On Fri, Apr 05, 2002 at 11:11:03PM +0100, Philip Blundell wrote:
> Strace doesn't appear to behave properly. It just displays the first
> "execve" line, and then nothing further (though the inferior runs to
> completion as normal). An identical strace binary seems to work OK on
> one of my other machines, so perhaps this is a kernel problem of some
> kind.
Ok, this should fix the ptrace bug - please test and let me know.
(I've not tested it myself).
diff -ur ref/arch/arm/lib/getconsdata.c linux/arch/arm/lib/getconsdata.c
--- ref/arch/arm/lib/getconsdata.c Sat Jan 8 18:49:58 2000
+++ linux/arch/arm/lib/getconsdata.c Sat Apr 6 16:52:22 2002
@@ -27,6 +27,7 @@
unsigned long TSK_STATE = OFF_TSK(state);
unsigned long TSK_FLAGS = OFF_TSK(flags);
+unsigned long TSK_PTRACE = OFF_TSK(ptrace);
unsigned long TSK_NEED_RESCHED = OFF_TSK(need_resched);
unsigned long TSK_SIGPENDING = OFF_TSK(sigpending);
unsigned long TSK_USED_MATH = OFF_TSK(used_math);
diff -ur ref/arch/arm/kernel/entry-common.S linux/arch/arm/kernel/entry-common.S
--- ref/arch/arm/kernel/entry-common.S Mon Apr 9 21:20:46 2001
+++ linux/arch/arm/kernel/entry-common.S Sat Apr 6 16:52:36 2002
@@ -101,7 +101,7 @@
bcs 2f
get_current_task r7
- ldr ip, [r7, #TSK_FLAGS] @ check for syscall tracing
+ ldr ip, [r7, #TSK_PTRACE] @ check for syscall tracing
adr r5, SYMBOL_NAME(sys_call_table)
tst ip, #PF_TRACESYS
ldreq pc, [r5, r6, lsl #2] @ call sys routine
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