diff options
| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-09-15 21:11:32 +0200 |
|---|---|---|
| committer | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-09-17 23:05:25 +0200 |
| commit | b0d6d4306fcfb9dc89ebbd9568b7159dfac90a30 (patch) | |
| tree | a8328455502ae45a1d8b144a3f5da75bfe553018 | |
| parent | 449475334a7241356791cb7edaa753cb8e001062 (diff) | |
mmt: use only as much stack as needed in fastpaths
| -rw-r--r-- | mmt/mmt_trace.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/mmt/mmt_trace.c b/mmt/mmt_trace.c index 0f0d2510..abd21c61 100644 --- a/mmt/mmt_trace.c +++ b/mmt/mmt_trace.c @@ -438,6 +438,7 @@ struct mmt_mmap_data *mmt_add_region(int fd, Addr start, Addr end, } #ifdef MMT_PRINT_FILENAMES +#define MMT_NAMESTR_LEN 256 static void mydescribe(Addr inst_addr, char *namestr, int len) { char filename[100]; @@ -452,6 +453,7 @@ static void mydescribe(Addr inst_addr, char *namestr, int len) VG_(snprintf) (namestr, len, "@%08lx", inst_addr); } #else +#define MMT_NAMESTR_LEN 1 static inline void mydescribe(Addr inst_addr, char *namestr, int len) { namestr[0] = 0; @@ -462,8 +464,8 @@ VG_REGPARM(2) void mmt_trace_store(Addr addr, SizeT size, Addr inst_addr, UWord value) { struct mmt_mmap_data *region; - char valstr[64]; - char namestr[256]; + char valstr[22]; + char namestr[MMT_NAMESTR_LEN]; region = find_mmap(addr); if (likely(!region)) @@ -488,7 +490,7 @@ void mmt_trace_store(Addr addr, SizeT size, Addr inst_addr, UWord value) default: return; } - mydescribe(inst_addr, namestr, 256); + mydescribe(inst_addr, namestr, MMT_NAMESTR_LEN); VG_(message) (Vg_DebugMsg, "w %d:0x%04x, %s %s\n", region->id, (unsigned int)(addr - region->start), valstr, namestr); } @@ -497,8 +499,8 @@ VG_REGPARM(2) void mmt_trace_store2(Addr addr, SizeT size, Addr inst_addr, UWord value1, UWord value2) { struct mmt_mmap_data *region; - char valstr[64]; - char namestr[256]; + char valstr[44]; + char namestr[MMT_NAMESTR_LEN]; region = find_mmap(addr); if (likely(!region)) @@ -520,7 +522,7 @@ void mmt_trace_store2(Addr addr, SizeT size, Addr inst_addr, UWord value1, UWord return; } - mydescribe(inst_addr, namestr, 256); + mydescribe(inst_addr, namestr, MMT_NAMESTR_LEN); VG_(message) (Vg_DebugMsg, "w %d:0x%04x, %s %s\n", region->id, (unsigned int)(addr - region->start), valstr, namestr); } @@ -530,15 +532,15 @@ VG_REGPARM(2) void mmt_trace_store4(Addr addr, Addr inst_addr, UWord value1, UWord value2, UWord value3, UWord value4) { struct mmt_mmap_data *region; - char valstr[64]; - char namestr[256]; + char valstr[44]; + char namestr[MMT_NAMESTR_LEN]; region = find_mmap(addr); if (likely(!region)) return; VG_(sprintf) (valstr, "0x%08lx,0x%08lx,0x%08lx,0x%08lx", value1, value2, value3, value4); - mydescribe(inst_addr, namestr, 256); + mydescribe(inst_addr, namestr, MMT_NAMESTR_LEN); VG_(message) (Vg_DebugMsg, "w %d:0x%04x, %s %s\n", region->id, (unsigned int)(addr - region->start), valstr, namestr); } @@ -548,8 +550,8 @@ VG_REGPARM(2) void mmt_trace_load(Addr addr, SizeT size, UInt inst_addr, UWord value) { struct mmt_mmap_data *region; - char valstr[64]; - char namestr[256]; + char valstr[22]; + char namestr[MMT_NAMESTR_LEN]; region = find_mmap(addr); if (likely(!region)) @@ -574,7 +576,7 @@ void mmt_trace_load(Addr addr, SizeT size, UInt inst_addr, UWord value) default: return; } - mydescribe(inst_addr, namestr, 256); + mydescribe(inst_addr, namestr, MMT_NAMESTR_LEN); VG_(message) (Vg_DebugMsg, "r %d:0x%04x, %s %s\n", region->id, (unsigned int)(addr - region->start), valstr, namestr); } @@ -583,8 +585,8 @@ VG_REGPARM(2) void mmt_trace_load2(Addr addr, SizeT size, UInt inst_addr, UWord value1, UWord value2) { struct mmt_mmap_data *region; - char valstr[64]; - char namestr[256]; + char valstr[44]; + char namestr[MMT_NAMESTR_LEN]; region = find_mmap(addr); if (likely(!region)) @@ -605,7 +607,7 @@ void mmt_trace_load2(Addr addr, SizeT size, UInt inst_addr, UWord value1, UWord default: return; } - mydescribe(inst_addr, namestr, 256); + mydescribe(inst_addr, namestr, MMT_NAMESTR_LEN); VG_(message) (Vg_DebugMsg, "r %d:0x%04x, %s %s\n", region->id, (unsigned int)(addr - region->start), valstr, namestr); } @@ -615,15 +617,15 @@ VG_REGPARM(2) void mmt_trace_load4(Addr addr, SizeT size, UInt inst_addr, UWord value1, UWord value2, UWord value3, UWord value4) { struct mmt_mmap_data *region; - char valstr[64]; - char namestr[256]; + char valstr[44]; + char namestr[MMT_NAMESTR_LEN]; region = find_mmap(addr); if (likely(!region)) return; VG_(sprintf) (valstr, "0x%08lx,0x%08lx,0x%08lx,0x%08lx", value1, value2, value3, value4); - mydescribe(inst_addr, namestr, 256); + mydescribe(inst_addr, namestr, MMT_NAMESTR_LEN); VG_(message) (Vg_DebugMsg, "r %d:0x%04x, %s %s\n", region->id, (unsigned int)(addr - region->start), valstr, namestr); } |