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C: fix exception handling semantics with longjmp

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This commit is contained in:
Alexey Andreev 2021-03-24 17:30:49 +03:00
parent bb4315e486
commit 00fba54d7b
1 changed files with 9 additions and 9 deletions
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18
core/src/main/resources/org/teavm/backend/c/exceptions.h
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@ -16,18 +16,18 @@
jmp_buf* teavm_oldTryBuffer = teavm_shadowStack.header.jmpTarget; \
teavm_shadowStack.header.jmpTarget = &teavm_tryBuffer; \
int teavm_exceptionHandler = setjmp(teavm_tryBuffer); \
switch (teavm_exceptionHandler) { \
case 0: {
if (teavm_exceptionHandler == 0) {
#define TEAVM_CATCH \
break; \
} \
default: { \
longjmp(*teavm_oldTryBuffer, teavm_exceptionHandler); \
break; \
}
teavm_shadowStack.header.jmpTarget = teavm_oldTryBuffer; \
} else { \
teavm_shadowStack.header.jmpTarget = teavm_oldTryBuffer; \
switch (teavm_exceptionHandler) {
#define TEAVM_END_TRY \
default: \
longjmp(*teavm_oldTryBuffer, teavm_exceptionHandler); \
break; \
} \
} \
teavm_shadowStack.header.jmpTarget = teavm_oldTryBuffer; \
} while (0);
#define TEAVM_JUMP_TO_FRAME(frame, id) \