diff options
Diffstat (limited to 'mdk-stage1/dietlibc/include/asm/i386-sigcontext.h')
| -rw-r--r-- | mdk-stage1/dietlibc/include/asm/i386-sigcontext.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/include/asm/i386-sigcontext.h b/mdk-stage1/dietlibc/include/asm/i386-sigcontext.h new file mode 100644 index 000000000..e830b9b97 --- /dev/null +++ b/mdk-stage1/dietlibc/include/asm/i386-sigcontext.h @@ -0,0 +1,66 @@ + +struct _fpreg { + unsigned short significand[4]; + unsigned short exponent; +}; + +struct _fpxreg { + unsigned short significand[4]; + unsigned short exponent; + unsigned short padding[3]; +}; + +struct _xmmreg { + unsigned long element[4]; +}; + +struct _fpstate { + /* Regular FPU environment */ + unsigned long cw; + unsigned long sw; + unsigned long tag; + unsigned long ipoff; + unsigned long cssel; + unsigned long dataoff; + unsigned long datasel; + struct _fpreg _st[8]; + unsigned short status; + unsigned short magic; /* 0xffff = regular FPU data only */ + + /* FXSR FPU environment */ + unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ + unsigned long mxcsr; + unsigned long reserved; + struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ + struct _xmmreg _xmm[8]; + unsigned long padding[56]; +}; + +#define X86_FXSR_MAGIC 0x0000 +#define PC(ctx) (ctx.eip) + +struct sigcontext { + unsigned short gs, __gsh; + unsigned short fs, __fsh; + unsigned short es, __esh; + unsigned short ds, __dsh; + unsigned long edi; + unsigned long esi; + unsigned long ebp; + unsigned long esp; + unsigned long ebx; + unsigned long edx; + unsigned long ecx; + unsigned long eax; + unsigned long trapno; + unsigned long err; + unsigned long eip; + unsigned short cs, __csh; + unsigned long eflags; + unsigned long esp_at_signal; + unsigned short ss, __ssh; + struct _fpstate * fpstate; + unsigned long oldmask; + unsigned long cr2; +}; + |