Merge pull request #4023 from bentley/openbsd-context

Clean up context definition errors.
This commit is contained in:
Pierre Bourdon 2016-07-18 16:43:52 +02:00 committed by GitHub
commit e21cc8937b
2 changed files with 36 additions and 6 deletions

View File

@ -34,7 +34,7 @@ typedef CONTEXT SContext;
#define CTX_R15 R15
#define CTX_RIP Rip
#else
#error No context definition for OS
#error No context definition for architecture
#endif
#elif defined(__APPLE__) && !defined(USE_SIGACTION_ON_APPLE)
// for modules:
@ -63,7 +63,7 @@ typedef x86_thread_state64_t SContext;
#define CTX_R15 __r15
#define CTX_RIP __rip
#else
#error No context definition for OS
#error No context definition for architecture
#endif
#elif defined(__APPLE__)
#include <signal.h>
@ -114,7 +114,31 @@ typedef mcontext_t SContext;
#define CTX_SP sp
#define CTX_PC pc
#else
#warning No context definition for OS
#error No context definition for architecture
#endif
#elif defined(__OpenBSD__)
#include <signal.h>
typedef ucontext_t SContext;
#if _M_X86_64
#define CTX_RAX sc_rax
#define CTX_RBX sc_rbx
#define CTX_RCX sc_rcx
#define CTX_RDX sc_rdx
#define CTX_RDI sc_rdi
#define CTX_RSI sc_rsi
#define CTX_RBP sc_rbp
#define CTX_RSP sc_rsp
#define CTX_R8 sc_r8
#define CTX_R9 sc_r9
#define CTX_R10 sc_r10
#define CTX_R11 sc_r11
#define CTX_R12 sc_r12
#define CTX_R13 sc_r13
#define CTX_R14 sc_r14
#define CTX_R15 sc_r15
#define CTX_RIP sc_rip
#else
#error No context definition for architecture
#endif
#elif defined(__NetBSD__)
#include <ucontext.h>
@ -138,7 +162,7 @@ typedef mcontext_t SContext;
#define CTX_R15 __gregs[_REG_R15]
#define CTX_RIP __gregs[_REG_RIP]
#else
#error No context definition for OS
#error No context definition for architecture
#endif
#elif defined(__FreeBSD__)
#include <ucontext.h>
@ -162,8 +186,10 @@ typedef mcontext_t SContext;
#define CTX_R15 mc_r15
#define CTX_RIP mc_rip
#else
#error No context definition for OS
#error No context definition for architecture
#endif
#else
#error No context definition for OS
#endif
#if _M_X86_64

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@ -249,7 +249,11 @@ static void sigsegv_handler(int sig, siginfo_t* info, void* raw_context)
uintptr_t bad_address = (uintptr_t)info->si_addr;
// Get all the information we can out of the context.
#ifdef __OpenBSD__
ucontext_t* ctx = context;
#else
mcontext_t* ctx = &context->uc_mcontext;
#endif
// assume it's not a write
if (!JitInterface::HandleFault(bad_address,
#ifdef __APPLE__