| Message ID | 20191205122518.10010-2-alex.bennee@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | linux-user mmap debug cleanup | expand |
On 12/5/19 4:25 AM, Alex Bennée wrote: > 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> > > --- > v2 > - don't both with ascii conversion > --- > linux-user/mmap.c | 10 ++-------- > linux-user/trace-events | 3 +++ > 2 files changed, 5 insertions(+), 8 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
Le 05/12/2019 à 13:25, Alex Bennée a écrit : > 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> > > --- > v2 > - don't both with ascii conversion > --- > linux-user/mmap.c | 10 ++-------- > linux-user/trace-events | 3 +++ > 2 files changed, 5 insertions(+), 8 deletions(-) Reviewed-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 46a6e3a761a..26a83e74069 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 6df234bbb67..8419243de4e 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"
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> --- v2 - don't both with ascii conversion --- linux-user/mmap.c | 10 ++-------- linux-user/trace-events | 3 +++ 2 files changed, 5 insertions(+), 8 deletions(-)