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exception: Add context register population for macOS. (#1444)

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squidbus 2024-10-24 23:20:06 -07:00 • committed by IndecisiveTurtle
parent 7cbb3405af
commit 7c905246e8
1 changed files with 22 additions and 0 deletions
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22
src/core/libraries/kernel/threads/exception.cpp
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@ -19,6 +19,27 @@ void SigactionHandler(int signum, siginfo_t* inf, ucontext_t* raw_context) {
const auto handler = Handlers[POSIX_SIGUSR1];
if (handler) {
auto ctx = Ucontext{};
#ifdef __APPLE__
auto& regs = raw_context->uc_mcontext->__ss;
ctx.uc_mcontext.mc_r8 = regs.__r8;
ctx.uc_mcontext.mc_r9 = regs.__r9;
ctx.uc_mcontext.mc_r10 = regs.__r10;
ctx.uc_mcontext.mc_r11 = regs.__r11;
ctx.uc_mcontext.mc_r12 = regs.__r12;
ctx.uc_mcontext.mc_r13 = regs.__r13;
ctx.uc_mcontext.mc_r14 = regs.__r14;
ctx.uc_mcontext.mc_r15 = regs.__r15;
ctx.uc_mcontext.mc_rdi = regs.__rdi;
ctx.uc_mcontext.mc_rsi = regs.__rsi;
ctx.uc_mcontext.mc_rbp = regs.__rbp;
ctx.uc_mcontext.mc_rbx = regs.__rbx;
ctx.uc_mcontext.mc_rdx = regs.__rdx;
ctx.uc_mcontext.mc_rax = regs.__rax;
ctx.uc_mcontext.mc_rcx = regs.__rcx;
ctx.uc_mcontext.mc_rsp = regs.__rsp;
ctx.uc_mcontext.mc_fs = regs.__fs;
ctx.uc_mcontext.mc_gs = regs.__gs;
#else
auto& regs = raw_context->uc_mcontext.gregs;
ctx.uc_mcontext.mc_r8 = regs[REG_R8];
ctx.uc_mcontext.mc_r9 = regs[REG_R9];
@ -38,6 +59,7 @@ void SigactionHandler(int signum, siginfo_t* inf, ucontext_t* raw_context) {
ctx.uc_mcontext.mc_rsp = regs[REG_RSP];
ctx.uc_mcontext.mc_fs = (regs[REG_CSGSFS] >> 32) & 0xFFFF;
ctx.uc_mcontext.mc_gs = (regs[REG_CSGSFS] >> 16) & 0xFFFF;
#endif
handler(POSIX_SIGUSR1, &ctx);
}
}