#define SAVEt_ITEM 0 #define SAVEt_SV 1 #define SAVEt_AV 2 #define SAVEt_HV 3 #define SAVEt_INT 4 #define SAVEt_LONG 5 #define SAVEt_I32 6 #define SAVEt_IV 7 #define SAVEt_SPTR 8 #define SAVEt_APTR 9 #define SAVEt_HPTR 10 #define SAVEt_PPTR 11 #define SAVEt_NSTAB 12 #define SAVEt_SVREF 13 #define SAVEt_GP 14 #define SAVEt_FREESV 15 #define SAVEt_FREEOP 16 #define SAVEt_FREEPV 17 #define SAVEt_CLEARSV 18 #define SAVEt_DELETE 19 #define SAVEt_DESTRUCTOR 20 #define SAVEt_REGCONTEXT 21 #define SAVEt_STACK_POS 22 #define SAVEt_I16 23 #define SAVEt_OP 24 #define SSCHECK(need) if (savestack_ix + need > savestack_max) savestack_grow() #define SSPUSHINT(i) (savestack[savestack_ix++].any_i32 = (I32)(i)) #define SSPUSHLONG(i) (savestack[savestack_ix++].any_long = (long)(i)) #define SSPUSHIV(i) (savestack[savestack_ix++].any_iv = (IV)(i)) #define SSPUSHPTR(p) (savestack[savestack_ix++].any_ptr = (void*)(p)) #define SSPUSHDPTR(p) (savestack[savestack_ix++].any_dptr = (p)) #define SSPOPINT (savestack[--savestack_ix].any_i32) #define SSPOPLONG (savestack[--savestack_ix].any_long) #define SSPOPIV (savestack[--savestack_ix].any_iv) #define SSPOPPTR (savestack[--savestack_ix].any_ptr) #define SSPOPDPTR (savestack[--savestack_ix].any_dptr) #define SAVETMPS save_int((int*)&tmps_floor), tmps_floor = tmps_ix #define FREETMPS if (tmps_ix > tmps_floor) free_tmps() #define ENTER push_scope() #define LEAVE pop_scope() #define LEAVE_SCOPE(old) if (savestack_ix > old) leave_scope(old) /* * Not using SOFT_CAST on SAVEFREESV and SAVEFREESV * because these are used for several kinds of pointer values */ #define SAVEI16(i) save_I16(SOFT_CAST(I16*)&(i)) #define SAVEI32(i) save_I32(SOFT_CAST(I32*)&(i)) #define SAVEINT(i) save_int(SOFT_CAST(int*)&(i)) #define SAVEIV(i) save_iv(SOFT_CAST(IV*)&(i)) #define SAVELONG(l) save_long(SOFT_CAST(long*)&(l)) #define SAVESPTR(s) save_sptr((SV**)&(s)) #define SAVEPPTR(s) save_pptr(SOFT_CAST(char**)&(s)) #define SAVEFREESV(s) save_freesv((SV*)(s)) #define SAVEFREEOP(o) save_freeop(SOFT_CAST(OP*)(o)) #define SAVEFREEPV(p) save_freepv(SOFT_CAST(char*)(p)) #define SAVECLEARSV(sv) save_clearsv(SOFT_CAST(SV**)&(sv)) #define SAVEDELETE(h,k,l) \ save_delete(SOFT_CAST(HV*)(h), SOFT_CAST(char*)(k), (I32)(l)) #define SAVEDESTRUCTOR(f,p) \ save_destructor(SOFT_CAST(void(*)_((void*)))(f),SOFT_CAST(void*)(p)) #define SAVESTACK_POS() STMT_START { \ SSCHECK(2); \ SSPUSHINT(stack_sp - stack_base); \ SSPUSHINT(SAVEt_STACK_POS); \ } STMT_END #define SAVEOP() save_op() /* A jmpenv packages the state required to perform a proper non-local jump. * Note that there is a start_env initialized when perl starts, and top_env * points to this initially, so top_env should always be non-null. * * Existence of a non-null top_env->je_prev implies it is valid to call * longjmp() at that runlevel (we make sure start_env.je_prev is always * null to ensure this). * * je_mustcatch, when set at any runlevel to TRUE, means eval ops must * establish a local jmpenv to handle exception traps. Care must be taken * to restore the previous value of je_mustcatch before exiting the * stack frame iff JMPENV_PUSH was not called in that stack frame. * GSAR 97-03-27 */ struct jmpenv { struct jmpenv * je_prev; Sigjmp_buf je_buf; int je_ret; /* return value of last setjmp() */ bool je_mustcatch; /* longjmp()s must be caught locally */ }; typedef struct jmpenv JMPENV; #ifdef OP_IN_REGISTER #define OP_REG_TO_MEM opsave = op #define OP_MEM_TO_REG op = opsave #else #define OP_REG_TO_MEM NOOP #define OP_MEM_TO_REG NOOP #endif #define dJMPENV JMPENV cur_env #define JMPENV_PUSH(v) \ STMT_START { \ cur_env.je_prev = top_env; \ OP_REG_TO_MEM; \ cur_env.je_ret = Sigsetjmp(cur_env.je_buf, 1); \ OP_MEM_TO_REG; \ top_env = &cur_env; \ cur_env.je_mustcatch = FALSE; \ (v) = cur_env.je_ret; \ } STMT_END #define JMPENV_POP \ STMT_START { top_env = cur_env.je_prev; } STMT_END #define JMPENV_JUMP(v) \ STMT_START { \ OP_REG_TO_MEM; \ if (top_env->je_prev) \ Siglongjmp(top_env->je_buf, (v)); \ if ((v) == 2) \ exit(STATUS_NATIVE_EXPORT); \ PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); \ exit(1); \ } STMT_END #define CATCH_GET (top_env->je_mustcatch) #define CATCH_SET(v) (top_env->je_mustcatch = (v))