359 lines
12 KiB
C
359 lines
12 KiB
C
/**************************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 2004 Institut National de Recherche en Informatique et */
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/* en Automatique. */
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/* */
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/* All rights reserved. This file is distributed under the terms of */
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/* the GNU Lesser General Public License version 2.1, with the */
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/* special exception on linking described in the file LICENSE. */
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/* */
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/**************************************************************************/
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/* Processor- and OS-dependent signal interface */
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/****************** AMD64, Linux */
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#if defined(TARGET_amd64) && defined (SYS_linux)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, ucontext_t * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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typedef greg_t context_reg;
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#define CONTEXT_PC (context->uc_mcontext.gregs[REG_RIP])
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#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.gregs[REG_R14])
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#define CONTEXT_YOUNG_PTR (context->uc_mcontext.gregs[REG_R15])
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#define CONTEXT_FAULTING_ADDRESS ((char *)context->uc_mcontext.gregs[REG_CR2])
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/****************** AMD64, MacOSX */
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#elif defined(TARGET_amd64) && defined (SYS_macosx)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, void * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (name); \
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sigact.sa_flags = SA_SIGINFO | SA_64REGSET
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#include <sys/ucontext.h>
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#include <AvailabilityMacros.h>
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#if !defined(MAC_OS_X_VERSION_10_5) \
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|| MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
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#define CONTEXT_REG(r) r
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#else
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#define CONTEXT_REG(r) __##r
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#endif
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typedef unsigned long long context_reg;
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#define CONTEXT_STATE (((ucontext_t *)context)->uc_mcontext->CONTEXT_REG(ss))
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#define CONTEXT_PC (CONTEXT_STATE.CONTEXT_REG(rip))
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#define CONTEXT_EXCEPTION_POINTER (CONTEXT_STATE.CONTEXT_REG(r14))
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#define CONTEXT_YOUNG_PTR (CONTEXT_STATE.CONTEXT_REG(r15))
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#define CONTEXT_SP (CONTEXT_STATE.CONTEXT_REG(rsp))
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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#define RETURN_AFTER_STACK_OVERFLOW
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/****************** ARM, Linux */
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#elif defined(TARGET_arm) && (defined(SYS_linux_eabi) \
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|| defined(SYS_linux_eabihf))
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#include <sys/ucontext.h>
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, ucontext_t * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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typedef unsigned long context_reg;
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#define CONTEXT_PC (context->uc_mcontext.arm_pc)
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#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.arm_fp)
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#define CONTEXT_YOUNG_PTR (context->uc_mcontext.arm_r8)
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#define CONTEXT_FAULTING_ADDRESS ((char *) context->uc_mcontext.fault_address)
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/****************** ARM64, Linux */
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#elif defined(TARGET_arm64) && defined(SYS_linux)
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#include <sys/ucontext.h>
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, ucontext_t * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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typedef unsigned long context_reg;
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#define CONTEXT_PC (context->uc_mcontext.pc)
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#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.regs[26])
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#define CONTEXT_YOUNG_PTR (context->uc_mcontext.regs[27])
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#define CONTEXT_FAULTING_ADDRESS ((char *) context->uc_mcontext.fault_address)
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/****************** AMD64, Solaris x86 */
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#elif defined(TARGET_amd64) && defined (SYS_solaris)
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#include <ucontext.h>
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, ucontext_t * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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typedef greg_t context_reg;
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#define CONTEXT_PC (context->uc_mcontext.gregs[REG_RIP])
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#define CONTEXT_EXCEPTION_POINTER (context->uc_mcontext.gregs[REG_R14])
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#define CONTEXT_YOUNG_PTR (context->uc_mcontext.gregs[REG_R15])
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** AMD64, OpenBSD */
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#elif defined(TARGET_amd64) && defined (SYS_openbsd)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, struct sigcontext * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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#define CONTEXT_PC (context->sc_rip)
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#define CONTEXT_EXCEPTION_POINTER (context->sc_r14)
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#define CONTEXT_YOUNG_PTR (context->sc_r15)
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** I386, Linux */
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#elif defined(TARGET_i386) && defined(SYS_linux_elf)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, struct sigcontext context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_handler = (void (*)(int)) (name); \
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sigact.sa_flags = 0
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#define CONTEXT_FAULTING_ADDRESS ((char *) context.cr2)
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/****************** I386, BSD_ELF */
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#elif defined(TARGET_i386) && defined(SYS_bsd_elf)
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#if defined (__NetBSD__)
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#include <ucontext.h>
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, ucontext_t * context)
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#else
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, struct sigcontext * context)
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#endif
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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#if defined (__NetBSD__)
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#define CONTEXT_PC (_UC_MACHINE_PC(context))
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#else
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#define CONTEXT_PC (context->sc_eip)
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#endif
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** I386, BSD */
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#elif defined(TARGET_i386) && defined(SYS_bsd)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, void * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (name); \
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sigact.sa_flags = SA_SIGINFO
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** I386, MacOS X */
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#elif defined(TARGET_i386) && defined(SYS_macosx)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, void * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (name); \
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sigact.sa_flags = SA_SIGINFO
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#include <sys/ucontext.h>
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#include <AvailabilityMacros.h>
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#if !defined(MAC_OS_X_VERSION_10_5) \
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|| MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
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#define CONTEXT_REG(r) r
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#else
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#define CONTEXT_REG(r) __##r
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#endif
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#define CONTEXT_STATE (((ucontext_t *)context)->uc_mcontext->CONTEXT_REG(ss))
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#define CONTEXT_PC (CONTEXT_STATE.CONTEXT_REG(eip))
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** I386, Solaris x86 */
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#elif defined(TARGET_i386) && defined(SYS_solaris)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, void * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (name); \
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sigact.sa_flags = SA_SIGINFO
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** PowerPC, MacOS X */
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#elif defined(TARGET_power) && defined(SYS_rhapsody)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, void * context)
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#include <sys/ucontext.h>
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#include <AvailabilityMacros.h>
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#ifdef __LP64__
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (name); \
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sigact.sa_flags = SA_SIGINFO | SA_64REGSET
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typedef unsigned long long context_reg;
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#define CONTEXT_MCONTEXT (((ucontext64_t *)context)->uc_mcontext64)
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#else
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (name); \
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sigact.sa_flags = SA_SIGINFO
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typedef unsigned long context_reg;
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#define CONTEXT_MCONTEXT (((ucontext_t *)context)->uc_mcontext)
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#endif
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#if !defined(MAC_OS_X_VERSION_10_5) \
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|| MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
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#define CONTEXT_REG(r) r
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#else
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#define CONTEXT_REG(r) __##r
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#endif
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#define CONTEXT_STATE (CONTEXT_MCONTEXT->CONTEXT_REG(ss))
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#define CONTEXT_PC (CONTEXT_STATE.CONTEXT_REG(srr0))
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#define CONTEXT_EXCEPTION_POINTER (CONTEXT_STATE.CONTEXT_REG(r29))
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#define CONTEXT_YOUNG_LIMIT (CONTEXT_STATE.CONTEXT_REG(r30))
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#define CONTEXT_YOUNG_PTR (CONTEXT_STATE.CONTEXT_REG(r31))
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#define CONTEXT_SP (CONTEXT_STATE.CONTEXT_REG(r1))
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#define CONTEXT_FAULTING_ADDRESS ((char *) info->si_addr)
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/****************** PowerPC, ELF (Linux) */
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#elif defined(TARGET_power) && defined(SYS_elf)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, struct sigcontext * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_handler = (void (*)(int)) (name); \
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sigact.sa_flags = 0
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typedef unsigned long context_reg;
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#define CONTEXT_PC (context->regs->nip)
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#define CONTEXT_EXCEPTION_POINTER (context->regs->gpr[29])
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#define CONTEXT_YOUNG_LIMIT (context->regs->gpr[30])
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#define CONTEXT_YOUNG_PTR (context->regs->gpr[31])
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#define CONTEXT_SP (context->regs->gpr[1])
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/****************** s390x, ELF (Linux) */
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#elif defined(TARGET_s390x) && defined(SYS_elf)
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, struct sigcontext * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_handler = (void (*)(int)) (name); \
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sigact.sa_flags = 0
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typedef unsigned long context_reg;
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#define CONTEXT_PC (context->sregs->regs.psw.addr)
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#define CONTEXT_EXCEPTION_POINTER (context->sregs->regs.gprs[13])
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#define CONTEXT_YOUNG_LIMIT (context->sregs->regs.gprs[10])
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#define CONTEXT_YOUNG_PTR (context->sregs->regs.gprs[11])
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#define CONTEXT_SP (context->sregs->regs.gprs[15])
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/****************** PowerPC, BSD */
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#elif defined(TARGET_power) && (defined(SYS_bsd) || defined(SYS_bsd_elf))
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, int code, struct sigcontext * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_handler = (void (*)(int)) (name); \
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sigact.sa_flags = 0
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typedef unsigned long context_reg;
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#define CONTEXT_PC (context->sc_frame.srr0)
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#define CONTEXT_EXCEPTION_POINTER (context->sc_frame.fixreg[29])
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#define CONTEXT_YOUNG_LIMIT (context->sc_frame.fixreg[30])
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#define CONTEXT_YOUNG_PTR (context->sc_frame.fixreg[31])
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#define CONTEXT_SP (context->sc_frame.fixreg[1])
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/****************** SPARC, Solaris */
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#elif defined(TARGET_sparc) && defined(SYS_solaris)
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#include <ucontext.h>
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig, siginfo_t * info, ucontext_t * context)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_sigaction = (void (*)(int,siginfo_t *,void *)) (name); \
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sigact.sa_flags = SA_SIGINFO
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typedef long context_reg;
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#define CONTEXT_PC (context->uc_mcontext.gregs[REG_PC])
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/* Local register number N is saved on the stack N words
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after the stack pointer */
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#define CONTEXT_SP (context->uc_mcontext.gregs[REG_SP])
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#define SPARC_L_REG(n) ((long *)(context->uc_mcontext.gregs[REG_SP]))[n]
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#define CONTEXT_EXCEPTION_POINTER (SPARC_L_REG(5))
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#define CONTEXT_YOUNG_LIMIT (SPARC_L_REG(7))
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#define CONTEXT_YOUNG_PTR (SPARC_L_REG(6))
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/******************** Default */
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#else
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#define DECLARE_SIGNAL_HANDLER(name) \
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static void name(int sig)
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#define SET_SIGACT(sigact,name) \
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sigact.sa_handler = (name); \
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sigact.sa_flags = 0
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#endif
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