Commit | Line | Data |
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79072805 LW |
1 | #define SAVEt_ITEM 0 |
2 | #define SAVEt_SV 1 | |
3 | #define SAVEt_AV 2 | |
4 | #define SAVEt_HV 3 | |
5 | #define SAVEt_INT 4 | |
85e6fe83 LW |
6 | #define SAVEt_LONG 5 |
7 | #define SAVEt_I32 6 | |
a0d0e21e LW |
8 | #define SAVEt_IV 7 |
9 | #define SAVEt_SPTR 8 | |
10 | #define SAVEt_APTR 9 | |
11 | #define SAVEt_HPTR 10 | |
12 | #define SAVEt_PPTR 11 | |
13 | #define SAVEt_NSTAB 12 | |
14 | #define SAVEt_SVREF 13 | |
15 | #define SAVEt_GP 14 | |
16 | #define SAVEt_FREESV 15 | |
17 | #define SAVEt_FREEOP 16 | |
18 | #define SAVEt_FREEPV 17 | |
19 | #define SAVEt_CLEARSV 18 | |
20 | #define SAVEt_DELETE 19 | |
21 | #define SAVEt_DESTRUCTOR 20 | |
22 | #define SAVEt_REGCONTEXT 21 | |
55497cff | 23 | #define SAVEt_STACK_POS 22 |
24 | #define SAVEt_I16 23 | |
462e5cf6 | 25 | #define SAVEt_OP 24 |
79072805 LW |
26 | |
27 | #define SSCHECK(need) if (savestack_ix + need > savestack_max) savestack_grow() | |
28 | #define SSPUSHINT(i) (savestack[savestack_ix++].any_i32 = (I32)(i)) | |
85e6fe83 | 29 | #define SSPUSHLONG(i) (savestack[savestack_ix++].any_long = (long)(i)) |
a0d0e21e | 30 | #define SSPUSHIV(i) (savestack[savestack_ix++].any_iv = (IV)(i)) |
79072805 | 31 | #define SSPUSHPTR(p) (savestack[savestack_ix++].any_ptr = (void*)(p)) |
a0d0e21e | 32 | #define SSPUSHDPTR(p) (savestack[savestack_ix++].any_dptr = (p)) |
79072805 | 33 | #define SSPOPINT (savestack[--savestack_ix].any_i32) |
85e6fe83 | 34 | #define SSPOPLONG (savestack[--savestack_ix].any_long) |
a0d0e21e | 35 | #define SSPOPIV (savestack[--savestack_ix].any_iv) |
79072805 | 36 | #define SSPOPPTR (savestack[--savestack_ix].any_ptr) |
a0d0e21e | 37 | #define SSPOPDPTR (savestack[--savestack_ix].any_dptr) |
8990e307 | 38 | |
a0d0e21e LW |
39 | #define SAVETMPS save_int((int*)&tmps_floor), tmps_floor = tmps_ix |
40 | #define FREETMPS if (tmps_ix > tmps_floor) free_tmps() | |
41 | #ifdef DEPRECATED | |
42 | #define FREE_TMPS() FREETMPS | |
43 | #endif | |
44 | ||
45 | #define ENTER push_scope() | |
46 | #define LEAVE pop_scope() | |
8990e307 | 47 | #define LEAVE_SCOPE(old) if (savestack_ix > old) leave_scope(old) |
a0d0e21e | 48 | |
55497cff | 49 | /* |
50 | * Not using SOFT_CAST on SAVEFREESV and SAVEFREESV | |
51 | * because these are used for several kinds of pointer values | |
52 | */ | |
4fdae800 | 53 | #define SAVEI16(i) save_I16(SOFT_CAST(I16*)&(i)) |
54 | #define SAVEI32(i) save_I32(SOFT_CAST(I32*)&(i)) | |
55 | #define SAVEINT(i) save_int(SOFT_CAST(int*)&(i)) | |
56 | #define SAVEIV(i) save_iv(SOFT_CAST(IV*)&(i)) | |
57 | #define SAVELONG(l) save_long(SOFT_CAST(long*)&(l)) | |
55497cff | 58 | #define SAVESPTR(s) save_sptr((SV**)&(s)) |
59 | #define SAVEPPTR(s) save_pptr(SOFT_CAST(char**)&(s)) | |
60 | #define SAVEFREESV(s) save_freesv((SV*)(s)) | |
61 | #define SAVEFREEOP(o) save_freeop(SOFT_CAST(OP*)(o)) | |
62 | #define SAVEFREEPV(p) save_freepv(SOFT_CAST(char*)(p)) | |
63 | #define SAVECLEARSV(sv) save_clearsv(SOFT_CAST(SV**)&(sv)) | |
64 | #define SAVEDELETE(h,k,l) \ | |
65 | save_delete(SOFT_CAST(HV*)(h), SOFT_CAST(char*)(k), (I32)(l)) | |
66 | #define SAVEDESTRUCTOR(f,p) \ | |
67 | save_destructor(SOFT_CAST(void(*)_((void*)))(f),SOFT_CAST(void*)(p)) | |
68 | #define SAVESTACK_POS() STMT_START { \ | |
69 | SSCHECK(2); \ | |
70 | SSPUSHINT(stack_sp - stack_base); \ | |
71 | SSPUSHINT(SAVEt_STACK_POS); \ | |
72 | } STMT_END | |
462e5cf6 | 73 | #define SAVEOP() save_op() |
54310121 | 74 | |
75 | /* A jmpenv packages the state required to perform a proper non-local jump. | |
76 | * Note that there is a start_env initialized when perl starts, and top_env | |
77 | * points to this initially, so top_env should always be non-null. | |
78 | * | |
79 | * Existence of a non-null top_env->je_prev implies it is valid to call | |
80 | * longjmp() at that runlevel (we make sure start_env.je_prev is always | |
81 | * null to ensure this). | |
82 | * | |
83 | * je_mustcatch, when set at any runlevel to TRUE, means eval ops must | |
84 | * establish a local jmpenv to handle exception traps. Care must be taken | |
85 | * to restore the previous value of je_mustcatch before exiting the | |
86 | * stack frame iff JMPENV_PUSH was not called in that stack frame. | |
87 | * GSAR 97-03-27 | |
88 | */ | |
89 | ||
90 | struct jmpenv { | |
91 | struct jmpenv * je_prev; | |
92 | Sigjmp_buf je_buf; | |
93 | int je_ret; /* return value of last setjmp() */ | |
94 | bool je_mustcatch; /* longjmp()s must be caught locally */ | |
95 | }; | |
96 | ||
97 | typedef struct jmpenv JMPENV; | |
98 | ||
462e5cf6 MB |
99 | #ifdef OP_IN_REGISTER |
100 | #define OP_REG_TO_MEM opsave = op | |
101 | #define OP_MEM_TO_REG op = opsave | |
102 | #else | |
103 | #define OP_REG_TO_MEM NOOP | |
104 | #define OP_MEM_TO_REG NOOP | |
105 | #endif | |
106 | ||
54310121 | 107 | #define dJMPENV JMPENV cur_env |
22921e25 CS |
108 | #define JMPENV_PUSH(v) \ |
109 | STMT_START { \ | |
110 | cur_env.je_prev = top_env; \ | |
462e5cf6 | 111 | OP_REG_TO_MEM; \ |
22921e25 | 112 | cur_env.je_ret = Sigsetjmp(cur_env.je_buf, 1); \ |
462e5cf6 | 113 | OP_MEM_TO_REG; \ |
22921e25 CS |
114 | top_env = &cur_env; \ |
115 | cur_env.je_mustcatch = FALSE; \ | |
116 | (v) = cur_env.je_ret; \ | |
117 | } STMT_END | |
118 | #define JMPENV_POP \ | |
119 | STMT_START { top_env = cur_env.je_prev; } STMT_END | |
120 | #define JMPENV_JUMP(v) \ | |
121 | STMT_START { \ | |
462e5cf6 | 122 | OP_REG_TO_MEM; \ |
22921e25 CS |
123 | if (top_env->je_prev) \ |
124 | Siglongjmp(top_env->je_buf, (v)); \ | |
125 | if ((v) == 2) \ | |
126 | exit(STATUS_NATIVE_EXPORT); \ | |
127 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); \ | |
128 | exit(1); \ | |
129 | } STMT_END | |
54310121 | 130 | |
131 | #define CATCH_GET (top_env->je_mustcatch) | |
132 | #define CATCH_SET(v) (top_env->je_mustcatch = (v)) | |
133 |