diff options
| author | ptitSeb <sebastien.chev@gmail.com> | 2022-03-07 14:44:38 +0100 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2022-03-07 14:44:38 +0100 |
| commit | 0b37d4aac24518623d5a697ec0914961f827853f (patch) | |
| tree | 6fe5c7a2cee8effe3ae5387350d1d47464fcaba4 /src/libtools | |
| parent | 749c8711242a5cd1ba303468a8740aaedf8c93bd (diff) | |
| download | box64-0b37d4aac24518623d5a697ec0914961f827853f.tar.gz box64-0b37d4aac24518623d5a697ec0914961f827853f.zip | |
Rolback this change in signal, and better change the interpretor handling of IP instead
Diffstat (limited to 'src/libtools')
| -rwxr-xr-x | src/libtools/signals.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libtools/signals.c b/src/libtools/signals.c index e0410b1c..a98b570a 100755 --- a/src/libtools/signals.c +++ b/src/libtools/signals.c @@ -505,7 +505,7 @@ void my_sigactionhandler_oldcode(int32_t sig, int simple, siginfo_t* info, void sigcontext->uc_mcontext.gregs[X64_RBP] = R_RBP; sigcontext->uc_mcontext.gregs[X64_RSP] = R_RSP; sigcontext->uc_mcontext.gregs[X64_RBX] = R_RBX; - sigcontext->uc_mcontext.gregs[X64_RIP] = emu->old_ip; + sigcontext->uc_mcontext.gregs[X64_RIP] = R_RIP;//emu->old_ip; // old_ip should be more accurate as the "current" IP, but it's not always up-to-date // flags sigcontext->uc_mcontext.gregs[X64_EFL] = emu->eflags.x64; // get segments @@ -934,7 +934,10 @@ exit(-1); const char* x64name = NULL; const char* elfname = NULL; x64emu_t* emu = thread_get_emu(); - x64pc = emu->old_ip; + // Adjust RIP for special case of NULL function run + if(sig==SIGSEGV && R_RIP==0x1 && (uintptr_t)info->si_addr==0x0) + R_RIP = 0x0; + x64pc = R_RIP; rsp = (void*)R_RSP; #if defined(DYNAREC) #if defined(ARM64) |