The recent change to make x86_64 support i386 binaries compiled
with -mregparm=3 only covered signal handlers without SA_SIGINFO.
(the 3-arg "real-time" ones)
To be compatible with i386, both types should be supported.
Signed-off-by: Albert Cahalan <[email protected]>
diff -Naurd old/arch/x86_64/ia32/ia32_signal.c
new/arch/x86_64/ia32/ia32_signal.c
--- old/arch/x86_64/ia32/ia32_signal.c 2006-10-29 20:36:01.000000000 -0500
+++ new/arch/x86_64/ia32/ia32_signal.c 2006-10-29 21:58:01.000000000 -0500
@@ -579,6 +579,11 @@
regs->rsp = (unsigned long) frame;
regs->rip = (unsigned long) ka->sa.sa_handler;
+ /* Make -mregparm=3 work */
+ regs->rax = sig;
+ regs->rdx = (unsigned long) &frame->info;
+ regs->rcx = (unsigned long) &frame->uc;
+
asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
-
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