88 lines
1.9 KiB
C
Executable File
88 lines
1.9 KiB
C
Executable File
/* This file is intended for use by assembly language programs that
|
|
* need to manipulate a jmp_buf. It may only be used by those systems
|
|
* for which a jmp_buf is identical to a struct sigcontext.
|
|
*/
|
|
|
|
#ifndef _JMP_BUF_H
|
|
#define _JMP_BUF_H
|
|
|
|
#if !defined(CHIP)
|
|
#include "error, configuration is not known"
|
|
#endif
|
|
|
|
#if (CHIP == INTEL)
|
|
#if _WORD_SIZE == 4
|
|
#define JB_FLAGS 0
|
|
#define JB_MASK 4
|
|
#define JB_GS 8
|
|
#define JB_FS 10
|
|
#define JB_ES 12
|
|
#define JB_DS 14
|
|
#define JB_DI 16
|
|
#define JB_SI 20
|
|
#define JB_BP 24
|
|
#define JB_ST 28
|
|
#define JB_BX 32
|
|
#define JB_DX 36
|
|
#define JB_CX 40
|
|
#define JB_AX 44
|
|
#define JB_RETADR 48
|
|
#define JB_IP 52
|
|
#define JB_CS 56
|
|
#define JB_PSW 60
|
|
#define JB_SP 64
|
|
#define JB_SS 68
|
|
#else /* _WORD_SIZE == 2 */
|
|
#define JB_FLAGS 0
|
|
#define JB_MASK 2
|
|
#define JB_ES 6
|
|
#define JB_DS 8
|
|
#define JB_DI 10
|
|
#define JB_SI 12
|
|
#define JB_BP 14
|
|
#define JB_ST 16
|
|
#define JB_BX 18
|
|
#define JB_DX 20
|
|
#define JB_CX 22
|
|
#define JB_AX 24
|
|
#define JB_RETADR 26
|
|
#define JB_IP 28
|
|
#define JB_CS 30
|
|
#define JB_PSW 32
|
|
#define JB_SP 34
|
|
#define JB_SS 36
|
|
#endif /* _WORD_SIZE == 2 */
|
|
#else /* !(CHIP == INTEL) */
|
|
#if (CHIP == M68000)
|
|
#define JB_FLAGS 0
|
|
#define JB_MASK 2
|
|
#define JB_RETREG 6
|
|
#define JB_D1 10
|
|
#define JB_D2 14
|
|
#define JB_D3 18
|
|
#define JB_D4 22
|
|
#define JB_D5 26
|
|
#define JB_D6 20
|
|
#define JB_D7 34
|
|
#define JB_A0 38
|
|
#define JB_A1 42
|
|
#define JB_A2 46
|
|
#define JB_A3 50
|
|
#define JB_A4 54
|
|
#define JB_A5 58
|
|
#define JB_A6 62
|
|
#define JB_SP 66
|
|
#define JB_PC 70
|
|
#define JB_PSW 74
|
|
#else /* !(CHIP == INTEL) && !(CHIP == M68000) */
|
|
#include "error, CHIP is not supported"
|
|
#endif /* (CHIP == INTEL) */
|
|
|
|
/* Defines from C headers needed in assembly code. The headers have too
|
|
* much C stuff to used directly.
|
|
*/
|
|
#define SIG_BLOCK 0 /* must agree with <signal.h> */
|
|
#define SC_SIGCONTEXT 2 /* must agree with <sys/sigcontext.h> */
|
|
#define SC_NOREGLOCALS 4 /* must agree with <sys/sigcontext.h> */
|
|
#endif /* _JMP_BUF_H */
|