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| author | ptitSeb <sebastien.chev@gmail.com> | 2023-02-20 21:30:22 +0100 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2023-02-20 21:30:22 +0100 |
| commit | bfef8c9bbe8a16373742cb9c9e5691b93e994f58 (patch) | |
| tree | 246b21e67025f3159006efd04f78fc6e4ec696bf /src/libtools | |
| parent | 42b83789880c300711f08e3852784e17cafaf7ac (diff) | |
| parent | 3fe2843bb3b95d8edd63d21c4f6acad7f652be91 (diff) | |
| download | box64-bfef8c9bbe8a16373742cb9c9e5691b93e994f58.tar.gz box64-bfef8c9bbe8a16373742cb9c9e5691b93e994f58.zip | |
Merge branch 'main' into steam_chrome
Diffstat (limited to 'src/libtools')
| -rwxr-xr-x | src/libtools/signals.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libtools/signals.c b/src/libtools/signals.c index ffe36ea6..92ab59ef 100755 --- a/src/libtools/signals.c +++ b/src/libtools/signals.c @@ -855,7 +855,7 @@ void my_box64signalhandler(int32_t sig, siginfo_t* info, void * ucntx) } dynablock_t* db = NULL; int db_searched = 0; - if ((sig==SIGSEGV) && (addr) && (info->si_code == SEGV_ACCERR) && (prot&PROT_DYN)) { + if ((sig==SIGSEGV) && (addr) && (info->si_code == SEGV_ACCERR) && (prot&PROT_DYNAREC)) { mutex_lock(&mutex_dynarec_prot); // check if SMC inside block db = FindDynablockFromNativeAddress(pc); @@ -966,6 +966,9 @@ dynarec_log(/*LOG_DEBUG*/LOG_INFO, "Repeated SIGSEGV with Access error on %p for glitch2_prot = 0; } mutex_unlock(&mutex_dynarec_prot); + } else if ((sig==SIGSEGV) && (addr) && (info->si_code == SEGV_ACCERR) && (prot&PROT_DYNAREC_R)) { + // unprotect and continue to signal handler, because Write is not there on purpose + unprotectDB((uintptr_t)addr, 1, 1); // unprotect 1 byte... But then, the whole page will be unprotected } if(!db_searched) db = FindDynablockFromNativeAddress(pc); |