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This patch adds a new pseudo-op - .seh_code - to structured exception handling

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suite of ops.  It changes the current section back to the code section of the
current function.  This is helpful because the code section may not be .text.

	* config/obj-coff-seh.c (obj_coff_seh_code): New function -
	switches the current segment back to the code segment recorded
	when seh_proc was last invoked.
	* config/obj-coff-seh.h (SEH_CMDS): Add seh_code.
This commit is contained in:
Nick Clifton
2014-03-25 16:50:10 +00:00
parent bc9a55253e
commit 3c6256d29e
3 changed files with 17 additions and 1 deletions
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7
gas/ChangeLog
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@ -1,3 +1,10 @@
2014-03-25 Nick Clifton <nickc@redhat.com>
* config/obj-coff-seh.c (obj_coff_seh_code): New function -
switches the current segment back to the code segment recorded
when seh_proc was last invoked.
* config/obj-coff-seh.h (SEH_CMDS): Add seh_code.
2014-03-25 Alan Modra <amodra@gmail.com>
* config/tc-ppc.c (ppc_is_toc_sym): Revert 2014-03-05.

7
gas/config/obj-coff-seh.c
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@ -169,6 +169,13 @@ seh_validate_seg (const char *directive)
return 0;
}
/* Switch back to the code section, whatever that may be. */
static void
obj_coff_seh_code (int ignored ATTRIBUTE_UNUSED)
{
subseg_set (seh_ctx_cur->code_seg, 0);
}
static void
switch_xdata (int subseg, segT code_seg)
{

4
gas/config/obj-coff-seh.h
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@ -56,6 +56,7 @@
.seh_savereg
.seh_savexmm
.seh_pushframe
.seh_code
*/
/* architecture specific pdata/xdata handling. */
@ -73,6 +74,7 @@
{"seh_32", obj_coff_seh_32, 1}, \
{"seh_no32", obj_coff_seh_32, 0}, \
{"seh_handler", obj_coff_seh_handler, 0}, \
{"seh_code", obj_coff_seh_code, 0}, \
{"seh_handlerdata", obj_coff_seh_handlerdata, 0},
/* Type definitions. */
@ -148,6 +150,7 @@ static void obj_coff_seh_32 (int);
static void obj_coff_seh_proc (int);
static void obj_coff_seh_handler (int);
static void obj_coff_seh_handlerdata (int);
static void obj_coff_seh_code (int);
#define UNDSEC bfd_und_section_ptr
@ -201,4 +204,3 @@ static void obj_coff_seh_handlerdata (int);
PEX64_SCOPE_ENTRY_SIZE * (IDX))
#endif