patches/strace/4.5.18/120-fix-arm-bad-syscall.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Mon Feb 13 21:51:48 2012 +0100 (2012-02-13)
changeset 2884 91017ae2151c
permissions -rw-r--r--
cc/gcc: do not consume parameters when parsing them

The current construct consumes the parameters while we parse them.
Change this to a construct that does not consume the parameters.

This has no impact on gcc, but is done for homogeneity with other
components (eg. glibc).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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diff -dur strace-4.5.16.orig/syscall.c strace-4.5.16/syscall.c
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--- strace-4.5.16.orig/syscall.c	2006-12-21 23:13:33.000000000 +0100
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+++ strace-4.5.16/syscall.c	2007-07-14 19:21:44.000000000 +0200
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@@ -1045,6 +1045,15 @@
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 		/*
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 		 * Note: we only deal with only 32-bit CPUs here.
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 		 */
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+
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+		if (!(tcp->flags & TCB_INSYSCALL) &&
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+		    (tcp->flags & TCB_WAITEXECVE)) {
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+			/* caught a fake syscall from the execve's exit */
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+			tcp->flags &= ~TCB_WAITEXECVE;
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+			return 0;
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+		}
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+
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+
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 		if (regs.ARM_cpsr & 0x20) {
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 			/*
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 			 * Get the Thumb-mode system call number