155 lines
3.2 KiB
C++
155 lines
3.2 KiB
C++
//===-- ucontext.h ----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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// ===----------------------------------------------------------------------===
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#ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
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#define GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
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#include <sys/cdefs.h>
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#include <signal.h>
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#ifndef __BIONIC_HAVE_UCONTEXT_T
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// Ensure that 'stack_t' is defined.
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#include <asm/signal.h>
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// This version of the Android C library headers do not provide ucontext_t.
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// Provide custom definitions for Google Breakpad.
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#if defined(__arm__)
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// Ensure that 'struct sigcontext' is defined.
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#include <asm/sigcontext.h>
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typedef struct sigcontext mcontext_t;
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// The ARM kernel uses a 64-bit signal mask.
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typedef uint32_t kernel_sigmask_t[2];
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typedef struct ucontext {
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uint32_t uc_flags;
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struct ucontext* uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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kernel_sigmask_t uc_sigmask;
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// Other fields are not used by Google Breakpad. Don't define them.
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} ucontext_t;
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#elif defined(__i386__)
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/* 80-bit floating-point register */
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struct _libc_fpreg {
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unsigned short significand[4];
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unsigned short exponent;
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};
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/* Simple floating-point state, see FNSTENV instruction */
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struct _libc_fpstate {
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unsigned long cw;
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unsigned long sw;
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unsigned long tag;
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unsigned long ipoff;
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unsigned long cssel;
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unsigned long dataoff;
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unsigned long datasel;
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struct _libc_fpreg _st[8];
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unsigned long status;
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};
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typedef uint32_t greg_t;
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typedef struct {
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uint32_t gregs[19];
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struct _libc_fpstate* fpregs;
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uint32_t oldmask;
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uint32_t cr2;
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} mcontext_t;
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enum {
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REG_GS = 0,
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REG_FS,
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REG_ES,
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REG_DS,
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REG_EDI,
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REG_ESI,
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REG_EBP,
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REG_ESP,
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REG_EBX,
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REG_EDX,
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REG_ECX,
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REG_EAX,
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REG_TRAPNO,
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REG_ERR,
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REG_EIP,
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REG_CS,
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REG_EFL,
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REG_UESP,
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REG_SS,
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};
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// The i386 kernel uses a 64-bit signal mask.
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typedef uint32_t kernel_sigmask_t[2];
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typedef struct ucontext {
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uint32_t uc_flags;
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struct ucontext* uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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kernel_sigmask_t uc_sigmask;
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struct _libc_fpstate __fpregs_mem;
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} ucontext_t;
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#elif defined(__mips__)
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typedef struct {
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uint32_t regmask;
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uint32_t status;
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uint64_t pc;
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uint64_t gregs[32];
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uint64_t fpregs[32];
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uint32_t acx;
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uint32_t fpc_csr;
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uint32_t fpc_eir;
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uint32_t used_math;
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uint32_t dsp;
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uint64_t mdhi;
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uint64_t mdlo;
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uint32_t hi1;
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uint32_t lo1;
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uint32_t hi2;
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uint32_t lo2;
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uint32_t hi3;
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uint32_t lo3;
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} mcontext_t;
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// The MIPS kernel uses a 128-bit signal mask.
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typedef uint32_t kernel_sigmask_t[4];
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typedef struct ucontext {
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uint32_t uc_flags;
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struct ucontext* uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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kernel_sigmask_t uc_sigmask;
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// Other fields are not used by Google Breakpad. Don't define them.
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} ucontext_t;
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#else
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# error "Unsupported Android CPU ABI!"
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#endif
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#endif // __BIONIC_HAVE_UCONTEXT_T
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
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