491 lines
10 KiB
C
491 lines
10 KiB
C
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_BEGIN_STD_C
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#if defined(__or1k__) || defined(__or1knd__)
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#define _JBLEN 31 /* 32 GPRs - r0 */
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#define _JBTYPE unsigned long
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#endif
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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(__aarch64__)
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#define _JBLEN 22
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#define _JBTYPE long long
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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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#ifdef __BFIN__
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#define _JBLEN 40
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#endif
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#ifdef __epiphany__
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/* All callee preserved registers: r4-r10,fp, sp, lr,r15, r32-r39 */
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#define _JBTYPE long long
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#define _JBLEN 10
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#endif
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/* necv70 was 9 as well. */
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#if defined(__m68k__) || defined(__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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#ifdef __nds32__
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/* 17 words for GPRs,
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1 word for $fpcfg.freg and 30 words for FPUs
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Reserved 2 words for aligement-adjustment. When storeing double-precision
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floating-point register into memory, the address has to be
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double-word-aligned.
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Check libc/machine/nds32/setjmp.S for more information. */
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#if __NDS32_EXT_FPU_SP__ || __NDS32_EXT_FPU_DP__
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#define _JBLEN 50
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#else
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#define _JBLEN 18
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#endif
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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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#ifdef __i386__
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# if defined(__CYGWIN__) && !defined (_JBLEN)
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# define _JBLEN (13 * 4)
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# elif defined(__unix__) || defined(__rtems__)
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# define _JBLEN 9
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# elif defined(__iamcu__)
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/* Intel MCU jmp_buf only covers callee-saved registers. */
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# define _JBLEN 6
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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 __x86_64__
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# ifdef __CYGWIN__
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# define _JBTYPE long
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# define _JBLEN 32
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# else
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# define _JBTYPE long long
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# define _JBLEN 8
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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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# if defined(__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 __MICROBLAZE__
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#define _JBLEN 20
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#define _JBTYPE unsigned int
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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 __TMS320C6X__
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#define _JBLEN 13
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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 __moxie__
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#define _JBLEN 16
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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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#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
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/* r6, r7, r8, r9, r10, r11, r12 (r12L, r12H),
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* r13 (r13L, r13H), ra(raL, raH), sp(spL, spH) */
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#define _JBLEN 14
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#define _JBTYPE unsigned short
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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 __FT32__
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#define _JBLEN 27
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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 __arc__
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#define _JBLEN 25 /* r13-r30,blink,lp_count,lp_start,lp_end,mlo,mhi,status32 */
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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 __mt__
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#define _JBLEN 16
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#endif
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#ifdef __SPU__
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#define _JBLEN 50
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#define _JBTYPE __vector signed int
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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 __XTENSA__
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#if __XTENSA_WINDOWED_ABI__
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/* The jmp_buf structure for Xtensa windowed ABI holds the following
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(where "proc" is the procedure that calls setjmp): 4-12 registers
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from the window of proc, the 4 words from the save area at proc's $sp
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(in case a subsequent alloca in proc moves $sp), and the return
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address within proc. Everything else is saved on the stack in the
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normal save areas. The jmp_buf structure is:
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struct jmp_buf {
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int regs[12];
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int save[4];
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void *return_address;
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}
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See the setjmp code for details. */
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#define _JBLEN 17 /* 12 + 4 + 1 */
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#else /* __XTENSA_CALL0_ABI__ */
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#define _JBLEN 6 /* a0, a1, a12, a13, a14, a15 */
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#endif /* __XTENSA_CALL0_ABI__ */
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#endif /* __XTENSA__ */
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#ifdef __mep__
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/* 16 GPRs, pc, hi, lo */
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#define _JBLEN 19
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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 __ia64
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#define _JBLEN 64
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#endif
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#ifdef __lm32__
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#define _JBLEN 19
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#endif
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#ifdef __m32c__
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#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
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#define _JBLEN (22/2)
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#else
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#define _JBLEN (34/2)
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#endif
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#define _JBTYPE unsigned short
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#endif /* __m32c__ */
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#ifdef __MSP430__
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#define _JBLEN 9
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#ifdef __MSP430X_LARGE__
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#define _JBTYPE unsigned long
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#else
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#define _JBTYPE unsigned short
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#endif
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#endif
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#ifdef __RL78__
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/* Three banks of registers, SP, CS, ES, PC */
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#define _JBLEN (8*3+8)
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#define _JBTYPE unsigned char
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#endif
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/*
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* There are two versions of setjmp()/longjmp():
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* 1) Compiler (gcc) built-in versions.
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* 2) Function-call versions.
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*
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* The built-in versions are used most of the time. When used, gcc replaces
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* calls to setjmp()/longjmp() with inline assembly code. The built-in
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* versions save/restore a variable number of registers.
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* _JBLEN is set to 40 to be ultra-safe with the built-in versions.
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* It only needs to be 12 for the function-call versions
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* but this data structure is used by both versions.
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*/
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#ifdef __NIOS2__
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#define _JBLEN 40
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#define _JBTYPE unsigned long
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#endif
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#ifdef __RX__
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#define _JBLEN 0x44
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#endif
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#ifdef __VISIUM__
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/* All call-saved GP registers: r11-r19,r21,r22,r23. */
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#define _JBLEN 12
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#endif
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#ifdef __riscv
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/* _JBTYPE using long long to make sure the alignment is align to 8 byte,
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otherwise in rv32imafd, store/restore FPR may mis-align. */
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#define _JBTYPE long long
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#ifdef __riscv_32e
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#define _JBLEN ((4*sizeof(long))/sizeof(long))
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#else
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#define _JBLEN ((14*sizeof(long) + 12*sizeof(double))/sizeof(long))
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#endif
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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__)) && __POSIX_VISIBLE
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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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#ifdef _JBTYPE
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typedef _JBTYPE sigjmp_buf[_JBLEN+1+((sizeof (_JBTYPE) + sizeof (sigset_t) - 1)
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/sizeof (_JBTYPE))];
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#else
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typedef int sigjmp_buf[_JBLEN+1+(sizeof (sigset_t)/sizeof (int))];
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#endif
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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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#ifdef _POSIX_THREADS
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#define __SIGMASK_FUNC pthread_sigmask
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#else
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#define __SIGMASK_FUNC sigprocmask
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#endif
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#ifdef __CYGWIN__
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/* Per POSIX, siglongjmp has to be implemented as function. Cygwin
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provides functions for both, siglongjmp and sigsetjmp since 2.2.0. */
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extern void siglongjmp (sigjmp_buf, int) __attribute__ ((__noreturn__));
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extern int sigsetjmp (sigjmp_buf, int);
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#endif
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#if defined(__GNUC__)
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#define sigsetjmp(env, savemask) \
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__extension__ \
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({ \
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sigjmp_buf *_sjbuf = &(env); \
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((*_sjbuf)[_SAVEMASK] = savemask,\
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__SIGMASK_FUNC (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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__extension__ \
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({ \
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sigjmp_buf *_sjbuf = &(env); \
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((((*_sjbuf)[_SAVEMASK]) ? \
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__SIGMASK_FUNC (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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__SIGMASK_FUNC (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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__SIGMASK_FUNC (SIG_SETMASK, (sigset_t *) ((env) + _SIGMASK), 0):0),\
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longjmp (env, val))
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#endif
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/* POSIX _setjmp/_longjmp, maintained for XSI compatibility. These
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are equivalent to sigsetjmp/siglongjmp when not saving the signal mask.
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New applications should use sigsetjmp/siglongjmp instead. */
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#ifdef __CYGWIN__
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extern void _longjmp (jmp_buf, int) __attribute__ ((__noreturn__));
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extern int _setjmp (jmp_buf);
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#else
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#define _setjmp(env) sigsetjmp ((env), 0)
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#define _longjmp(env, val) siglongjmp ((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__) and __POSIX_VISIBLE */
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