diff options
author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2006-10-02 05:17:31 -0400 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 10:57:16 -0400 |
commit | b3f827cb0fe0660c2eacea2c2f9bdb1f225ff768 (patch) | |
tree | ae912b3b929526184eeca0519550635dc39b5362 /include/asm-ia64/ptrace.h | |
parent | 412998cf6bce78b8dc5f68660e09bf3b4fcbb210 (diff) |
[PATCH] Add regs_return_value() helper
Add the regs_return_value() macro to extract the return value in an
architecture agnostic manner, given the pt_regs.
Other architecture maintainers may want to add similar helpers.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-ia64/ptrace.h')
-rw-r--r-- | include/asm-ia64/ptrace.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h index 1414316efd40..f4ef87a36236 100644 --- a/include/asm-ia64/ptrace.h +++ b/include/asm-ia64/ptrace.h | |||
@@ -241,6 +241,9 @@ struct switch_stack { | |||
241 | * the canonical representation by adding to instruction pointer. | 241 | * the canonical representation by adding to instruction pointer. |
242 | */ | 242 | */ |
243 | # define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri) | 243 | # define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri) |
244 | |||
245 | #define regs_return_value(regs) ((regs)->r8) | ||
246 | |||
244 | /* Conserve space in histogram by encoding slot bits in address | 247 | /* Conserve space in histogram by encoding slot bits in address |
245 | * bits 2 and 3 rather than bits 0 and 1. | 248 | * bits 2 and 3 rather than bits 0 and 1. |
246 | */ | 249 | */ |