diff options
| author | Alex Bennée <alex.bennee@linaro.org> | 2019-12-05 12:25:12 +0000 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2019-12-19 08:20:16 +0000 |
| commit | 11d9605623b43c2006dbf8f5135b4a5a3a8fb9e8 (patch) | |
| tree | 0b3b66fac78702323f5e166b119a528b721be06f | |
| parent | 88893f7c942ab1470af3e2890044a4228b540cd5 (diff) | |
linux-user: convert target_mprotect debug to tracepoint
It is a pain to re-compile when you need to debug and tracepoints are
a fairly low impact way to instrument QEMU.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-2-alex.bennee@linaro.org>
| -rw-r--r-- | linux-user/mmap.c | 10 | ||||
| -rw-r--r-- | linux-user/trace-events | 3 |
2 files changed, 5 insertions, 8 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 46a6e3a761..26a83e7406 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -17,7 +17,7 @@ * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "qemu/osdep.h" - +#include "trace.h" #include "qemu.h" //#define DEBUG_MMAP @@ -66,13 +66,7 @@ int target_mprotect(abi_ulong start, abi_ulong len, int prot) abi_ulong end, host_start, host_end, addr; int prot1, ret; -#ifdef DEBUG_MMAP - printf("mprotect: start=0x" TARGET_ABI_FMT_lx - "len=0x" TARGET_ABI_FMT_lx " prot=%c%c%c\n", start, len, - prot & PROT_READ ? 'r' : '-', - prot & PROT_WRITE ? 'w' : '-', - prot & PROT_EXEC ? 'x' : '-'); -#endif + trace_target_mprotect(start, len, prot); if ((start & ~TARGET_PAGE_MASK) != 0) return -TARGET_EINVAL; diff --git a/linux-user/trace-events b/linux-user/trace-events index 6df234bbb6..8419243de4 100644 --- a/linux-user/trace-events +++ b/linux-user/trace-events @@ -11,3 +11,6 @@ user_handle_signal(void *env, int target_sig) "env=%p signal %d" user_host_signal(void *env, int host_sig, int target_sig) "env=%p signal %d (target %d(" user_queue_signal(void *env, int target_sig) "env=%p signal %d" user_s390x_restore_sigregs(void *env, uint64_t sc_psw_addr, uint64_t env_psw_addr) "env=%p frame psw.addr 0x%"PRIx64 " current psw.addr 0x%"PRIx64 + +# mmap.c +target_mprotect(uint64_t start, uint64_t len, int flags) "start=0x%"PRIx64 " len=0x%"PRIx64 " prot=0x%x" |