patches/strace/4.5.17/120-fix-arm-bad-syscall.patch
author Johannes Stezenbach <js@sig21.net>
Mon Feb 13 21:10:06 2012 +0100 (2012-02-13)
branch1.14
changeset 2914 9362b3751bbc
parent 747 d3e603e7c17c
permissions -rw-r--r--
docs/known-issues: add note about build issue on x86_64 with 32bit userspace

Signed-off-by: Johannes Stezenbach <js@sig21.net>
(transplanted from da77b5e7cb9f921d0e2a22818b7945906100e704)
     1 Original patch from gentoo: ../../dev/crosstool-NG/ct-ng.trunk/patches/strace/4.5.17/120-fix-arm-bad-syscall.patch
     2 -= BEGIN original header =-
     3 diff -dur strace-4.5.16.orig/syscall.c strace-4.5.16/syscall.c
     4 -= END original header =-
     5 diff -durN strace-4.5.17.orig/syscall.c strace-4.5.17/syscall.c
     6 --- strace-4.5.17.orig/syscall.c	2008-05-28 01:18:29.000000000 +0200
     7 +++ strace-4.5.17/syscall.c	2008-10-24 21:30:13.000000000 +0200
     8 @@ -1016,6 +1016,15 @@
     9  		/*
    10  		 * Note: we only deal with only 32-bit CPUs here.
    11  		 */
    12 +
    13 +		if (!(tcp->flags & TCB_INSYSCALL) &&
    14 +		    (tcp->flags & TCB_WAITEXECVE)) {
    15 +			/* caught a fake syscall from the execve's exit */
    16 +			tcp->flags &= ~TCB_WAITEXECVE;
    17 +			return 0;
    18 +		}
    19 +
    20 +
    21  		if (regs.ARM_cpsr & 0x20) {
    22  			/*
    23  			 * Get the Thumb-mode system call number