patches/strace/4.5.15/120-fix-arm-bad-syscall.patch
author Zhenqiang Chen <zhenqiang.chen@linaro.org>
Fri Nov 18 11:32:50 2011 +0800 (2011-11-18)
branch1.13
changeset 2841 64fe22ca6e6f
parent 746 b150d6f590fc
permissions -rw-r--r--
cc/gcc: Apply CT_CC_GCC_DISABLE_PCH to do_cc_core.

Otherwise, users have to input --disable-libstdcxx-pch option
when building bare-metal CANADIAN C++ compiler.

Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
(transplanted from e3e1c9d45bddfbfb433ee9d583faf42fa31f50c0)
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diff -dur strace-4.5.15.orig/syscall.c strace-4.5.15/syscall.c
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--- strace-4.5.15.orig/syscall.c	2006-12-21 23:13:33.000000000 +0100
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+++ strace-4.5.15/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