patches/strace/4.5.17/120-fix-arm-bad-syscall.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Jul 12 23:52:24 2011 +0200 (2011-07-12)
branch1.11
changeset 2558 b7317d2fe0e9
parent 747 d3e603e7c17c
permissions -rw-r--r--
scripts, cc/gcc: do not fail on existing symlinks or build.log

If the user builds a toolchain over an existing one, so, without removing
CT_PREFIX_DIR, the build fails as the symlinks already exist, as does the
build.log.

This can also happen (for build.log) if the user first ran in download-
or extract-only.

Patch (with no SoB) originally from:
Phil Wilshire <phil.wilshire@overturenetworks.com>

Modified by me as it did not apply cleanly.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 1ebc2248cc60230cd53ff94ae8f8f1e3261461a3)
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Original patch from gentoo: ../../dev/crosstool-NG/ct-ng.trunk/patches/strace/4.5.17/120-fix-arm-bad-syscall.patch
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-= BEGIN original header =-
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diff -dur strace-4.5.16.orig/syscall.c strace-4.5.16/syscall.c
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-= END original header =-
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diff -durN strace-4.5.17.orig/syscall.c strace-4.5.17/syscall.c
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--- strace-4.5.17.orig/syscall.c	2008-05-28 01:18:29.000000000 +0200
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+++ strace-4.5.17/syscall.c	2008-10-24 21:30:13.000000000 +0200
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@@ -1016,6 +1016,15 @@
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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