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trace cfree, vfree and mremap + code cleanuo

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add aditinal functions for trace: cfree(), vfree() and mremap()
do some code cleanups
This commit is contained in:
Stefani Seibold 2015-04-29 10:17:07 +02:00
parent fc303d05be
commit 201ac47155
2 changed files with 53 additions and 59 deletions
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1
event.c
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@ -280,6 +280,7 @@ static struct task *handle_breakpoint(struct task *task)
if (task->breakpoint) {
task->libsym = libsym;
task->breakpoint->on_hit = handle_call_after;
enable_scratch_hw_bp(task, task->breakpoint);
}
}

111
report.c
View File

@ -114,10 +114,10 @@ static int _report_malloc(struct task *task, struct library_symbol *libsym)
if (!server_connected())
return -1;
unsigned long len = fetch_param(task, 0);
unsigned long size = fetch_param(task, 0);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_MALLOC, ret, len, options.bt_depth);
return report_alloc(task, MT_MALLOC, ret, size, options.bt_depth);
}
static int report_free(struct task *task, struct library_symbol *libsym)
@ -136,11 +136,11 @@ static int _report_realloc(struct task *task, struct library_symbol *libsym)
return -1;
unsigned long addr = fetch_param(task, 0);
unsigned long len = fetch_param(task, 1);
unsigned long size = fetch_param(task, 1);
unsigned long ret = fetch_retval(task);
if (ret)
return report_alloc(task, MT_REALLOC, ret, len, options.bt_depth);
return report_alloc(task, MT_REALLOC, ret, size, options.bt_depth);
else
return report_alloc(task, MT_REALLOC_FAILED, addr, 1, options.bt_depth);
}
@ -151,9 +151,9 @@ static int report_realloc(struct task *task, struct library_symbol *libsym)
return -1;
unsigned long addr = fetch_param(task, 0);
unsigned long len = fetch_param(task, 1);
unsigned long size = fetch_param(task, 1);
return report_alloc(task, MT_REALLOC_ENTER, addr, len, options.bt_depth);
return report_alloc(task, MT_REALLOC_ENTER, addr, size, options.bt_depth);
}
static int _report_calloc(struct task *task, struct library_symbol *libsym)
@ -161,15 +161,10 @@ static int _report_calloc(struct task *task, struct library_symbol *libsym)
if (!server_connected())
return -1;
unsigned long len = fetch_param(task, 0) * fetch_param(task, 1);
unsigned long size = fetch_param(task, 0) * fetch_param(task, 1);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_MALLOC, ret, len, options.bt_depth);
}
static inline unsigned long roundup_mask(unsigned long val, unsigned long mask)
{
return (val + mask) & ~mask;
return report_alloc(task, MT_MALLOC, ret, size, options.bt_depth);
}
static int _report_mmap(struct task *task, struct library_symbol *libsym)
@ -182,11 +177,9 @@ static int _report_mmap(struct task *task, struct library_symbol *libsym)
if ((void *)ret == MAP_FAILED)
return 0;
unsigned long len = fetch_param(task, 1);
unsigned long size = fetch_param(task, 1);
len = roundup_mask(len, PAGE_SIZE -1);
return report_alloc(task, MT_MMAP, ret, len, options.bt_depth);
return report_alloc(task, MT_MMAP, ret, size, options.bt_depth);
}
static int _report_mmap64(struct task *task, struct library_symbol *libsym)
@ -205,21 +198,18 @@ static int _report_mmap64(struct task *task, struct library_symbol *libsym)
uint32_t v1;
uint32_t v2;
} v;
} len;
} size;
len.l = fetch_param(task, 1);
size.l = fetch_param(task, 1);
if (!task->is_64bit) {
len.v.v1 = fetch_param(task, 1);
len.v.v2 = fetch_param(task, 2);
size.v.v1 = fetch_param(task, 1);
size.v.v2 = fetch_param(task, 2);
}
else
len.l = fetch_param(task, 1);
size.l = fetch_param(task, 1);
ret &= ~(PAGE_SIZE -1);
len.l = roundup_mask(len.l, PAGE_SIZE -1);
return report_alloc(task, MT_MMAP64, ret, len.l, options.bt_depth);
return report_alloc(task, MT_MMAP64, ret, size.l, options.bt_depth);
}
static int report_munmap(struct task *task, struct library_symbol *libsym)
@ -228,12 +218,9 @@ static int report_munmap(struct task *task, struct library_symbol *libsym)
return -1;
unsigned long addr = fetch_param(task, 0);
unsigned long len = fetch_param(task, 1);
unsigned long size = fetch_param(task, 1);
addr &= ~(PAGE_SIZE -1);
len = roundup_mask(len, PAGE_SIZE -1);
return report_alloc(task, MT_MUNMAP, addr, len, 0);
return report_alloc(task, MT_MUNMAP, addr, size, 0);
}
static int _report_memalign(struct task *task, struct library_symbol *libsym)
@ -241,10 +228,10 @@ static int _report_memalign(struct task *task, struct library_symbol *libsym)
if (!server_connected())
return -1;
unsigned long len = fetch_param(task, 1);
unsigned long size = fetch_param(task, 1);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_MEMALIGN, ret, len, options.bt_depth);
return report_alloc(task, MT_MEMALIGN, ret, size, options.bt_depth);
}
static int _report_posix_memalign(struct task *task, struct library_symbol *libsym)
@ -257,7 +244,7 @@ static int _report_posix_memalign(struct task *task, struct library_symbol *libs
if (ret)
return 0;
unsigned long len = fetch_param(task, 2);
unsigned long size = fetch_param(task, 2);
unsigned long ptr = fetch_param(task, 0);
unsigned long new_ptr;
@ -271,7 +258,7 @@ static int _report_posix_memalign(struct task *task, struct library_symbol *libs
new_ptr = tmp;
}
return report_alloc(task, MT_POSIX_MEMALIGN, new_ptr, len, options.bt_depth);
return report_alloc(task, MT_POSIX_MEMALIGN, new_ptr, size, options.bt_depth);
}
static int _report_aligned_alloc(struct task *task, struct library_symbol *libsym)
@ -279,10 +266,10 @@ static int _report_aligned_alloc(struct task *task, struct library_symbol *libsy
if (!server_connected())
return -1;
unsigned long len = fetch_param(task, 1);
unsigned long size = fetch_param(task, 1);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_ALIGNED_ALLOC, ret, len, options.bt_depth);
return report_alloc(task, MT_ALIGNED_ALLOC, ret, size, options.bt_depth);
}
static int _report_valloc(struct task *task, struct library_symbol *libsym)
@ -290,10 +277,10 @@ static int _report_valloc(struct task *task, struct library_symbol *libsym)
if (!server_connected())
return -1;
unsigned long len = fetch_param(task, 0);
unsigned long size = fetch_param(task, 0);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_VALLOC, ret, len, options.bt_depth);
return report_alloc(task, MT_VALLOC, ret, size, options.bt_depth);
}
static int _report_pvalloc(struct task *task, struct library_symbol *libsym)
@ -301,17 +288,26 @@ static int _report_pvalloc(struct task *task, struct library_symbol *libsym)
if (!server_connected())
return -1;
unsigned long len = fetch_param(task, 0);
unsigned long size = fetch_param(task, 0);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_PVALLOC, ret, len, options.bt_depth);
return report_alloc(task, MT_PVALLOC, ret, size, options.bt_depth);
}
static int report_ni(struct task *task, struct library_symbol *libsym)
static int report_mremap(struct task *task, struct library_symbol *libsym)
{
fprintf(stderr, "%s not implemented!!!\n", libsym->func->name);
unsigned long addr = fetch_param(task, 0);
unsigned long size = fetch_param(task, 1);
return 0;
return report_alloc(task, MT_MUNMAP, addr, size, 0);
}
static int _report_mremap(struct task *task, struct library_symbol *libsym)
{
unsigned long size = fetch_param(task, 2);
unsigned long ret = fetch_retval(task);
return report_alloc(task, MT_MMAP, ret, size, options.bt_depth);
}
static const struct function flist[] = {
@ -327,25 +323,22 @@ static const struct function flist[] = {
{ "aligned_alloc", 11, NULL, _report_aligned_alloc },
{ "valloc", 12, NULL, _report_valloc },
{ "pvalloc", 13, NULL, _report_pvalloc },
{ "mremap", 14, report_ni, NULL },
#if 0
{ "cfree", 14, report_free, NULL },
{ "vfree", 14, report_free, NULL },
#endif
#if 1
{ "mremap", 14, report_mremap, _report_mremap},
{ "cfree", 15, report_free, NULL },
{ "vfree", 16, report_free, NULL },
/*
* support for Google gperftools
* the c++ operators new and delete do not call malloc() and free()
*/
{ "tc_delete", 14, report_free, NULL },
{ "tc_deletearray", 14, report_free, NULL },
{ "tc_deletearray_nothrow", 14, report_free, NULL },
{ "tc_delete_nothrow", 14, report_free, NULL },
{ "tc_new", 14, NULL, _report_malloc },
{ "tc_newarray", 14, NULL, _report_malloc },
{ "tc_newarray_nothrow", 14, NULL, _report_malloc },
{ "tc_new_nothrow", 14, NULL, _report_malloc },
#endif
{ "tc_delete", 17, report_free, NULL },
{ "tc_deletearray", 18, report_free, NULL },
{ "tc_deletearray_nothrow", 19, report_free, NULL },
{ "tc_delete_nothrow", 20, report_free, NULL },
{ "tc_new", 21, NULL, _report_malloc },
{ "tc_newarray", 22, NULL, _report_malloc },
{ "tc_newarray_nothrow", 23, NULL, _report_malloc },
{ "tc_new_nothrow", 24, NULL, _report_malloc },
};
const struct function *flist_matches_symbol(const char *sym_name)