patches/strace/4.5.15/120-fix-arm-bad-syscall.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Aug 23 20:21:43 2010 +0200 (2010-08-23)
changeset 2097 056a2c826185
parent 746 b150d6f590fc
permissions -rw-r--r--
binutils/binutils: companion libraries are not used

GNU binutils does not use the companion libraries, although
./configure advertises switches for them. This is because the
configure file is shared between different packages, and is
a bit 'lax' about what it checks. See:
http://sourceware.org/ml/crossgcc/2010-08/msg00160.html
http://sourceware.org/ml/crossgcc/2010-08/msg00161.html

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 diff -dur strace-4.5.15.orig/syscall.c strace-4.5.15/syscall.c
     2 --- strace-4.5.15.orig/syscall.c	2006-12-21 23:13:33.000000000 +0100
     3 +++ strace-4.5.15/syscall.c	2007-07-14 19:21:44.000000000 +0200
     4 @@ -1045,6 +1045,15 @@
     5  		/*
     6  		 * Note: we only deal with only 32-bit CPUs here.
     7  		 */
     8 +
     9 +		if (!(tcp->flags & TCB_INSYSCALL) &&
    10 +		    (tcp->flags & TCB_WAITEXECVE)) {
    11 +			/* caught a fake syscall from the execve's exit */
    12 +			tcp->flags &= ~TCB_WAITEXECVE;
    13 +			return 0;
    14 +		}
    15 + 
    16 +
    17  		if (regs.ARM_cpsr & 0x20) {
    18  			/*
    19  			 * Get the Thumb-mode system call number