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[PULL,v2,5/6] linux-user: fix the breakpoint inheritance in spawned threads

Message ID 1d085f6cae51b1a0fb92ad03ce8bf038e29c9750.1434438233.git.riku.voipio@linaro.org
State New
Headers show

Commit Message

Riku Voipio June 16, 2015, 7:06 a.m. UTC 
From: Thierry Bultel <thierry.bultel@basystemes.fr>

When a thread is spawned, cpu_copy re-initializes
the bp & wp lists of current thread, instead of the ones
of the new thread.
The effect is that breakpoints are no longer hit.

Signed-off-by: Thierry Bultel <thierry.bultel@basystemes.fr>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 linux-user/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/linux-user/main.c b/linux-user/main.c
index a0d3e58..c855bcc 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -3459,8 +3459,8 @@  CPUArchState *cpu_copy(CPUArchState *env)
     /* Clone all break/watchpoints.
        Note: Once we support ptrace with hw-debug register access, make sure
        BP_CPU break/watchpoints are handled correctly on clone. */
-    QTAILQ_INIT(&cpu->breakpoints);
-    QTAILQ_INIT(&cpu->watchpoints);
+    QTAILQ_INIT(&new_cpu->breakpoints);
+    QTAILQ_INIT(&new_cpu->watchpoints);
     QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) {
         cpu_breakpoint_insert(new_cpu, bp->pc, bp->flags, NULL);
     }