ARM_MAVERICK_FLOAT 0x800
/* Frame unwind information */
#define PT_ARM_EXIDX (PT_LOPROC + 1)
/* Other constants defined in the ARM ELF spec. version B-01. */
#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */
#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */