278 lines
4.9 KiB
C
278 lines
4.9 KiB
C
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_BEGIN_STD_C
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#if defined(__arm__) || defined(__thumb__)
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/*
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* All callee preserved registers:
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* v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7
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*/
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#define _JBLEN 23
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#endif
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#if defined(__AVR__)
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#define _JBLEN 24
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#endif
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#ifdef __sparc__
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/*
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* onsstack,sigmask,sp,pc,npc,psr,g1,o0,wbcnt (sigcontext).
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* All else recovered by under/over(flow) handling.
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*/
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#define _JBLEN 13
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#endif
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/* necv70 was 9 as well. */
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#ifdef __mc68000__
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/*
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* onsstack,sigmask,sp,pc,psl,d2-d7,a2-a6,
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* fp2-fp7 for 68881.
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* All else recovered by under/over(flow) handling.
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*/
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#define _JBLEN 34
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#endif
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#if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__)
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/*
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* D, X, Y are not saved.
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* Only take into account the pseudo soft registers (max 32).
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*/
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#define _JBLEN 32
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#endif
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#if defined(__Z8001__) || defined(__Z8002__)
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/* 16 regs + pc */
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#define _JBLEN 20
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#endif
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#ifdef _AM29K
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/*
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* onsstack,sigmask,sp,pc,npc,psr,g1,o0,wbcnt (sigcontext).
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* All else recovered by under/over(flow) handling.
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*/
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#define _JBLEN 9
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#endif
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#if defined(__CYGWIN__) && !defined (_JBLEN)
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#define _JBLEN (13 * 4)
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#elif defined (__i386__)
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#if defined(__unix__) || defined(__rtems__)
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# define _JBLEN 9
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#else
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#include "setjmp-dj.h"
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#endif
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#endif
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#ifdef __i960__
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#define _JBLEN 35
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#endif
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#ifdef __M32R__
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/* Only 8 words are currently needed. 10 gives us some slop if we need
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to expand. */
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#define _JBLEN 10
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#endif
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#ifdef __mips__
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#ifdef __mips64
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#define _JBTYPE long long
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#endif
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#ifdef __mips_soft_float
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#define _JBLEN 11
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#else
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#define _JBLEN 23
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#endif
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#endif
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#ifdef __m88000__
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#define _JBLEN 21
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#endif
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#ifdef __H8300__
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#define _JBLEN 5
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#define _JBTYPE int
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#endif
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#ifdef __H8300H__
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/* same as H8/300 but registers are twice as big */
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#define _JBLEN 5
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#define _JBTYPE long
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#endif
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#if defined (__H8300S__) || defined (__H8300SX__)
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/* same as H8/300 but registers are twice as big */
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#define _JBLEN 5
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#define _JBTYPE long
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#endif
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#ifdef __H8500__
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#define _JBLEN 4
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#endif
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#ifdef __sh__
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#if __SH5__
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#define _JBLEN 50
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#define _JBTYPE long long
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#else
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#define _JBLEN 20
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#endif /* __SH5__ */
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#endif
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#ifdef __v800
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#define _JBLEN 28
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#endif
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#ifdef __PPC__
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#ifdef __ALTIVEC__
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#define _JBLEN 64
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#else
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#define _JBLEN 32
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#endif
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#define _JBTYPE double
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#endif
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#ifdef __hppa__
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/* %r30, %r2-%r18, %r27, pad, %fr12-%fr15.
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Note space exists for the FP registers, but they are not
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saved. */
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#define _JBLEN 28
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#endif
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#if defined(__mn10300__) || defined(__mn10200__)
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#ifdef __AM33_2__
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#define _JBLEN 26
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#else
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/* A guess */
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#define _JBLEN 10
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#endif
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#endif
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#ifdef __v850
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/* I think our setjmp is saving 15 regs at the moment. Gives us one word
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slop if we need to expand. */
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#define _JBLEN 16
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#endif
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#if defined(_C4x)
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#define _JBLEN 10
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#endif
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#if defined(_C3x)
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#define _JBLEN 9
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#endif
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#ifdef __TIC80__
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#define _JBLEN 13
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#endif
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#ifdef __D10V__
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#define _JBLEN 8
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#endif
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#ifdef __D30V__
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#define _JBLEN ((64 /* GPR */ + (2*2) /* ACs */ + 18 /* CRs */) / 2)
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#define _JBTYPE double
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#endif
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#ifdef __frv__
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#define _JBLEN (68/2) /* room for 68 32-bit regs */
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#define _JBTYPE double
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#endif
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#ifdef __CRX__
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#define _JBLEN 9
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#endif
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#ifdef __fr30__
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#define _JBLEN 10
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#endif
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#ifdef __iq2000__
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#define _JBLEN 32
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#endif
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#ifdef __mcore__
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#define _JBLEN 16
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#endif
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#ifdef __MMIX__
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/* Using a layout compatible with GCC's built-in. */
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#define _JBLEN 5
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#define _JBTYPE unsigned long
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#endif
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#ifdef __ms1__
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#define _JBLEN 16
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#endif
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#ifdef __xstormy16__
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/* 4 GPRs plus SP plus PC. */
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#define _JBLEN 8
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#endif
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#ifdef __CRIS__
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#define _JBLEN 18
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#endif
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#ifdef _JBLEN
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#ifdef _JBTYPE
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typedef _JBTYPE jmp_buf[_JBLEN];
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#else
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typedef int jmp_buf[_JBLEN];
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#endif
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#endif
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_END_STD_C
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#if defined(__CYGWIN__) || defined(__rtems__)
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#include <signal.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* POSIX sigsetjmp/siglongjmp macros */
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typedef int sigjmp_buf[_JBLEN+2];
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#define _SAVEMASK _JBLEN
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#define _SIGMASK (_JBLEN+1)
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#ifdef __CYGWIN__
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# define _CYGWIN_WORKING_SIGSETJMP
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#endif
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#if defined(__GNUC__)
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#define sigsetjmp(env, savemask) \
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({ \
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sigjmp_buf *_sjbuf = &(env); \
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((*_sjbuf)[_SAVEMASK] = savemask,\
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sigprocmask (SIG_SETMASK, 0, (sigset_t *)((*_sjbuf) + _SIGMASK)),\
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setjmp (*_sjbuf)); \
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})
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#define siglongjmp(env, val) \
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({ \
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sigjmp_buf *_sjbuf = &(env); \
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((((*_sjbuf)[_SAVEMASK]) ? \
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sigprocmask (SIG_SETMASK, (sigset_t *)((*_sjbuf) + _SIGMASK), 0)\
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: 0), \
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longjmp (*_sjbuf, val)); \
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})
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#else /* !__GNUC__ */
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#define sigsetjmp(env, savemask) ((env)[_SAVEMASK] = savemask,\
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sigprocmask (SIG_SETMASK, 0, (sigset_t *) ((env) + _SIGMASK)),\
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setjmp (env))
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#define siglongjmp(env, val) ((((env)[_SAVEMASK])?\
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sigprocmask (SIG_SETMASK, (sigset_t *) ((env) + _SIGMASK), 0):0),\
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longjmp (env, val))
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CYGWIN__ or __rtems__ */
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