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