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binutils-gdb
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* som.c (som_get_section_contents): New function. Do not try 

to actually read data from a section that doesn't have either
        SEC_LOAD or SEC_DEBUGGING set (eg $BSS$) just return true.
This commit is contained in:
Jeff Law 1994-03-26 20:25:48 +00:00
parent 9336e47ee2
commit f977e865cb
2 changed files with 23 additions and 1 deletions
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4
bfd/ChangeLog
View File

@ -1,5 +1,9 @@
Sat Mar 26 10:25:43 1994 Jeffrey A. Law (law@snake.cs.utah.edu)
* som.c (som_get_section_contents): New function. Do not try
to actually read data from a section that doesn't have either
SEC_LOAD or SEC_DEBUGGING set (eg $BSS$) just return true.
* libbfd.c (bfd_read): Set bfd_error as appropriate for a short
read. (bfd_error_system_call or bfd_error_file_truncated).

20
bfd/som.c
View File

@ -158,6 +158,8 @@ static boolean som_bfd_copy_private_bfd_data PARAMS ((bfd *, bfd *));
static boolean som_bfd_is_local_label PARAMS ((bfd *, asymbol *));
static boolean som_set_section_contents PARAMS ((bfd *, sec_ptr, PTR,
file_ptr, bfd_size_type));
static boolean som_get_section_contents PARAMS ((bfd *, sec_ptr, PTR,
file_ptr, bfd_size_type));
static boolean som_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
unsigned long));
static boolean som_find_nearest_line PARAMS ((bfd *, asection *,
@ -4441,6 +4443,23 @@ bfd_som_attach_aux_hdr (abfd, type, string)
return true;
}
static boolean
som_get_section_contents (abfd, section, location, offset, count)
bfd *abfd;
sec_ptr section;
PTR location;
file_ptr offset;
bfd_size_type count;
{
if (count == 0 || ((section->flags & (SEC_LOAD | SEC_DEBUGGING)) == 0))
return true;
if ((bfd_size_type)(offset+count) > section->_raw_size
|| bfd_seek (abfd, (file_ptr)(section->filepos + offset), SEEK_SET) == -1
|| bfd_read (location, (bfd_size_type)1, count, abfd) != count)
return (false); /* on error */
return (true);
}
static boolean
som_set_section_contents (abfd, section, location, offset, count)
bfd *abfd;
@ -5427,7 +5446,6 @@ som_write_armap (abfd)
#define som_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
#define som_close_and_cleanup bfd_generic_close_and_cleanup
#define som_get_section_contents bfd_generic_get_section_contents
#define som_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents