x86, asm: Make _ASM_EXTABLE() usable from assembly code
We have had this convenient macro _ASM_EXTABLE() to generate exception table entry in inline assembly. Make it also usable for pure assembly. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
parent
fe9b4e4e40
commit
709972b1f6
1 changed files with 9 additions and 1 deletions
|
@ -3,7 +3,7 @@
|
||||||
|
|
||||||
#ifdef __ASSEMBLY__
|
#ifdef __ASSEMBLY__
|
||||||
# define __ASM_FORM(x) x
|
# define __ASM_FORM(x) x
|
||||||
# define __ASM_EX_SEC .section __ex_table
|
# define __ASM_EX_SEC .section __ex_table, "a"
|
||||||
#else
|
#else
|
||||||
# define __ASM_FORM(x) " " #x " "
|
# define __ASM_FORM(x) " " #x " "
|
||||||
# define __ASM_EX_SEC " .section __ex_table,\"a\"\n"
|
# define __ASM_EX_SEC " .section __ex_table,\"a\"\n"
|
||||||
|
@ -38,10 +38,18 @@
|
||||||
#define _ASM_DI __ASM_REG(di)
|
#define _ASM_DI __ASM_REG(di)
|
||||||
|
|
||||||
/* Exception table entry */
|
/* Exception table entry */
|
||||||
|
#ifdef __ASSEMBLY__
|
||||||
|
# define _ASM_EXTABLE(from,to) \
|
||||||
|
__ASM_EX_SEC ; \
|
||||||
|
_ASM_ALIGN ; \
|
||||||
|
_ASM_PTR from , to ; \
|
||||||
|
.previous
|
||||||
|
#else
|
||||||
# define _ASM_EXTABLE(from,to) \
|
# define _ASM_EXTABLE(from,to) \
|
||||||
__ASM_EX_SEC \
|
__ASM_EX_SEC \
|
||||||
_ASM_ALIGN "\n" \
|
_ASM_ALIGN "\n" \
|
||||||
_ASM_PTR #from "," #to "\n" \
|
_ASM_PTR #from "," #to "\n" \
|
||||||
" .previous\n"
|
" .previous\n"
|
||||||
|
#endif
|
||||||
|
|
||||||
#endif /* _ASM_X86_ASM_H */
|
#endif /* _ASM_X86_ASM_H */
|
||||||
|
|
Loading…
Reference in a new issue