spielwiese
|
Last change
on this file since 5846f92 was
9dba83b,
checked in by Hans Schoenemann <hannes@…>, 10 years ago
|
|
fix: enable omGetBackTrace again (for intel-linux)
|
-
Property mode set to
100644
|
|
File size:
2.4 KB
|
| Line | |
|---|
| 1 | /******************************************************************* |
|---|
| 2 | * File: omGetBackTrace.c |
|---|
| 3 | * Purpose: routines for getting Backtraces of stack |
|---|
| 4 | * Author: obachman (Olaf Bachmann) |
|---|
| 5 | * Created: 11/99 |
|---|
| 6 | *******************************************************************/ |
|---|
| 7 | #ifndef OM_NDEBUG |
|---|
| 8 | |
|---|
| 9 | #if __GNUC__ > 1 |
|---|
| 10 | |
|---|
| 11 | static void* om_this_main_frame_addr = 0; |
|---|
| 12 | |
|---|
| 13 | void omInitGetBackTrace() |
|---|
| 14 | { |
|---|
| 15 | if (__builtin_frame_address(0) != 0 && |
|---|
| 16 | __builtin_frame_address(1) > __builtin_frame_address(0)) |
|---|
| 17 | om_this_main_frame_addr = __builtin_frame_address(1); |
|---|
| 18 | } |
|---|
| 19 | |
|---|
| 20 | #define OM_GET_BACK_TRACE(j) \ |
|---|
| 21 | case j: \ |
|---|
| 22 | { \ |
|---|
| 23 | f_addr = __builtin_frame_address(j); \ |
|---|
| 24 | if (f_addr > this_frame && f_addr < om_this_main_frame_addr) \ |
|---|
| 25 | { \ |
|---|
| 26 | r_addr = __builtin_return_address(j); \ |
|---|
| 27 | if (r_addr) \ |
|---|
| 28 | { \ |
|---|
| 29 | bt[i] = r_addr; \ |
|---|
| 30 | i++; \ |
|---|
| 31 | if (i >= max) break; \ |
|---|
| 32 | } \ |
|---|
| 33 | else break; \ |
|---|
| 34 | } \ |
|---|
| 35 | else break; \ |
|---|
| 36 | } |
|---|
| 37 | |
|---|
| 38 | int omGetBackTrace(void** bt, int start, int max) |
|---|
| 39 | { |
|---|
| 40 | int i = 0; |
|---|
| 41 | void* this_frame = __builtin_frame_address(0); |
|---|
| 42 | void* f_addr; |
|---|
| 43 | void* r_addr; |
|---|
| 44 | |
|---|
| 45 | start++; |
|---|
| 46 | |
|---|
| 47 | switch(start) |
|---|
| 48 | { |
|---|
| 49 | OM_GET_BACK_TRACE(1) |
|---|
| 50 | OM_GET_BACK_TRACE(2) |
|---|
| 51 | /* the following fails on Mac OsX, but the debugging |
|---|
| 52 | * support it provides is too useful to disable it |
|---|
| 53 | */ |
|---|
| 54 | #ifdef __linux |
|---|
| 55 | #if defined(__x86_64) || defined(__i386) |
|---|
| 56 | OM_GET_BACK_TRACE(3) |
|---|
| 57 | OM_GET_BACK_TRACE(4) |
|---|
| 58 | OM_GET_BACK_TRACE(5) |
|---|
| 59 | OM_GET_BACK_TRACE(6) |
|---|
| 60 | OM_GET_BACK_TRACE(7) |
|---|
| 61 | OM_GET_BACK_TRACE(8) |
|---|
| 62 | OM_GET_BACK_TRACE(9) |
|---|
| 63 | OM_GET_BACK_TRACE(10) |
|---|
| 64 | OM_GET_BACK_TRACE(11) |
|---|
| 65 | OM_GET_BACK_TRACE(12) |
|---|
| 66 | OM_GET_BACK_TRACE(13) |
|---|
| 67 | OM_GET_BACK_TRACE(14) |
|---|
| 68 | OM_GET_BACK_TRACE(15) |
|---|
| 69 | OM_GET_BACK_TRACE(16) |
|---|
| 70 | OM_GET_BACK_TRACE(17) |
|---|
| 71 | #endif |
|---|
| 72 | #endif |
|---|
| 73 | } |
|---|
| 74 | if (i < max) bt[i] = 0; |
|---|
| 75 | return i; |
|---|
| 76 | } |
|---|
| 77 | |
|---|
| 78 | #endif /* __GNUC__ > 1 */ |
|---|
| 79 | |
|---|
| 80 | #endif /* ! OM_NDEBUG */ |
|---|
Note: See
TracBrowser
for help on using the repository browser.
