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| author | Chris Metcalf <cmetcalf@tilera.com> | 2013-08-09 15:38:43 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2013-08-30 11:56:11 -0400 |
| commit | d4d9eab4ade468b6a97b6853fdd72e8f21474324 (patch) | |
| tree | cc7ebd45a2fb7f4abc1bde7d362c8f174016dfa2 /arch/tile/include | |
| parent | 3fa17c395bb0c358745fbe0c8aa039d6cdac1735 (diff) | |
| download | blackbird-op-linux-d4d9eab4ade468b6a97b6853fdd72e8f21474324.tar.gz blackbird-op-linux-d4d9eab4ade468b6a97b6853fdd72e8f21474324.zip | |
tile: use proper .align directives on __ex_table sections
This may fix a reported bug where an R_TILEGX_64 in a module was not
pointing to an aligned address.
Reported-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/include')
| -rw-r--r-- | arch/tile/include/asm/futex.h | 1 | ||||
| -rw-r--r-- | arch/tile/include/asm/uaccess.h | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/tile/include/asm/futex.h b/arch/tile/include/asm/futex.h index 5909ac3d7218..1a6ef1b69cb1 100644 --- a/arch/tile/include/asm/futex.h +++ b/arch/tile/include/asm/futex.h @@ -43,6 +43,7 @@ ".pushsection .fixup,\"ax\"\n" \ "0: { movei %0, %5; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + ".align 8\n" \ ".quad 1b, 0b\n" \ ".popsection\n" \ "9:" \ diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h index f68503f8e0aa..b6cde3209b96 100644 --- a/arch/tile/include/asm/uaccess.h +++ b/arch/tile/include/asm/uaccess.h @@ -127,8 +127,10 @@ extern int fixup_exception(struct pt_regs *regs); #ifdef __LP64__ #define _ASM_PTR ".quad" +#define _ASM_ALIGN ".align 8" #else #define _ASM_PTR ".long" +#define _ASM_ALIGN ".align 4" #endif #define __get_user_asm(OP, x, ptr, ret) \ @@ -137,6 +139,7 @@ extern int fixup_exception(struct pt_regs *regs); "0: { movei %1, 0; movei %0, %3 }\n" \ "j 9f\n" \ ".section __ex_table,\"a\"\n" \ + _ASM_ALIGN "\n" \ _ASM_PTR " 1b, 0b\n" \ ".popsection\n" \ "9:" \ @@ -168,6 +171,7 @@ extern int fixup_exception(struct pt_regs *regs); "0: { movei %1, 0; movei %2, 0 }\n" \ "{ movei %0, %4; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + ".align 4\n" \ ".word 1b, 0b\n" \ ".word 2b, 0b\n" \ ".popsection\n" \ @@ -224,6 +228,7 @@ extern int __get_user_bad(void) ".pushsection .fixup,\"ax\"\n" \ "0: { movei %0, %3; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + _ASM_ALIGN "\n" \ _ASM_PTR " 1b, 0b\n" \ ".popsection\n" \ "9:" \ @@ -248,6 +253,7 @@ extern int __get_user_bad(void) ".pushsection .fixup,\"ax\"\n" \ "0: { movei %0, %4; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + ".align 4\n" \ ".word 1b, 0b\n" \ ".word 2b, 0b\n" \ ".popsection\n" \ |
