Commit | Line | Data |
---|---|---|
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 | |
161b7d16 SM |
25 | #define SAVEt_AELEM 24 |
26 | #define SAVEt_HELEM 25 | |
5d863698 | 27 | #define SAVEt_OP 26 |
25eaa213 | 28 | #define SAVEt_HINTS 27 |
8cb402fe GB |
29 | /* #define SAVEt_ALLOC 28 */ /* defined in 5.005_5x */ |
30 | #define SAVEt_GENERIC_SVREF 29 | |
79072805 | 31 | |
3280af22 NIS |
32 | #define SSCHECK(need) if (PL_savestack_ix + need > PL_savestack_max) savestack_grow() |
33 | #define SSPUSHINT(i) (PL_savestack[PL_savestack_ix++].any_i32 = (I32)(i)) | |
34 | #define SSPUSHLONG(i) (PL_savestack[PL_savestack_ix++].any_long = (long)(i)) | |
35 | #define SSPUSHIV(i) (PL_savestack[PL_savestack_ix++].any_iv = (IV)(i)) | |
36 | #define SSPUSHPTR(p) (PL_savestack[PL_savestack_ix++].any_ptr = (void*)(p)) | |
37 | #define SSPUSHDPTR(p) (PL_savestack[PL_savestack_ix++].any_dptr = (p)) | |
38 | #define SSPOPINT (PL_savestack[--PL_savestack_ix].any_i32) | |
39 | #define SSPOPLONG (PL_savestack[--PL_savestack_ix].any_long) | |
40 | #define SSPOPIV (PL_savestack[--PL_savestack_ix].any_iv) | |
41 | #define SSPOPPTR (PL_savestack[--PL_savestack_ix].any_ptr) | |
42 | #define SSPOPDPTR (PL_savestack[--PL_savestack_ix].any_dptr) | |
8990e307 | 43 | |
3280af22 NIS |
44 | #define SAVETMPS save_int((int*)&PL_tmps_floor), PL_tmps_floor = PL_tmps_ix |
45 | #define FREETMPS if (PL_tmps_ix > PL_tmps_floor) free_tmps() | |
a0d0e21e | 46 | |
f46d017c GS |
47 | #ifdef DEBUGGING |
48 | #define ENTER \ | |
49 | STMT_START { \ | |
50 | push_scope(); \ | |
f3dc24a5 | 51 | DEBUG_l(WITH_THR(deb("ENTER scope %ld at %s:%d\n", \ |
3280af22 | 52 | PL_scopestack_ix, __FILE__, __LINE__))); \ |
f46d017c GS |
53 | } STMT_END |
54 | #define LEAVE \ | |
55 | STMT_START { \ | |
f3dc24a5 | 56 | DEBUG_l(WITH_THR(deb("LEAVE scope %ld at %s:%d\n", \ |
3280af22 | 57 | PL_scopestack_ix, __FILE__, __LINE__))); \ |
f46d017c GS |
58 | pop_scope(); \ |
59 | } STMT_END | |
60 | #else | |
a0d0e21e LW |
61 | #define ENTER push_scope() |
62 | #define LEAVE pop_scope() | |
f46d017c | 63 | #endif |
3280af22 | 64 | #define LEAVE_SCOPE(old) if (PL_savestack_ix > old) leave_scope(old) |
a0d0e21e | 65 | |
55497cff | 66 | /* |
8cb402fe | 67 | * Not using SOFT_CAST on SAVESPTR, SAVEGENERICSV and SAVEFREESV |
55497cff | 68 | * because these are used for several kinds of pointer values |
69 | */ | |
4fdae800 | 70 | #define SAVEI16(i) save_I16(SOFT_CAST(I16*)&(i)) |
71 | #define SAVEI32(i) save_I32(SOFT_CAST(I32*)&(i)) | |
72 | #define SAVEINT(i) save_int(SOFT_CAST(int*)&(i)) | |
73 | #define SAVEIV(i) save_iv(SOFT_CAST(IV*)&(i)) | |
74 | #define SAVELONG(l) save_long(SOFT_CAST(long*)&(l)) | |
55497cff | 75 | #define SAVESPTR(s) save_sptr((SV**)&(s)) |
76 | #define SAVEPPTR(s) save_pptr(SOFT_CAST(char**)&(s)) | |
77 | #define SAVEFREESV(s) save_freesv((SV*)(s)) | |
78 | #define SAVEFREEOP(o) save_freeop(SOFT_CAST(OP*)(o)) | |
79 | #define SAVEFREEPV(p) save_freepv(SOFT_CAST(char*)(p)) | |
80 | #define SAVECLEARSV(sv) save_clearsv(SOFT_CAST(SV**)&(sv)) | |
8cb402fe | 81 | #define SAVEGENERICSV(s) save_generic_svref((SV**)&(s)) |
55497cff | 82 | #define SAVEDELETE(h,k,l) \ |
83 | save_delete(SOFT_CAST(HV*)(h), SOFT_CAST(char*)(k), (I32)(l)) | |
76e3520e | 84 | #ifdef PERL_OBJECT |
565764a8 | 85 | #define CALLDESTRUCTOR this->*SSPOPDPTR |
76e3520e | 86 | #define SAVEDESTRUCTOR(f,p) \ |
ac4c12e7 GS |
87 | save_destructor((DESTRUCTORFUNC)(FUNC_NAME_TO_PTR(f)), \ |
88 | SOFT_CAST(void*)(p)) | |
76e3520e | 89 | #else |
565764a8 | 90 | #define CALLDESTRUCTOR *SSPOPDPTR |
55497cff | 91 | #define SAVEDESTRUCTOR(f,p) \ |
ac4c12e7 GS |
92 | save_destructor(SOFT_CAST(void(*)_((void*)))(FUNC_NAME_TO_PTR(f)), \ |
93 | SOFT_CAST(void*)(p)) | |
76e3520e | 94 | #endif |
25eaa213 GS |
95 | |
96 | #define SAVESTACK_POS() \ | |
97 | STMT_START { \ | |
98 | SSCHECK(2); \ | |
3280af22 | 99 | SSPUSHINT(PL_stack_sp - PL_stack_base); \ |
25eaa213 GS |
100 | SSPUSHINT(SAVEt_STACK_POS); \ |
101 | } STMT_END | |
102 | ||
462e5cf6 | 103 | #define SAVEOP() save_op() |
25eaa213 GS |
104 | |
105 | #define SAVEHINTS() \ | |
106 | STMT_START { \ | |
3280af22 | 107 | if (PL_hints & HINT_LOCALIZE_HH) \ |
25eaa213 GS |
108 | save_hints(); \ |
109 | else { \ | |
110 | SSCHECK(2); \ | |
3280af22 | 111 | SSPUSHINT(PL_hints); \ |
25eaa213 GS |
112 | SSPUSHINT(SAVEt_HINTS); \ |
113 | } \ | |
114 | } STMT_END | |
a9332b4a | 115 | |
54310121 | 116 | /* A jmpenv packages the state required to perform a proper non-local jump. |
117 | * Note that there is a start_env initialized when perl starts, and top_env | |
118 | * points to this initially, so top_env should always be non-null. | |
119 | * | |
120 | * Existence of a non-null top_env->je_prev implies it is valid to call | |
6224f72b GS |
121 | * longjmp() at that runlevel (we make sure start_env.je_prev is always |
122 | * null to ensure this). | |
54310121 | 123 | * |
124 | * je_mustcatch, when set at any runlevel to TRUE, means eval ops must | |
125 | * establish a local jmpenv to handle exception traps. Care must be taken | |
126 | * to restore the previous value of je_mustcatch before exiting the | |
127 | * stack frame iff JMPENV_PUSH was not called in that stack frame. | |
6224f72b | 128 | * GSAR 97-03-27 |
54310121 | 129 | */ |
130 | ||
131 | struct jmpenv { | |
132 | struct jmpenv * je_prev; | |
6224f72b GS |
133 | Sigjmp_buf je_buf; |
134 | int je_ret; /* return value of last setjmp() */ | |
135 | bool je_mustcatch; /* longjmp()s must be caught locally */ | |
1163b5c4 | 136 | }; |
1163b5c4 | 137 | |
6224f72b | 138 | typedef struct jmpenv JMPENV; |
1163b5c4 | 139 | |
462e5cf6 | 140 | #ifdef OP_IN_REGISTER |
6b88bc9c GS |
141 | #define OP_REG_TO_MEM PL_opsave = op |
142 | #define OP_MEM_TO_REG op = PL_opsave | |
462e5cf6 MB |
143 | #else |
144 | #define OP_REG_TO_MEM NOOP | |
145 | #define OP_MEM_TO_REG NOOP | |
146 | #endif | |
147 | ||
6224f72b GS |
148 | #define dJMPENV JMPENV cur_env |
149 | #define JMPENV_PUSH(v) \ | |
150 | STMT_START { \ | |
3280af22 | 151 | cur_env.je_prev = PL_top_env; \ |
6224f72b GS |
152 | OP_REG_TO_MEM; \ |
153 | cur_env.je_ret = PerlProc_setjmp(cur_env.je_buf, 1); \ | |
154 | OP_MEM_TO_REG; \ | |
3280af22 | 155 | PL_top_env = &cur_env; \ |
6224f72b GS |
156 | cur_env.je_mustcatch = FALSE; \ |
157 | (v) = cur_env.je_ret; \ | |
158 | } STMT_END | |
159 | #define JMPENV_POP \ | |
3280af22 | 160 | STMT_START { PL_top_env = cur_env.je_prev; } STMT_END |
22921e25 CS |
161 | #define JMPENV_JUMP(v) \ |
162 | STMT_START { \ | |
462e5cf6 | 163 | OP_REG_TO_MEM; \ |
3280af22 NIS |
164 | if (PL_top_env->je_prev) \ |
165 | PerlProc_longjmp(PL_top_env->je_buf, (v)); \ | |
6224f72b GS |
166 | if ((v) == 2) \ |
167 | PerlProc_exit(STATUS_NATIVE_EXPORT); \ | |
168 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); \ | |
169 | PerlProc_exit(1); \ | |
22921e25 | 170 | } STMT_END |
54310121 | 171 | |
3280af22 NIS |
172 | #define CATCH_GET (PL_top_env->je_mustcatch) |
173 | #define CATCH_SET(v) (PL_top_env->je_mustcatch = (v)) | |
6224f72b | 174 |