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authorAlex Bennée <alex.bennee@linaro.org>2019-12-05 12:25:13 +0000
committerAlex Bennée <alex.bennee@linaro.org>2019-12-19 08:20:16 +0000
commit5a67bb96b0c4ea9f089b97edf88f3f06a4611850 (patch)
tree706cb046a28240e0c957eb9a50abace57f258dbd /linux-user
parent11d9605623b43c2006dbf8f5135b4a5a3a8fb9e8 (diff)
linux-user: convert target_mmap 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: <20191205122518.10010-3-alex.bennee@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/mmap.c27
-rw-r--r--linux-user/trace-events1
2 files changed, 2 insertions, 26 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 26a83e7406..f4f10deaea 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -363,32 +363,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
abi_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
mmap_lock();
-#ifdef DEBUG_MMAP
- {
- printf("mmap: start=0x" TARGET_ABI_FMT_lx
- " len=0x" TARGET_ABI_FMT_lx " prot=%c%c%c flags=",
- start, len,
- prot & PROT_READ ? 'r' : '-',
- prot & PROT_WRITE ? 'w' : '-',
- prot & PROT_EXEC ? 'x' : '-');
- if (flags & MAP_FIXED)
- printf("MAP_FIXED ");
- if (flags & MAP_ANONYMOUS)
- printf("MAP_ANON ");
- switch(flags & MAP_TYPE) {
- case MAP_PRIVATE:
- printf("MAP_PRIVATE ");
- break;
- case MAP_SHARED:
- printf("MAP_SHARED ");
- break;
- default:
- printf("[MAP_TYPE=0x%x] ", flags & MAP_TYPE);
- break;
- }
- printf("fd=%d offset=" TARGET_ABI_FMT_lx "\n", fd, offset);
- }
-#endif
+ trace_target_mmap(start, len, prot, flags, fd, offset);
if (!len) {
errno = EINVAL;
diff --git a/linux-user/trace-events b/linux-user/trace-events
index 8419243de4..8d8d4c3c68 100644
--- a/linux-user/trace-events
+++ b/linux-user/trace-events
@@ -14,3 +14,4 @@ user_s390x_restore_sigregs(void *env, uint64_t sc_psw_addr, uint64_t env_psw_add
# mmap.c
target_mprotect(uint64_t start, uint64_t len, int flags) "start=0x%"PRIx64 " len=0x%"PRIx64 " prot=0x%x"
+target_mmap(uint64_t start, uint64_t len, int pflags, int mflags, int fd, uint64_t offset) "start=0x%"PRIx64 " len=0x%"PRIx64 " prot=0x%x flags=0x%x fd=%d offset=0x%"PRIx64