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Work on magic numbers for aarch64

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Justine Tunney 2023-05-10 01:10:28 -07:00
parent 59766efd3e
commit 5a455eaa0b
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GPG key ID: BE714B4575D6E328
2070 changed files with 4567 additions and 4200 deletions
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25
libc/calls/ucontext.h
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@ -5,6 +5,8 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#ifdef __x86_64__
struct XmmRegister {
uint64_t u64[2];
};
@ -33,7 +35,10 @@ typedef uint64_t greg_t;
typedef greg_t gregset_t[23];
typedef struct FpuState *fpregset_t;
struct MachineContext {
#endif /* __x86_64__ */
struct sigcontext {
#ifdef __x86_64__
union {
struct {
uint64_t r8;
@ -67,18 +72,32 @@ struct MachineContext {
};
struct FpuState *fpregs; /* zero when no fpu context */
uint64_t __pad1[8];
#elif defined(__aarch64__)
uint64_t fault_address;
uint64_t regs[31];
uint64_t sp;
uint64_t pc;
uint64_t pstate;
uint8_t __reserved[4096] __attribute__((__aligned__(16)));
#endif /* __x86_64__ */
};
typedef struct MachineContext mcontext_t;
typedef struct sigcontext mcontext_t;
struct ucontext {
uint64_t uc_flags; /* don't use this */
struct ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext; /* use this */
#ifdef __x86_64__
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
uint64_t __pad;
struct FpuState __fpustate; /* for cosmo on non-linux */
#elif defined(__aarch64__)
sigset_t uc_sigmask;
uint8_t __unused[1024 / 8 - sizeof(sigset_t)];
struct sigcontext uc_mcontext;
#endif
};
typedef struct ucontext ucontext_t;