patches/strace/4.5.19/110-fix-arm-bad-syscall.patch
author Remy Bohmer <linux@bohmer.net>
Fri Apr 09 21:04:38 2010 +0200 (2010-04-09)
branch1.6
changeset 1923 37613068818d
permissions -rw-r--r--
libc/newlib: the m68k processor does not like unaligned

Disable unaligned access at least for mcpu32, m68010 and m68020.
These processors certainly do not like unaligned accesses.

Signed-off-by: Remy Bohmer <linux@bohmer.net>
(transplanted from faade25219ed565993b7b26357991d3130697515)
yann@1613
     1
diff -durN strace-4.5.19.orig/syscall.c strace-4.5.19/syscall.c
yann@1613
     2
--- strace-4.5.19.orig/syscall.c	2009-10-12 21:54:21.000000000 +0200
yann@1613
     3
+++ strace-4.5.19/syscall.c	2009-10-28 18:47:18.000000000 +0100
yann@1613
     4
@@ -1022,6 +1022,15 @@
yann@1613
     5
 		/*
yann@1613
     6
 		 * Note: we only deal with only 32-bit CPUs here.
yann@1613
     7
 		 */
yann@1613
     8
+
yann@1613
     9
+		if (!(tcp->flags & TCB_INSYSCALL) &&
yann@1613
    10
+		    (tcp->flags & TCB_WAITEXECVE)) {
yann@1613
    11
+			/* caught a fake syscall from the execve's exit */
yann@1613
    12
+			tcp->flags &= ~TCB_WAITEXECVE;
yann@1613
    13
+			return 0;
yann@1613
    14
+		}
yann@1613
    15
+
yann@1613
    16
+
yann@1613
    17
 		if (regs.ARM_cpsr & 0x20) {
yann@1613
    18
 			/*
yann@1613
    19
 			 * Get the Thumb-mode system call number