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2009-03-19 Kai Tietz <kai.tietz@onevision.com> 

* bfd-in2.h: Regenerated.
        * coffcode.h (sec_to_styp_flags): For pe-coff add SEC_READONLY
        for debugging sections and map memory read/write dependent on
        SEC_COFF_NOREAD.
        (styp_to_sec_flags): Set SEC_COFF_NOREAD for sections
        without memory read flags set.
        * section.c: Add SEC_COFF_NOREAD to section flags.
This commit is contained in:
Kai Tietz 2009-03-19 11:02:09 +00:00
parent b7cac25fd1
commit 156621f344
4 changed files with 32 additions and 15 deletions
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10
bfd/ChangeLog
View File

@ -1,3 +1,13 @@
2009-03-19 Kai Tietz <kai.tietz@onevision.com>
* bfd-in2.h: Regenerated.
* coffcode.h (sec_to_styp_flags): For pe-coff add SEC_READONLY
for debugging sections and map memory read/write dependent on
SEC_COFF_NOREAD.
(styp_to_sec_flags): Set SEC_COFF_NOREAD for sections
without memory read flags set.
* section.c: Add SEC_COFF_NOREAD to section flags.
2009-03-19 Andreas Schwab <schwab@linux-m68k.org>
* elf32-hppa.c (final_link_relocate): Cast bfd_vma values to long

4
bfd/bfd-in2.h
View File

@ -1304,6 +1304,10 @@ typedef struct bfd_section
TMS320C54X only. */
#define SEC_TIC54X_CLINK 0x20000000
/* Indicate that section has the no read flag set. This happens
when memory read flag isn't set. */
#define SEC_COFF_NOREAD 0x40000000
/* End of section flags. */
/* Some internal packed boolean fields. */

29
bfd/coffcode.h
View File

@ -637,7 +637,7 @@ sec_to_styp_flags (const char *sec_name, flagword sec_flags)
/* FIXME: There is no gas syntax to specify the debug section flag. */
if (CONST_STRNEQ (sec_name, DOT_DEBUG)
|| CONST_STRNEQ (sec_name, GNU_LINKONCE_WI))
sec_flags = SEC_DEBUGGING;
sec_flags = SEC_DEBUGGING | SEC_READONLY;
/* skip LOAD */
/* READONLY later */
@ -666,19 +666,14 @@ sec_to_styp_flags (const char *sec_name, flagword sec_flags)
/* skip LINK_DUPLICATES */
/* skip LINKER_CREATED */
if (sec_flags & (SEC_ALLOC | SEC_LOAD))
{
/* For now, the read/write bits are mapped onto SEC_READONLY, even
though the semantics don't quite match. The bits from the input
are retained in pei_section_data(abfd, section)->pe_flags. */
styp_flags |= IMAGE_SCN_MEM_READ; /* Always readable. */
if ((sec_flags & SEC_READONLY) == 0)
styp_flags |= IMAGE_SCN_MEM_WRITE; /* Invert READONLY for write. */
if (sec_flags & SEC_CODE)
styp_flags |= IMAGE_SCN_MEM_EXECUTE; /* CODE->EXECUTE. */
if (sec_flags & SEC_COFF_SHARED)
styp_flags |= IMAGE_SCN_MEM_SHARED; /* Shared remains meaningful. */
}
if ((sec_flags & SEC_COFF_NOREAD) == 0)
styp_flags |= IMAGE_SCN_MEM_READ; /* Invert NOREAD for read. */
if ((sec_flags & SEC_READONLY) == 0)
styp_flags |= IMAGE_SCN_MEM_WRITE; /* Invert READONLY for write. */
if (sec_flags & SEC_CODE)
styp_flags |= IMAGE_SCN_MEM_EXECUTE; /* CODE->EXECUTE. */
if (sec_flags & SEC_COFF_SHARED)
styp_flags |= IMAGE_SCN_MEM_SHARED; /* Shared remains meaningful. */
return styp_flags;
}
@ -1117,6 +1112,10 @@ styp_to_sec_flags (bfd *abfd,
/* Assume read only unless IMAGE_SCN_MEM_WRITE is specified. */
sec_flags = SEC_READONLY;
/* If section disallows read, then set the NOREAD flag. */
if ((styp_flags & IMAGE_SCN_MEM_READ) == 0)
sec_flags |= SEC_COFF_NOREAD;
/* Process each flag bit in styp_flags in turn. */
while (styp_flags)
{
@ -1149,7 +1148,7 @@ styp_to_sec_flags (bfd *abfd,
break;
#endif
case IMAGE_SCN_MEM_READ:
/* Ignored, assume it always to be true. */
sec_flags &= ~SEC_COFF_NOREAD;
break;
case IMAGE_SCN_TYPE_NO_PAD:
/* Skip. */

4
bfd/section.c
View File

@ -343,6 +343,10 @@ CODE_FRAGMENT
. TMS320C54X only. *}
.#define SEC_TIC54X_CLINK 0x20000000
.
. {* Indicate that section has the no read flag set. This happens
. when memory read flag isn't set. *}
.#define SEC_COFF_NOREAD 0x40000000
.
. {* End of section flags. *}
.
. {* Some internal packed boolean fields. *}