On 18/07/16 18:51, Peter Maydell wrote:
(CCing qemu-devel, which is more likely to get developer attention)
Peter, thank you for your answer.
On 18 July 2016 at 15:45, Maxim Ostapenko wrote:
1) AddressSanitizer mmaps quite large regions of memory for redzones and
shadow gap. In particular
GDB server itself actually supports PIE binaries.
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https://bugs.launchpad.net/bugs/1528239
Title:
Unable to debug PIE binaries with QEMU gdb stub.
Status in QEMU:
New
Bug descripti
Public bug reported:
The issue occurs on current trunk:
max@max:~/build/qemu$ cat test.c
#include
int main() {
printf("Hello, world!\n");
return 0;
}
max@max:~/build/qemu$ gcc test.c -fPIC -pie -o bad.x
max@max:~/build/qemu$ ./x86_64-linux-user/qemu-x86_64 -g 1234 bad.x
..
Fix TARGET_SI_PAD_SIZE calculation to match the way the kernel does it.
Use different TARGET_SI_PREAMBLE_SIZE for 32-bit and 64-bit targets.
Signed-off-by: Maxim Ostapenko
---
linux-user/syscall_defs.h | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall_defs.h b/
efine TARGET_SI_PREAMBLE_SIZE (3 * sizeof(int))
+#else
+#define TARGET_SI_PREAMBLE_SIZE (4 * sizeof(int))
+#endif
+
+#define TARGET_SI_PAD_SIZE ((TARGET_SI_MAX_SIZE -
TARGET_SI_PREAMBLE_SIZE) / sizeof(int))
typedef struct target_siginfo {
#ifdef TARGET_MIPS
--
Signed-off-by: Maxim Ostapenko
1.8.5.2
Public bug reported:
Running GCC 5.0 testsuite under qemu-aarch64, I noticed that tests
connected with stack unwinding fail with:
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
or run into infinite loop.
Here is one example:
$ /home/max/build/gcc-aarch64/gcc/xgcc -B/home/ma
Hi,
Is this patch deployed in new version of QEMU?
Thanks,
Maxim
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https://bugs.launchpad.net/bugs/1299190
Title:
Access to /proc/self/exe in linux-user mode
Status in QEMU:
New
B
Ok, fixed.
** Patch added: "qemu.patch"
https://bugs.launchpad.net/qemu/+bug/1299190/+attachment/4062748/+files/qemu.patch
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https://bugs.launchpad.net/bugs/1299190
Title:
Access t
Yes, it works. Here is updated patch.
** Patch added: "qemu.patch"
https://bugs.launchpad.net/qemu/+bug/1299190/+attachment/4062345/+files/qemu.patch
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This tiny patch seems to work.
** Patch added: "qemu.patch"
https://bugs.launchpad.net/qemu/+bug/1299190/+attachment/4055887/+files/qemu.patch
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https://bugs.launchpad.net/bugs/129919
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