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[Qemu-devel] [PATCH] linux-user: fix multi-threaded /proc/self/maps
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH] linux-user: fix multi-threaded /proc/self/maps |
Date: |
Wed, 30 May 2012 14:45:21 +0200 |
When reading our faked /proc/self/maps from a secondary thread,
we get an invalid stack entry. This is because ts->stack_base is not
initialized in non-primary threads.
However, ts->info is, and the stack layout information we're looking
for is there too. So let's use that one instead!
Signed-off-by: Alexander Graf <address@hidden>
---
linux-user/syscall.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 39d02f8..06408bd 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -4920,8 +4920,8 @@ static int open_self_maps(void *cpu_env, int fd)
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
(unsigned long long)ts->info->stack_limit,
- (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
- & TARGET_PAGE_MASK,
+ (unsigned long long)(ts->info->start_stack +
+ (TARGET_PAGE_SIZE - 1)) &
TARGET_PAGE_MASK,
(unsigned long long)0);
#endif
--
1.6.0.2
- [Qemu-devel] [PATCH] linux-user: fix multi-threaded /proc/self/maps,
Alexander Graf <=