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Use variadic macros for debugging 

Looks *so* much nicer!
This commit is contained in:
Behdad Esfahbod 2011-07-25 17:35:24 -04:00
parent decd4e3e16
commit 43ff203d8e
4 changed files with 56 additions and 60 deletions
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26
src/hb-blob.cc
View File

@ -243,27 +243,27 @@ _try_make_writable_inplace_unix (hb_blob_t *blob)
#endif
if ((uintptr_t) -1L == pagesize) {
DEBUG (BLOB, fprintf (stderr, "%p %s: failed to get pagesize: %s\n", (void *) blob, HB_FUNC, strerror (errno)));
DEBUG_MSG (BLOB, "%p %s: failed to get pagesize: %s\n", (void *) blob, HB_FUNC, strerror (errno));
return FALSE;
}
DEBUG (BLOB, fprintf (stderr, "%p %s: pagesize is %lu\n", (void *) blob, HB_FUNC, (unsigned long) pagesize));
DEBUG_MSG (BLOB, "%p %s: pagesize is %lu\n", (void *) blob, HB_FUNC, (unsigned long) pagesize);
mask = ~(pagesize-1);
addr = (const char *) (((uintptr_t) blob->data) & mask);
length = (const char *) (((uintptr_t) blob->data + blob->length + pagesize-1) & mask) - addr;
DEBUG (BLOB, fprintf (stderr, "%p %s: calling mprotect on [%p..%p] (%lu bytes)\n",
(void *) blob, HB_FUNC,
addr, addr+length, (unsigned long) length));
DEBUG_MSG (BLOB, "%p %s: calling mprotect on [%p..%p] (%lu bytes)\n",
(void *) blob, HB_FUNC,
addr, addr+length, (unsigned long) length);
if (-1 == mprotect ((void *) addr, length, PROT_READ | PROT_WRITE)) {
DEBUG (BLOB, fprintf (stderr, "%p %s: %s\n", (void *) blob, HB_FUNC, strerror (errno)));
DEBUG_MSG (BLOB, "%p %s: %s\n", (void *) blob, HB_FUNC, strerror (errno));
return FALSE;
}
blob->mode = HB_MEMORY_MODE_WRITABLE;
DEBUG (BLOB, fprintf (stderr, "%p %s: successfully made [%p..%p] (%lu bytes) writable\n",
(void *) blob, HB_FUNC,
addr, addr+length, (unsigned long) length));
DEBUG_MSG (BLOB, "%p %s: successfully made [%p..%p] (%lu bytes) writable\n",
(void *) blob, HB_FUNC,
addr, addr+length, (unsigned long) length);
return TRUE;
#else
return FALSE;
@ -273,12 +273,12 @@ _try_make_writable_inplace_unix (hb_blob_t *blob)
static bool
_try_writable_inplace (hb_blob_t *blob)
{
DEBUG (BLOB, fprintf (stderr, "%p %s: making writable inplace\n", (void *) blob, HB_FUNC));
DEBUG_MSG (BLOB, "%p %s: making writable inplace\n", (void *) blob, HB_FUNC);
if (_try_make_writable_inplace_unix (blob))
return TRUE;
DEBUG (BLOB, fprintf (stderr, "%p %s: making writable -> FAILED\n", (void *) blob, HB_FUNC));
DEBUG_MSG (BLOB, "%p %s: making writable -> FAILED\n", (void *) blob, HB_FUNC);
/* Failed to make writable inplace, mark that */
blob->mode = HB_MEMORY_MODE_READONLY;
@ -301,7 +301,7 @@ _try_writable (hb_blob_t *blob)
return TRUE;
DEBUG (BLOB, fprintf (stderr, "%p %s -> %p\n", (void *) blob, HB_FUNC, blob->data));
DEBUG_MSG (BLOB, "%p %s -> %p\n", (void *) blob, HB_FUNC, blob->data);
char *new_data;
@ -309,7 +309,7 @@ _try_writable (hb_blob_t *blob)
if (unlikely (!new_data))
return FALSE;
DEBUG (BLOB, fprintf (stderr, "%p %s: dupped successfully -> %p\n", (void *) blob, HB_FUNC, blob->data));
DEBUG_MSG (BLOB, "%p %s: dupped successfully -> %p\n", (void *) blob, HB_FUNC, blob->data);
memcpy (new_data, blob->data, blob->length);
_hb_blob_destroy_user_data (blob);

8
src/hb-object-private.hh
View File

@ -191,10 +191,10 @@ struct _hb_object_header_t {
}
inline void trace (const char *function) const {
DEBUG (OBJECT, fprintf (stderr, "OBJECT(%p) refcount=%d %s\n",
(void *) this,
this ? ref_count.get () : 0,
function));
DEBUG_MSG (OBJECT, "OBJECT(%p) refcount=%d %s\n",
(void *) this,
this ? ref_count.get () : 0,
function);
}
};

75
src/hb-open-type-private.hh
View File

@ -196,17 +196,15 @@ struct hb_sanitize_context_t
this->edit_count = 0;
this->debug_depth = 0;
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "sanitize %p init [%p..%p] (%lu bytes)\n",
(void *) this->blob, this->start, this->end,
(unsigned long) (this->end - this->start)));
DEBUG_MSG (SANITIZE, "sanitize %p init [%p..%p] (%lu bytes)\n",
(void *) this->blob, this->start, this->end,
(unsigned long) (this->end - this->start));
}
inline void finish (void)
{
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "sanitize %p fini [%p..%p] %u edit requests\n",
(void *) this->blob, this->start, this->end, this->edit_count));
DEBUG_MSG (SANITIZE, "sanitize %p fini [%p..%p] %u edit requests\n",
(void *) this->blob, this->start, this->end, this->edit_count);
hb_blob_destroy (this->blob);
this->blob = NULL;
@ -220,13 +218,13 @@ struct hb_sanitize_context_t
p <= this->end &&
(unsigned int) (this->end - p) >= len;
DEBUG_DEPTH (SANITIZE, this->debug_depth,
fprintf (stderr, "SANITIZE(%p) %-*d-> range [%p..%p] (%d bytes) in [%p..%p] -> %s\n",
p,
this->debug_depth, this->debug_depth,
p, p + len, len,
this->start, this->end,
ret ? "pass" : "FAIL"));
DEBUG_MSG_LEVEL (SANITIZE, this->debug_depth,
"SANITIZE(%p) %-*d-> range [%p..%p] (%d bytes) in [%p..%p] -> %s\n",
p,
this->debug_depth, this->debug_depth,
p, p + len, len,
this->start, this->end,
ret ? "pass" : "FAIL");
return likely (ret);
}
@ -236,13 +234,13 @@ struct hb_sanitize_context_t
const char *p = (const char *) base;
bool overflows = _hb_unsigned_int_mul_overflows (len, record_size);
DEBUG_DEPTH (SANITIZE, this->debug_depth,
fprintf (stderr, "SANITIZE(%p) %-*d-> array [%p..%p] (%d*%d=%ld bytes) in [%p..%p] -> %s\n",
p,
this->debug_depth, this->debug_depth,
p, p + (record_size * len), record_size, len, (unsigned long) record_size * len,
this->start, this->end,
!overflows ? "does not overflow" : "OVERFLOWS FAIL"));
DEBUG_MSG_LEVEL (SANITIZE, this->debug_depth,
"SANITIZE(%p) %-*d-> array [%p..%p] (%d*%d=%ld bytes) in [%p..%p] -> %s\n",
p,
this->debug_depth, this->debug_depth,
p, p + (record_size * len), record_size, len, (unsigned long) record_size * len,
this->start, this->end,
!overflows ? "does not overflow" : "OVERFLOWS FAIL");
return likely (!overflows && this->check_range (base, record_size * len));
}
@ -258,14 +256,14 @@ struct hb_sanitize_context_t
const char *p = (const char *) base;
this->edit_count++;
DEBUG_DEPTH (SANITIZE, this->debug_depth,
fprintf (stderr, "SANITIZE(%p) %-*d-> edit(%u) [%p..%p] (%d bytes) in [%p..%p] -> %s\n",
p,
this->debug_depth, this->debug_depth,
this->edit_count,
p, p + len, len,
this->start, this->end,
this->writable ? "granted" : "REJECTED"));
DEBUG_MSG_LEVEL (SANITIZE, this->debug_depth,
"SANITIZE(%p) %-*d-> edit(%u) [%p..%p] (%d bytes) in [%p..%p] -> %s\n",
p,
this->debug_depth, this->debug_depth,
this->edit_count,
p, p + len, len,
this->start, this->end,
this->writable ? "granted" : "REJECTED");
return this->writable;
}
@ -292,8 +290,7 @@ struct Sanitizer
c->init (blob);
retry:
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "Sanitizer %p start %s\n", (void *) blob, HB_FUNC));
DEBUG_MSG (SANITIZE, "Sanitizer %p start %s\n", (void *) blob, HB_FUNC);
c->setup ();
@ -307,17 +304,15 @@ struct Sanitizer
sane = t->sanitize (c);
if (sane) {
if (c->edit_count) {
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "Sanitizer %p passed first round with %d edits; doing a second round %s\n",
(void *) blob, c->edit_count, HB_FUNC));
DEBUG_MSG (SANITIZE, "Sanitizer %p passed first round with %d edits; doing a second round %s\n",
(void *) blob, c->edit_count, HB_FUNC);
/* sanitize again to ensure no toe-stepping */
c->edit_count = 0;
sane = t->sanitize (c);
if (c->edit_count) {
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "Sanitizer %p requested %d edits in second round; FAILLING %s\n",
(void *) blob, c->edit_count, HB_FUNC));
DEBUG_MSG (SANITIZE, "Sanitizer %p requested %d edits in second round; FAILLING %s\n",
(void *) blob, c->edit_count, HB_FUNC);
sane = false;
}
}
@ -330,8 +325,7 @@ struct Sanitizer
if (c->start) {
c->writable = true;
/* ok, we made it writable by relocating. try again */
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "Sanitizer %p retry %s\n", (void *) blob, HB_FUNC));
DEBUG_MSG (SANITIZE, "Sanitizer %p retry %s\n", (void *) blob, HB_FUNC);
goto retry;
}
}
@ -339,8 +333,7 @@ struct Sanitizer
c->finish ();
(void) (HB_DEBUG_SANITIZE &&
fprintf (stderr, "Sanitizer %p %s %s\n", (void *) blob, sane ? "passed" : "FAILED", HB_FUNC));
DEBUG_MSG (SANITIZE, "Sanitizer %p %s %s\n", (void *) blob, sane ? "passed" : "FAILED", HB_FUNC);
if (sane)
return blob;
else {

7
src/hb-private.hh
View File

@ -466,8 +466,11 @@ static inline unsigned char TOLOWER (unsigned char c)
#define HB_DEBUG 0
#endif
#define DEBUG(WHAT, CODE) (void) (HB_DEBUG_##WHAT && (CODE))
#define DEBUG_DEPTH(WHAT, DEPTH, CODE) (void) (HB_DEBUG_##WHAT && (int) (DEPTH) < (int) (HB_DEBUG_##WHAT) && (CODE))
#define DEBUG_LEVEL(WHAT, LEVEL) (HB_DEBUG_##WHAT && (int) (LEVEL) < (int) (HB_DEBUG_##WHAT))
#define DEBUG(WHAT) (DEBUG_LEVEL (WHAT, 0))
#define DEBUG_MSG_LEVEL(WHAT, LEVEL, ...) (void) (DEBUG_LEVEL (WHAT, LEVEL) && fprintf (stderr, __VA_ARGS__))
#define DEBUG_MSG(WHAT, ...) DEBUG_MSG_LEVEL (WHAT, 0, __VA_ARGS__)
static inline bool /* always returns TRUE */
_hb_trace (const char *what,