setjmp.h (3081B)
1/*------------------------------------------------------------------------- 2 setjmp.h - header file for setjmp & longjmp ANSI routines 3 4 Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net 5 6 This library is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published by the 8 Free Software Foundation; either version 2, or (at your option) any 9 later version. 10 11 This library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this library; see the file COPYING. If not, write to the 18 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 19 MA 02110-1301, USA. 20 21 As a special exception, if you link this library with other files, 22 some of which are compiled with SDCC, to produce an executable, 23 this library does not by itself cause the resulting executable to 24 be covered by the GNU General Public License. This exception does 25 not however invalidate any other reasons why the executable file 26 might be covered by the GNU General Public License. 27-------------------------------------------------------------------------*/ 28 29#ifndef __SDCC_SETJMP_H 30#define __SDCC_SETJMP_H 31 32#define SP_SIZE 1 33 34#ifdef __SDCC_STACK_AUTO 35#define BP_SIZE SP_SIZE 36#else 37#define BP_SIZE 0 38#endif 39 40#ifdef __SDCC_USE_XSTACK 41#define SPX_SIZE 1 42#else 43#define SPX_SIZE 0 44#endif 45 46#define BPX_SIZE SPX_SIZE 47 48#ifdef __SDCC_MODEL_HUGE 49#define RET_SIZE 3 50#else 51#define RET_SIZE 2 52#endif 53 54#if defined (__SDCC_z80) || defined (__SDCC_z180) || defined (__SDCC_r2k) || defined (__SDCC_r3ka) || defined (__SDCC_tlcs90) || defined (__SDCC_ez80_z80) || defined (__SDCC_z80n) 55typedef unsigned char jmp_buf[6]; /* 2 for the stack pointer, 2 for the return address, 2 for the frame pointer. */ 56#elif defined (__SDCC_ds390) || defined (__SDCC_stm8) && defined (__SDCC_MODEL_LARGE) 57typedef unsigned char jmp_buf[5]; /* 2 for the stack pointer, 3 for the return address. */ 58#elif defined (__SDCC_stm8) || defined (__SDCC_sm83) || defined (__SDCC_hc08) || defined (__SDCC_s08) 59typedef unsigned char jmp_buf[4]; /* 2 for the stack pointer, 2 for the return address. */ 60#elif defined (__SDCC_pdk13) || defined (__SDCC_pdk14) || defined (__SDCC_pdk15) 61typedef unsigned char jmp_buf[3]; /* 1 for the stack pointer, 2 for the return address. */ 62#else 63typedef unsigned char jmp_buf[RET_SIZE + SP_SIZE + BP_SIZE + SPX_SIZE + BPX_SIZE]; 64#endif 65 66int __setjmp (jmp_buf) OLDCALL; 67 68/* C99 might require setjmp to be a macro. The standard seems self-contradicting on this issue. */ 69/* However, it is clear that the standards allow setjmp to be a macro. */ 70#define setjmp(jump_buf) __setjmp(jump_buf) 71 72#ifndef __SDCC_HIDE_LONGJMP 73_Noreturn void longjmp(jmp_buf, int) OLDCALL; 74#endif 75 76#undef RET_SIZE 77#undef SP_SIZE 78#undef BP_SIZE 79#undef SPX_SIZE 80#undef BPX_SIZE 81 82#endif 83