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* elf.c (bfd_get_elf_phdrs, bfd_get_elf_phdr_upper_bound): New

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functions.
* bfd-in2.h (bfd_get_elf_phdrs, bfd_get_elf_phdr_upper_bound): New
declarations.
This commit is contained in:
Jim Blandy 1999-11-29 20:33:38 +00:00
parent a64bcdd8d3
commit 98d8431c7d
3 changed files with 71 additions and 0 deletions
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7
bfd/ChangeLog
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@ -1,3 +1,10 @@
1999-11-29 Jim Blandy <jimb@cygnus.com>
* elf.c (bfd_get_elf_phdrs, bfd_get_elf_phdr_upper_bound): New
functions.
* bfd-in2.h (bfd_get_elf_phdrs, bfd_get_elf_phdr_upper_bound): New
declarations.
1999-11-27 Michael Meissner <meissner@cygnus.com>
* reloc.c (BFD_RELOC_ALPHA_USER_LITERAL): New relocation for

16
bfd/bfd-in2.h
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@ -3091,6 +3091,22 @@ bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
CONST char *
bfd_format_string PARAMS ((bfd_format format));
/* Return an upper bound on the number of bytes required to store a
copy of ABFD's program header table entries. Return -1 if an error
occurs; bfd_get_error will return an appropriate code. */
extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
/* Copy ABFD's program header table entries to *PHDRS. The entries
will be stored as an array of Elf_Internal_Phdr structures, as
defined in include/elf/internal.h. To find out how large the
buffer needs to be, call bfd_get_elf_phdr_upper_bound.
Return the number of program header table entries read, or -1 if an
error occurs; bfd_get_error will return an appropriate code. */
extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
#ifdef __cplusplus
}
#endif

48
bfd/elf.c
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@ -5359,3 +5359,51 @@ _bfd_elfcore_section_from_phdr (abfd, phdr, sec_num)
return true;
}
/* Providing external access to the ELF program header table. */
/* Return an upper bound on the number of bytes required to store a
copy of ABFD's program header table entries. Return -1 if an error
occurs; bfd_get_error will return an appropriate code. */
long
bfd_get_elf_phdr_upper_bound (abfd)
bfd *abfd;
{
if (abfd->xvec->flavour != bfd_target_elf_flavour)
{
bfd_set_error (bfd_error_wrong_format);
return -1;
}
return (elf_elfheader (abfd)->e_phnum
* sizeof (Elf_Internal_Phdr));
}
/* Copy ABFD's program header table entries to *PHDRS. The entries
will be stored as an array of Elf_Internal_Phdr structures, as
defined in include/elf/internal.h. To find out how large the
buffer needs to be, call bfd_get_elf_phdr_upper_bound.
Return the number of program header table entries read, or -1 if an
error occurs; bfd_get_error will return an appropriate code. */
int
bfd_get_elf_phdrs (abfd, phdrs)
bfd *abfd;
void *phdrs;
{
int num_phdrs;
if (abfd->xvec->flavour != bfd_target_elf_flavour)
{
bfd_set_error (bfd_error_wrong_format);
return -1;
}
num_phdrs = elf_elfheader (abfd)->e_phnum;
memcpy (phdrs, elf_tdata (abfd)->phdr,
num_phdrs * sizeof (Elf_Internal_Phdr));
return num_phdrs;
}