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exception_handler_posix: Cleanup

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This commit is contained in:
Merry 2022-12-11 10:59:11 +00:00
parent d635b12b84
commit 407a9d202a
1 changed files with 29 additions and 27 deletions
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56
src/dynarmic/backend/exception_handler_posix.cpp
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@ -130,17 +130,19 @@ void SigHandler::RemoveCodeBlock(u64 host_pc) {
void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) { void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
ASSERT(sig == SIGSEGV || sig == SIGBUS); ASSERT(sig == SIGSEGV || sig == SIGBUS);
auto& mctx = ((ucontext_t*)raw_context)->uc_mcontext;
#if defined(MCL_ARCHITECTURE_X86_64) #if defined(MCL_ARCHITECTURE_X86_64)
# if defined(__APPLE__) # if defined(__APPLE__)
# define CTX_RIP (((ucontext_t*)raw_context)->uc_mcontext->__ss.__rip) # define CTX_RIP (mctx->__ss.__rip)
# define CTX_RSP (((ucontext_t*)raw_context)->uc_mcontext->__ss.__rsp) # define CTX_RSP (mctx->__ss.__rsp)
# elif defined(__linux__) # elif defined(__linux__)
# define CTX_RIP (((ucontext_t*)raw_context)->uc_mcontext.gregs[REG_RIP]) # define CTX_RIP (mctx.gregs[REG_RIP])
# define CTX_RSP (((ucontext_t*)raw_context)->uc_mcontext.gregs[REG_RSP]) # define CTX_RSP (mctx.gregs[REG_RSP])
# elif defined(__FreeBSD__) # elif defined(__FreeBSD__)
# define CTX_RIP (((ucontext_t*)raw_context)->uc_mcontext.mc_rip) # define CTX_RIP (mctx.mc_rip)
# define CTX_RSP (((ucontext_t*)raw_context)->uc_mcontext.mc_rsp) # define CTX_RSP (mctx.mc_rsp)
# else # else
# error "Unknown platform" # error "Unknown platform"
# endif # endif
@ -165,31 +167,31 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
#elif defined(MCL_ARCHITECTURE_ARM64) #elif defined(MCL_ARCHITECTURE_ARM64)
# if defined(__APPLE__) # if defined(__APPLE__)
# define CTX_PC (((ucontext_t*)raw_context)->uc_mcontext->__ss.__pc) # define CTX_PC (mctx->__ss.__pc)
# define CTX_SP (((ucontext_t*)raw_context)->uc_mcontext->__ss.__sp) # define CTX_SP (mctx->__ss.__sp)
# define CTX_LR (((ucontext_t*)raw_context)->uc_mcontext->__ss.__lr) # define CTX_LR (mctx->__ss.__lr)
# define CTX_X(i) (((ucontext_t*)raw_context)->uc_mcontext->__ss.__x[i]) # define CTX_X(i) (mctx->__ss.__x[i])
# define CTX_Q(i) (((ucontext_t*)raw_context)->uc_mcontext->__ns.__v[i]) # define CTX_Q(i) (mctx->__ns.__v[i])
# elif defined(__linux__) # elif defined(__linux__)
# define CTX_PC (((ucontext_t*)raw_context)->uc_mcontext.pc) # define CTX_PC (mctx.pc)
# define CTX_SP (((ucontext_t*)raw_context)->uc_mcontext.sp) # define CTX_SP (mctx.sp)
# define CTX_LR (((ucontext_t*)raw_context)->uc_mcontext.regs[30]) # define CTX_LR (mctx.regs[30])
# define CTX_X(i) (((ucontext_t*)raw_context)->uc_mcontext.regs[i]) # define CTX_X(i) (mctx.regs[i])
# define CTX_Q(i) (fp->vregs[i]) # define CTX_Q(i) (fpctx->vregs[i])
const auto fp = [raw_context] { const auto fpctx = [&mctx] {
_aarch64_ctx* head = (_aarch64_ctx*)(((ucontext_t*)raw_context)->uc_mcontext.__reserved); _aarch64_ctx* header = (_aarch64_ctx*)&mctx.__reserved;
while (head->magic != FPSIMD_MAGIC) { while (header->magic != FPSIMD_MAGIC) {
ASSERT(head->magic && head->size); ASSERT(header->magic && header->size);
head = (_aarch64_ctx*)(((char*)head) + head->size); header = (_aarch64_ctx*)((char*)header + header->size);
} }
return (fpsimd_context*)head; return (fpsimd_context*)header;
}(); }();
# elif defined(__FreeBSD__) # elif defined(__FreeBSD__)
# define CTX_PC (((ucontext_t*)raw_context)->uc_mcontext.mc_gpregs.gp_elr) # define CTX_PC (mctx.mc_gpregs.gp_elr)
# define CTX_SP (((ucontext_t*)raw_context)->uc_mcontext.mc_gpregs.gp_sp) # define CTX_SP (mctx.mc_gpregs.gp_sp)
# define CTX_LR (((ucontext_t*)raw_context)->uc_mcontext.mc_gpregs.gp_lr) # define CTX_LR (mctx.mc_gpregs.gp_lr)
# define CTX_X(i) (((ucontext_t*)raw_context)->uc_mcontext.mc_gpregs.gp_x[i]) # define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
# define CTX_Q(i) (((ucontext_t*)raw_context)->uc_mcontext.mc_fpregs.fp_q[i]) # define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
# else # else
# error "Unknown platform" # error "Unknown platform"
# endif # endif