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[Qemu-devel] [PULL v3 11/20] linux-user: add gcov support to preexit_cle
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PULL v3 11/20] linux-user: add gcov support to preexit_cleanup |
Date: |
Thu, 5 Jul 2018 17:03:20 +0100 |
As we don't always take the normal exit path when running a guest we
can skip the normal exit destructors where gcov normally dumps it's
info. The GCC manual suggests long running programs use __gcov_dump()
to flush out the coverage state periodically so we use that here.
Signed-off-by: Alex Bennée <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
diff --git a/linux-user/exit.c b/linux-user/exit.c
index aed8713fae..14e94e28fa 100644
--- a/linux-user/exit.c
+++ b/linux-user/exit.c
@@ -19,10 +19,17 @@
#include "qemu/osdep.h"
#include "qemu.h"
+#ifdef CONFIG_GCOV
+extern void __gcov_dump(void);
+#endif
+
void preexit_cleanup(CPUArchState *env, int code)
{
#ifdef TARGET_GPROF
_mcleanup();
+#endif
+#ifdef CONFIG_GCOV
+ __gcov_dump();
#endif
gdb_exit(env, code);
}
--
2.17.1
- [Qemu-devel] [PULL v3 05/20] .gitignore: add .gcov files, (continued)
- [Qemu-devel] [PULL v3 05/20] .gitignore: add .gcov files, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 03/20] travis: test out-of-tree builds, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 12/20] docker: ubuntu: Update the package list before installing new ones, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 10/20] linux-user: introduce preexit_cleanup, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 13/20] docker: ubuntu: Use SDL2, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 19/20] docker: add special rule for deboostrapped images, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 06/20] docker: add gcovr to travis image, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 08/20] build-system: add clean-coverage target, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 02/20] travis: do not waste time cloning unused submodules, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 07/20] travis: add gcovr summary for GCOV build, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 11/20] linux-user: add gcov support to preexit_cleanup,
Alex Bennée <=
- [Qemu-devel] [PULL v3 15/20] docker: Do not run tests in 'intermediate' images, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 09/20] build-system: add coverage-report target, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 18/20] docker: add special handling for FROM:debian-%-user targets, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 14/20] docker: Clean the MXE base image, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 17/20] docker: debian-bootstrap.pre allow customising of variant/url, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 16/20] docker: drop QEMU build-dep from bootstrap, Alex Bennée, 2018/07/05
- [Qemu-devel] [PULL v3 20/20] docker: add linux-user powered cross builder for QEMU, Alex Bennée, 2018/07/05
- Re: [Qemu-devel] [PULL v3 00/20] Travis, Code Coverage and Cross Build updates, Peter Maydell, 2018/07/05