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Fill in missing bits in x86(_64) ucontext_t

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Bug: 12828904
Bug: 12875898
Change-Id: I0ec0dfe16af80bfb3153f3c3b1b3d180eff30f39
This commit is contained in:
Calin Juravle
2014-05-13 20:29:01 +01:00
parent d0a899215b
commit a6ab968ca0
1 changed files with 29 additions and 3 deletions
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32
libc/include/sys/ucontext.h
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@@ -150,7 +150,8 @@ typedef struct ucontext {
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
/* TODO: __fpregs_mem? */
char __padding[128 - sizeof(sigset_t)];
struct _libc_fpstate __fpregs_mem;
} ucontext_t;
#elif defined(__mips__)
@@ -238,7 +239,31 @@ enum {
typedef long greg_t;
typedef greg_t gregset_t[NGREG];
typedef struct user_fpregs_struct* fpregset_t;
struct _libc_fpxreg {
unsigned short significand[4];
unsigned short exponent;
unsigned short padding[3];
};
struct _libc_xmmreg {
uint32_t element[4];
};
struct _libc_fpstate {
uint16_t cwd;
uint16_t swd;
uint16_t ftw;
uint16_t fop;
uint64_t rip;
uint64_t rdp;
uint32_t mxcsr;
uint32_t mxcr_mask;
struct _libc_fpxreg _st[8];
struct _libc_xmmreg _xmm[16];
uint32_t padding[24];
};
typedef struct _libc_fpstate* fpregset_t;
typedef struct {
gregset_t gregs;
@@ -252,7 +277,8 @@ typedef struct ucontext {
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
/* TODO: __fpregs_mem? */
char __padding[128 - sizeof(sigset_t)];
struct _libc_fpstate __fpregs_mem;
} ucontext_t;
#endif