diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-06-24 17:41:09 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-24 17:41:09 -0400 |
commit | ca195cfec9fff622a61b1b72534e73360747f735 (patch) | |
tree | a98ce000e4ad01909155cad73e1ce5d1ff150117 /arch/arm/kernel/signal.c | |
parent | aca6ca10974aa78adfb47291722ce851160213e4 (diff) |
[ARM] Add identifying number for non-rt sigframe
GDB couldn't reliably tell the difference between the old and new
non-rt sigframes, so provide it with a number at the beginning which
will never appear in the old sigframe, and hence provide gdb with a
reliable way to tell the two apart.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/signal.c')
-rw-r--r-- | arch/arm/kernel/signal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 962851144099..c0ba8afee42f 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c | |||
@@ -470,6 +470,11 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg | |||
470 | if (!frame) | 470 | if (!frame) |
471 | return 1; | 471 | return 1; |
472 | 472 | ||
473 | /* | ||
474 | * Set uc.uc_flags to a value which sc.trap_no would never have. | ||
475 | */ | ||
476 | __put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err); | ||
477 | |||
473 | err |= setup_sigframe(frame, regs, set); | 478 | err |= setup_sigframe(frame, regs, set); |
474 | if (err == 0) | 479 | if (err == 0) |
475 | err = setup_return(regs, ka, frame->retcode, frame, usig); | 480 | err = setup_return(regs, ka, frame->retcode, frame, usig); |