307 lines
10 KiB
C
307 lines
10 KiB
C
/***********************************************************************/
|
|
/* */
|
|
/* OCaml */
|
|
/* */
|
|
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
|
|
/* */
|
|
/* Copyright 2004 Institut National de Recherche en Informatique et */
|
|
/* en Automatique. All rights reserved. This file is distributed */
|
|
/* under the terms of the GNU Library General Public License, with */
|
|
/* the special exception on linking described in file ../LICENSE. */
|
|
/* */
|
|
/***********************************************************************/
|
|
|
|
/* Processor- and OS-dependent signal interface */
|
|
|
|
/****************** AMD64, Linux */
|
|
|
|
#if defined(TARGET_amd64) && defined (SYS_linux)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, ucontext_t * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
typedef greg_t context_reg;
|
|
#define CONTEXT_PC (context->uc_mcontext.gregs[REG_RIP])
|
|
#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.gregs[REG_R14])
|
|
#define CONTEXT_YOUNG_PTR (context->uc_mcontext.gregs[REG_R15])
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *)context->uc_mcontext.gregs[REG_CR2])
|
|
|
|
/****************** AMD64, MacOSX */
|
|
|
|
#elif defined(TARGET_amd64) && defined (SYS_macosx)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, void * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (name); \
|
|
sigact.sa_flags = SA_SIGINFO | SA_64REGSET
|
|
|
|
#include <sys/ucontext.h>
|
|
#include <AvailabilityMacros.h>
|
|
|
|
#if !defined(MAC_OS_X_VERSION_10_5) \
|
|
|| MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
|
|
#define CONTEXT_REG(r) r
|
|
#else
|
|
#define CONTEXT_REG(r) __##r
|
|
#endif
|
|
|
|
typedef unsigned long long context_reg;
|
|
#define CONTEXT_STATE (((ucontext_t *)context)->uc_mcontext->CONTEXT_REG(ss))
|
|
#define CONTEXT_PC (CONTEXT_STATE.CONTEXT_REG(rip))
|
|
#define CONTEXT_EXCEPTION_POINTER (CONTEXT_STATE.CONTEXT_REG(r14))
|
|
#define CONTEXT_YOUNG_PTR (CONTEXT_STATE.CONTEXT_REG(r15))
|
|
#define CONTEXT_SP (CONTEXT_STATE.CONTEXT_REG(rsp))
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
|
|
|
|
#define RETURN_AFTER_STACK_OVERFLOW
|
|
|
|
/****************** ARM, Linux */
|
|
|
|
#elif defined(TARGET_arm) && (defined(SYS_linux_eabi) \
|
|
|| defined(SYS_linux_eabihf))
|
|
|
|
#if defined(__ANDROID__)
|
|
// The Android NDK does not have sys/ucontext.h yet.
|
|
typedef struct ucontext {
|
|
uint32_t uc_flags;
|
|
struct ucontext *uc_link;
|
|
stack_t uc_stack;
|
|
struct sigcontext uc_mcontext;
|
|
// Other fields omitted...
|
|
} ucontext_t;
|
|
#else
|
|
#include <sys/ucontext.h>
|
|
#endif
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, ucontext_t * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
typedef unsigned long context_reg;
|
|
#define CONTEXT_PC (context->uc_mcontext.arm_pc)
|
|
#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.arm_fp)
|
|
#define CONTEXT_YOUNG_PTR (context->uc_mcontext.arm_r8)
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) context->uc_mcontext.fault_address)
|
|
|
|
/****************** ARM64, Linux */
|
|
|
|
#elif defined(TARGET_arm64) && defined(SYS_linux)
|
|
|
|
#include <sys/ucontext.h>
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, ucontext_t * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
typedef unsigned long context_reg;
|
|
#define CONTEXT_PC (context->uc_mcontext.pc)
|
|
#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.regs[26])
|
|
#define CONTEXT_YOUNG_PTR (context->uc_mcontext.regs[27])
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) context->uc_mcontext.fault_address)
|
|
|
|
/****************** AMD64, Solaris x86 */
|
|
|
|
#elif defined(TARGET_amd64) && defined (SYS_solaris)
|
|
|
|
#include <ucontext.h>
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, ucontext_t * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
typedef greg_t context_reg;
|
|
#define CONTEXT_PC (context->uc_mcontext.gregs[REG_RIP])
|
|
#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.gregs[REG_R14])
|
|
#define CONTEXT_YOUNG_PTR (context->uc_mcontext.gregs[REG_R15])
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
|
|
|
|
/****************** I386, Linux */
|
|
|
|
#elif defined(TARGET_i386) && defined(SYS_linux_elf)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, struct sigcontext context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_handler = (void (*)(int)) (name); \
|
|
sigact.sa_flags = 0
|
|
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) context.cr2)
|
|
|
|
/****************** I386, BSD */
|
|
|
|
#elif defined(TARGET_i386) && defined(SYS_bsd)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, void * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
|
|
|
|
/****************** I386, MacOS X */
|
|
|
|
#elif defined(TARGET_i386) && defined(SYS_macosx)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, void * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
#include <sys/ucontext.h>
|
|
#include <AvailabilityMacros.h>
|
|
|
|
#if !defined(MAC_OS_X_VERSION_10_5) \
|
|
|| MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
|
|
#define CONTEXT_REG(r) r
|
|
#else
|
|
#define CONTEXT_REG(r) __##r
|
|
#endif
|
|
|
|
#define CONTEXT_STATE (((ucontext_t *)context)->uc_mcontext->CONTEXT_REG(ss))
|
|
#define CONTEXT_PC (CONTEXT_STATE.CONTEXT_REG(eip))
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
|
|
|
|
/****************** I386, Solaris x86 */
|
|
|
|
#elif defined(TARGET_i386) && defined(SYS_solaris)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, void * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
|
|
|
|
/****************** PowerPC, MacOS X */
|
|
|
|
#elif defined(TARGET_power) && defined(SYS_rhapsody)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, void * context)
|
|
|
|
#include <sys/ucontext.h>
|
|
#include <AvailabilityMacros.h>
|
|
|
|
#ifdef __LP64__
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (name); \
|
|
sigact.sa_flags = SA_SIGINFO | SA_64REGSET
|
|
|
|
typedef unsigned long long context_reg;
|
|
|
|
#define CONTEXT_MCONTEXT (((ucontext64_t *)context)->uc_mcontext64)
|
|
#else
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
typedef unsigned long context_reg;
|
|
|
|
#define CONTEXT_MCONTEXT (((ucontext_t *)context)->uc_mcontext)
|
|
#endif
|
|
|
|
#if !defined(MAC_OS_X_VERSION_10_5) \
|
|
|| MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
|
|
#define CONTEXT_REG(r) r
|
|
#else
|
|
#define CONTEXT_REG(r) __##r
|
|
#endif
|
|
|
|
#define CONTEXT_STATE (CONTEXT_MCONTEXT->CONTEXT_REG(ss))
|
|
#define CONTEXT_PC (CONTEXT_STATE.CONTEXT_REG(srr0))
|
|
#define CONTEXT_EXCEPTION_POINTER (CONTEXT_STATE.CONTEXT_REG(r29))
|
|
#define CONTEXT_YOUNG_LIMIT (CONTEXT_STATE.CONTEXT_REG(r30))
|
|
#define CONTEXT_YOUNG_PTR (CONTEXT_STATE.CONTEXT_REG(r31))
|
|
#define CONTEXT_SP (CONTEXT_STATE.CONTEXT_REG(r1))
|
|
#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
|
|
|
|
/****************** PowerPC, ELF (Linux) */
|
|
|
|
#elif defined(TARGET_power) && defined(SYS_elf)
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, struct sigcontext * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_handler = (void (*)(int)) (name); \
|
|
sigact.sa_flags = 0
|
|
|
|
typedef unsigned long context_reg;
|
|
#define CONTEXT_PC (context->regs->nip)
|
|
#define CONTEXT_EXCEPTION_POINTER (context->regs->gpr[29])
|
|
#define CONTEXT_YOUNG_LIMIT (context->regs->gpr[30])
|
|
#define CONTEXT_YOUNG_PTR (context->regs->gpr[31])
|
|
|
|
/****************** PowerPC, BSD */
|
|
|
|
#elif defined(TARGET_power) && (defined(SYS_bsd) || defined(SYS_bsd_elf))
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, int code, struct sigcontext * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_handler = (void (*)(int)) (name); \
|
|
sigact.sa_flags = 0
|
|
|
|
typedef unsigned long context_reg;
|
|
#define CONTEXT_EXCEPTION_POINTER (context->sc_frame.fixreg[29])
|
|
#define CONTEXT_YOUNG_LIMIT (context->sc_frame.fixreg[30])
|
|
#define CONTEXT_YOUNG_PTR (context->sc_frame.fixreg[31])
|
|
|
|
/****************** SPARC, Solaris */
|
|
|
|
#elif defined(TARGET_sparc) && defined(SYS_solaris)
|
|
|
|
#include <ucontext.h>
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig, siginfo_t * info, ucontext_t * context)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
|
|
sigact.sa_flags = SA_SIGINFO
|
|
|
|
typedef long context_reg;
|
|
#define CONTEXT_PC (context->uc_mcontext.gregs[REG_PC])
|
|
/* Local register number N is saved on the stack N words
|
|
after the stack pointer */
|
|
#define SPARC_L_REG(n) ((long *)(context->uc_mcontext.gregs[REG_SP]))[n]
|
|
#define CONTEXT_EXCEPTION_POINTER (SPARC_L_REG(5))
|
|
#define CONTEXT_YOUNG_LIMIT (SPARC_L_REG(7))
|
|
#define CONTEXT_YOUNG_PTR (SPARC_L_REG(6))
|
|
|
|
/******************** Default */
|
|
|
|
#else
|
|
|
|
#define DECLARE_SIGNAL_HANDLER(name) \
|
|
static void name(int sig)
|
|
|
|
#define SET_SIGACT(sigact,name) \
|
|
sigact.sa_handler = (name); \
|
|
sigact.sa_flags = 0
|
|
|
|
#endif
|