When bound check is enabled, tcc tries to relocate a call to __bound_init in _init. This means that relocation (in tcc_add_bcheck) must be done after libtcc1.a (which countains __bound_init) is loaded but before crtn.o is loaded as this finalize _init.
Unified · Split
| @@ -1373,8 +1373,6 @@ static inline int tcc_add_support(TCCState *s1, const char *filename) · 1372 unmodified lines | ||
| 1373 | 1373 | /* add tcc runtime libraries */ |
| 1374 | 1374 | ST_FUNC void tcc_add_runtime(TCCState *s1) |
| 1375 | 1375 | { |
| 1376 | − tcc_add_bcheck(s1); | |
| 1377 | − | |
| 1378 | 1376 | /* add libc */ |
| 1379 | 1377 | if (!s1->nostdlib) { |
| 1380 | 1378 | tcc_add_library(s1, "c"); |
| @@ -1386,6 +1384,14 @@ ST_FUNC void tcc_add_runtime(TCCState *s1) · 5 unmodified lines | ||
| 1386 | 1384 | #else |
| 1387 | 1385 | tcc_add_support(s1, "libtcc1.a"); |
| 1388 | 1386 | #endif |
| 1387 | + } | |
| 1388 | + | |
| 1389 | + /* tcc_add_bcheck tries to relocate a call to __bound_init in _init so | |
| 1390 | + libtcc1.a must be loaded before for __bound_init to be defined and | |
| 1391 | + crtn.o must be loaded after to not finalize _init too early. */ | |
| 1392 | + tcc_add_bcheck(s1); | |
| 1393 | + | |
| 1394 | + if (!s1->nostdlib) { | |
| 1389 | 1395 | /* add crt end if not memory output */ |
| 1390 | 1396 | if (s1->output_type != TCC_OUTPUT_MEMORY) |
| 1391 | 1397 | tcc_add_crt(s1, "crtn.o"); |