mirror of
https://github.com/jart/cosmopolitan.git
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40291c9db3
- Polyfill ucontext_t on FreeBSD/OpenBSD/NetBSD - Add tests confirming signals can edit CPU state - Work towards supporting ZIP filesystem on bare metal - Add more tinymath unit tests for POSIX conformance - Add X87 and SSE status flags to crash report - Fix some bugs in blinkenlights - Fix llvm build breakage
137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_UCONTEXT_H_
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#define COSMOPOLITAN_LIBC_CALLS_UCONTEXT_H_
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#include "libc/calls/struct/sigaltstack.h"
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#include "libc/calls/struct/sigset.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define REG_R8 REG_R8
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#define REG_R9 REG_R9
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#define REG_R10 REG_R10
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#define REG_R11 REG_R11
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#define REG_R12 REG_R12
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#define REG_R13 REG_R13
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#define REG_R14 REG_R14
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#define REG_R15 REG_R15
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#define REG_RDI REG_RDI
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#define REG_RSI REG_RSI
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#define REG_RBP REG_RBP
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#define REG_RBX REG_RBX
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#define REG_RDX REG_RDX
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#define REG_RAX REG_RAX
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#define REG_RCX REG_RCX
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#define REG_RSP REG_RSP
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#define REG_RIP REG_RIP
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#define REG_EFL REG_EFL
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#define REG_CSGSFS REG_CSGSFS
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#define REG_ERR REG_ERR
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#define REG_TRAPNO REG_TRAPNO
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#define REG_OLDMASK REG_OLDMASK
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#define REG_CR2 REG_CR2
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enum GeneralRegister {
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REG_R8,
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REG_R9,
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REG_R10,
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REG_R11,
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REG_R12,
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REG_R13,
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REG_R14,
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REG_R15,
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REG_RDI,
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REG_RSI,
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REG_RBP,
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REG_RBX,
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REG_RDX,
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REG_RAX,
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REG_RCX,
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REG_RSP,
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REG_RIP,
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REG_EFL,
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REG_CSGSFS,
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REG_ERR,
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REG_TRAPNO,
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REG_OLDMASK,
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REG_CR2
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};
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struct XmmRegister {
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uint64_t u64[2];
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};
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struct FpuStackEntry {
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uint16_t significand[4];
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uint16_t exponent;
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uint16_t padding[3];
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};
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struct thatispacked FpuState {
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uint16_t cwd;
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uint16_t swd;
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uint16_t ftw;
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uint16_t fop;
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uint64_t rip;
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uint64_t rdp;
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uint32_t mxcsr;
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uint32_t mxcr_mask;
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struct FpuStackEntry st[8];
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struct XmmRegister xmm[16];
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uint32_t __padding[24];
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};
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typedef uint64_t greg_t;
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typedef greg_t gregset_t[23];
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typedef struct FpuState *fpregset_t;
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struct MachineContext {
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union {
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struct {
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uint64_t r8;
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uint64_t r9;
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uint64_t r10;
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uint64_t r11;
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uint64_t r12;
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uint64_t r13;
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uint64_t r14;
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uint64_t r15;
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uint64_t rdi;
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uint64_t rsi;
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uint64_t rbp;
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uint64_t rbx;
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uint64_t rdx;
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uint64_t rax;
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uint64_t rcx;
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uint64_t rsp;
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uint64_t rip;
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uint64_t eflags;
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uint16_t cs;
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uint16_t gs;
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uint16_t fs;
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uint16_t __pad0;
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uint64_t err;
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uint64_t trapno;
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uint64_t oldmask;
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uint64_t cr2;
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};
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gregset_t gregs;
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};
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struct FpuState *fpregs;
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uint64_t __pad1[8];
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};
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typedef struct MachineContext mcontext_t;
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struct ucontext {
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uint64_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; /* use this */
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sigset_t uc_sigmask;
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struct FpuState __fpustate; /* for cosmo on non-linux */
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};
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typedef struct ucontext ucontext_t;
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_CALLS_UCONTEXT_H_ */
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