/* These are predefined by new versions of GNU cpp. */ #ifndef __USER_LABEL_PREFIX__ #define __USER_LABEL_PREFIX__ _ #endif #ifndef __REGISTER_PREFIX__ #define __REGISTER_PREFIX__ #endif /* ANSI concatenation macros. */ #define CONCAT1(a, b) CONCAT2(a, b) #define CONCAT2(a, b) a ## b /* Use the right prefix for global labels. */ #define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) /* Use the right prefix for registers. */ #define REG(x) CONCAT1 (__REGISTER_PREFIX__, x) #define d0 REG (d0) #define d1 REG (d1) #define d2 REG (d2) #define d3 REG (d3) #define d4 REG (d4) #define d5 REG (d5) #define d6 REG (d6) #define d7 REG (d7) #define a0 REG (a0) #define a1 REG (a1) #define a2 REG (a2) #define a3 REG (a3) #define a4 REG (a4) #define a5 REG (a5) #define a6 REG (a6) #define fp REG (fp) #define sp REG (sp) .global SYM (setjmp) .global SYM (longjmp) SYM (setjmp): moveal sp@(4),a0 movel sp@(0),a0@(12) movel sp,a0@(8) moveml d2-d7/a2-a6,a0@(20) clrl d0 rts SYM (longjmp): moveal sp@(4),a0 movel sp@(8),d0 bne 1f movel #1,d0 1: moveml a0@(20),d2-d7/a2-a6 moveal a0@(8),sp movel a0@(12),sp@ rts #ifdef M68881 .global SYM (setjmp_68881) .global SYM (longjmp_68881) SYM (setjmp_68881): moveal sp@(4),a0 movel sp@(0),a0@(12) movel sp,a0@(8) moveml d2-d7/a2-a6,a0@(20) fmovemx fp2-fp7,a0@(64) clrl d0 rts SYM (longjmp_68881): moveal sp@(4),a0 fmovemx a0@(64),fp2-fp7 movel sp@(8),d0 bne 1f movel #1,d0 1: moveml a0@(20),d2-d7/a2-a6 moveal a0@(8),sp movel a0@(12),sp@ rts #endif