| | 1 | /* classes: h_files */ |
| | 2 | |
| | 3 | #ifndef SCM_STACKCHK_H |
| | 4 | #define SCM_STACKCHK_H |
| | 5 | |
| | 6 | /* Copyright (C) 1995,1996,1998,2000, 2003 Free Software Foundation, Inc. |
| | 7 | * |
| | 8 | * This library is free software; you can redistribute it and/or |
| | 9 | * modify it under the terms of the GNU Lesser General Public |
| | 10 | * License as published by the Free Software Foundation; either |
| | 11 | * version 2.1 of the License, or (at your option) any later version. |
| | 12 | * |
| | 13 | * This library is distributed in the hope that it will be useful, |
| | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 16 | * Lesser General Public License for more details. |
| | 17 | * |
| | 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 |
| | 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| | 21 | */ |
| | 22 | |
| | 23 | \f |
| | 24 | |
| | 25 | #include "libguile/__scm.h" |
| | 26 | |
| | 27 | #include "libguile/continuations.h" |
| | 28 | #include "libguile/debug.h" |
| | 29 | |
| | 30 | \f |
| | 31 | |
| | 32 | /* With debug options we have the possibility to disable stack checking. |
| | 33 | */ |
| | 34 | #define SCM_STACK_CHECKING_P SCM_STACK_LIMIT |
| | 35 | |
| | 36 | #ifdef STACK_CHECKING |
| | 37 | # if SCM_STACK_GROWS_UP |
| | 38 | # define SCM_STACK_OVERFLOW_P(s)\ |
| | 39 | (SCM_STACK_PTR (s) \ |
| | 40 | > (SCM_I_CURRENT_THREAD->base + SCM_STACK_LIMIT)) |
| | 41 | # else |
| | 42 | # define SCM_STACK_OVERFLOW_P(s)\ |
| | 43 | (SCM_STACK_PTR (s) \ |
| | 44 | < (SCM_I_CURRENT_THREAD->base - SCM_STACK_LIMIT)) |
| | 45 | # endif |
| | 46 | # define SCM_CHECK_STACK\ |
| | 47 | {\ |
| | 48 | SCM_STACKITEM stack;\ |
| | 49 | if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\ |
| | 50 | scm_report_stack_overflow ();\ |
| | 51 | } |
| | 52 | #else |
| | 53 | # define SCM_CHECK_STACK /**/ |
| | 54 | #endif /* STACK_CHECKING */ |
| | 55 | |
| | 56 | SCM_API int scm_stack_checking_enabled_p; |
| | 57 | |
| | 58 | \f |
| | 59 | |
| | 60 | SCM_API void scm_report_stack_overflow (void); |
| | 61 | SCM_API long scm_stack_size (SCM_STACKITEM *start); |
| | 62 | SCM_API void scm_stack_report (void); |
| | 63 | SCM_API void scm_init_stackchk (void); |
| | 64 | |
| | 65 | #endif /* SCM_STACKCHK_H */ |
| | 66 | |
| | 67 | /* |
| | 68 | Local Variables: |
| | 69 | c-file-style: "gnu" |
| | 70 | End: |
| | 71 | */ |
HCoop / bpt / guile.git / blame_incremental