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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
0527e687 DH |
3 | #ifndef SCM_STACKCHK_H |
4 | #define SCM_STACKCHK_H | |
5 | ||
102dbb6f | 6 | /* Copyright (C) 1995,1996,1998,2000, 2003, 2006, 2008 Free Software Foundation, Inc. |
0527e687 | 7 | * |
73be1d9e | 8 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
9 | * modify it under the terms of the GNU Lesser General Public License |
10 | * as published by the Free Software Foundation; either version 3 of | |
11 | * the License, or (at your option) any later version. | |
0527e687 | 12 | * |
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13 | * This library is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
0527e687 | 17 | * |
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18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | * 02110-1301 USA | |
73be1d9e | 22 | */ |
0527e687 | 23 | |
0f2d19dd | 24 | \f |
0527e687 | 25 | |
b4309c3c | 26 | #include "libguile/__scm.h" |
0f2d19dd | 27 | |
dfc40e20 | 28 | #include "libguile/continuations.h" |
dfc40e20 | 29 | #include "libguile/debug.h" |
d0f6ceb8 | 30 | |
0f2d19dd JB |
31 | \f |
32 | ||
d0f6ceb8 | 33 | /* With debug options we have the possibility to disable stack checking. |
39f1ef51 | 34 | */ |
39f1ef51 | 35 | #define SCM_STACK_CHECKING_P SCM_STACK_LIMIT |
39f1ef51 MD |
36 | |
37 | #ifdef STACK_CHECKING | |
6c4eb8e1 | 38 | # if SCM_STACK_GROWS_UP |
39f1ef51 | 39 | # define SCM_STACK_OVERFLOW_P(s)\ |
79f55b7c | 40 | (SCM_STACK_PTR (s) \ |
9de87eea | 41 | > (SCM_I_CURRENT_THREAD->base + SCM_STACK_LIMIT)) |
0f2d19dd | 42 | # else |
39f1ef51 | 43 | # define SCM_STACK_OVERFLOW_P(s)\ |
79f55b7c | 44 | (SCM_STACK_PTR (s) \ |
9de87eea | 45 | < (SCM_I_CURRENT_THREAD->base - SCM_STACK_LIMIT)) |
0f2d19dd JB |
46 | # endif |
47 | # define SCM_CHECK_STACK\ | |
48 | {\ | |
49 | SCM_STACKITEM stack;\ | |
39f1ef51 | 50 | if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\ |
0f2d19dd JB |
51 | scm_report_stack_overflow ();\ |
52 | } | |
53 | #else | |
54 | # define SCM_CHECK_STACK /**/ | |
39f1ef51 | 55 | #endif /* STACK_CHECKING */ |
0f2d19dd | 56 | |
33b001fd | 57 | SCM_API int scm_stack_checking_enabled_p; |
0f2d19dd JB |
58 | |
59 | \f | |
0f2d19dd | 60 | |
33b001fd MV |
61 | SCM_API void scm_report_stack_overflow (void); |
62 | SCM_API long scm_stack_size (SCM_STACKITEM *start); | |
63 | SCM_API void scm_stack_report (void); | |
d8b6e191 | 64 | SCM_API SCM scm_sys_get_stack_size (void); |
102dbb6f | 65 | SCM_INTERNAL void scm_init_stackchk (void); |
0f2d19dd | 66 | |
0527e687 | 67 | #endif /* SCM_STACKCHK_H */ |
89e00824 ML |
68 | |
69 | /* | |
70 | Local Variables: | |
71 | c-file-style: "gnu" | |
72 | End: | |
73 | */ |