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- {
- This file is part of the Free Pascal run time library.
- Copyright (c) 2003 by the Free Pascal development team.
- SetJmp and LongJmp implementation for exception handling
- See the file COPYING.FPC, included in this distribution,
- for details about the copyright.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- **********************************************************************}
- function fpc_setjmp(var S : jmp_buf) : longint;assembler;[Public, alias : 'FPC_SETJMP'];nostackframe; compilerproc;
- asm
- {$if defined(FPUVFPV2) or defined(FPUVFPV3)}
- {$if defined(CPUARMV3) or defined(CPUARMV4) or defined(CPUARMV5)}
- fstmiax r0!, {d8-d15}
- {$else}
- fstmiad r0!, {d8-d15}
- {$endif}
- {$endif}
- {$if defined(CPUCORTEXM3) or defined(CPUARMV7M)}
- stmia r0!, {v1-v6, sl, fp}
- mov r2, sp
- stmia r0!, {r2, lr}
- mov r0,#0
- mov pc,lr
- {$else}
- stmia r0,{v1-v6, sl, fp, sp, lr}
- mov r0,#0
- bx lr
- {$endif}
- end;
- procedure fpc_longjmp(var S : jmp_buf;value : longint);assembler;[Public, alias : 'FPC_LONGJMP']; compilerproc;
- asm
- {$if defined(CPUCORTEXM3) or defined(CPUARMV7M)}
- mov ip, r0
- movs r0, r1
- it eq
- moveq r0, #1
- {$if defined(FPUVFPV2) or defined(FPUVFPV3)}
- fldmiad ip!, {d8-d15}
- {$endif}
- ldmia ip,{v1-v6, sl, fp}
- ldr sp, [ip]
- add ip, ip, #4
- ldr pc, [ip]
- {$else}
- mov ip, r0
- movs r0, r1
- moveq r0, #1
- {$if defined(FPUVFPV2) or defined(FPUVFPV3)}
- {$if defined(CPUARMV3) or defined(CPUARMV4) or defined(CPUARMV5)}
- fldmiax ip!, {d8-d15}
- {$else}
- fldmiad ip!, {d8-d15}
- {$endif}
- {$endif}
- ldmia ip,{v1-v6, sl, fp, sp, pc}
- {$endif}
- end;
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