exception_handler_posix: Support NetBSD and OpenBSD
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7a7557f70f
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1 changed files with 25 additions and 2 deletions
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@ -10,7 +10,9 @@
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# include <sys/ucontext.h>
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#else
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# include <signal.h>
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# include <ucontext.h>
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# ifndef __OpenBSD__
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# include <ucontext.h>
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# endif
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#endif
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#include <cstring>
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@ -130,7 +132,10 @@ void SigHandler::RemoveCodeBlock(u64 host_pc) {
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void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
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ASSERT(sig == SIGSEGV || sig == SIGBUS);
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auto& mctx = ((ucontext_t*)raw_context)->uc_mcontext;
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ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(raw_context);
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#ifndef __OpenBSD__
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auto& mctx = ucontext->uc_mcontext;
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#endif
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#if defined(MCL_ARCHITECTURE_X86_64)
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@ -143,6 +148,12 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
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# elif defined(__FreeBSD__)
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# define CTX_RIP (mctx.mc_rip)
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# define CTX_RSP (mctx.mc_rsp)
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# elif defined(__NetBSD__)
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# define CTX_RIP (mctx.__gregs[_REG_RIP])
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# define CTX_RSP (mctx.__gregs[_REG_RSP])
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# elif defined(__OpenBSD__)
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# define CTX_RIP (ucontext->sc_rip)
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# define CTX_RSP (ucontext->sc_rsp)
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# else
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# error "Unknown platform"
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# endif
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@ -192,6 +203,18 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
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# define CTX_LR (mctx.mc_gpregs.gp_lr)
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# define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
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# define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
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# elif defined(__NetBSD__)
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# define CTX_PC (mctx.mc_gpregs.gp_elr)
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# define CTX_SP (mctx.mc_gpregs.gp_sp)
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# define CTX_LR (mctx.mc_gpregs.gp_lr)
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# define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
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# define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
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# elif defined(__OpenBSD__)
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# define CTX_PC (ucontext->sc_elr)
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# define CTX_SP (ucontext->sc_sp)
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# define CTX_LR (ucontext->sc_lr)
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# define CTX_X(i) (ucontext->sc_x[i])
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# define CTX_Q(i) (ucontext->sc_q[i])
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# else
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# error "Unknown platform"
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# endif
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