MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
musl libunwind
+44
-2
+10
-1
meson/deps/meson.build
+10
-1
meson/deps/meson.build
···
51
51
win_deps = []
52
52
endif
53
53
54
+
crash_deps = []
55
+
if host_machine.system() == 'linux'
56
+
libunwind_dep = dependency('libunwind', required: false, static: is_static)
57
+
if libunwind_dep.found() and cc.has_header('libunwind.h', dependencies: libunwind_dep)
58
+
crash_deps += [libunwind_dep]
59
+
add_project_arguments('-DANT_CRASH_HAVE_LIBUNWIND', language: 'c')
60
+
endif
61
+
endif
62
+
54
63
deps_info = {
55
64
'lmdb': {
56
65
'dir': 'openldap-LMDB_0.9.33',
···
234
243
uriparser_dep, utf8proc_dep, ssl_dep, crypto_dep,
235
244
zlib_dep, brotli_common_dep, brotli_dec_dep,
236
245
brotli_enc_dep, uthash_dep, lmdb_dep, wamr_dep,
237
-
] + win_deps
246
+
] + win_deps + crash_deps
238
247
239
248
if get_option('jit')
240
249
mir_dep = subproject('mir').get_variable('mir_dep')
+34
-1
src/crash.c
+34
-1
src/crash.c
···
67
67
#include <sys/utsname.h>
68
68
#endif
69
69
70
-
#if defined(__APPLE__) || defined(__linux__) || defined(__GLIBC__)
70
+
#if defined(__APPLE__) || defined(__GLIBC__)
71
71
#define ANT_CRASH_HAVE_EXECINFO 1
72
72
#include <execinfo.h>
73
+
#endif
74
+
75
+
#ifdef ANT_CRASH_HAVE_LIBUNWIND
76
+
#define UNW_LOCAL_ONLY
77
+
#include <libunwind.h>
73
78
#endif
74
79
#endif
75
80
···
965
970
int skip = n > 1 ? 1 : 0;
966
971
for (int i = skip; i < n && frame_count < ANT_CRASH_FRAME_MAX; i++)
967
972
frames[frame_count++] = (uintptr_t)raw_frames[i];
973
+
#elif defined(ANT_CRASH_HAVE_LIBUNWIND)
974
+
unw_cursor_t cursor;
975
+
bool cursor_ready = false;
976
+
bool include_current_frame = false;
977
+
978
+
#ifdef UNW_INIT_SIGNAL_FRAME
979
+
if (ucontext && unw_init_local2(&cursor, (unw_context_t *)ucontext, UNW_INIT_SIGNAL_FRAME) == 0) {
980
+
cursor_ready = true;
981
+
include_current_frame = true;
982
+
}
983
+
#endif
984
+
985
+
unw_context_t context;
986
+
if (!cursor_ready && unw_getcontext(&context) == 0 && unw_init_local(&cursor, &context) == 0)
987
+
cursor_ready = true;
988
+
989
+
if (cursor_ready) {
990
+
if (include_current_frame) {
991
+
unw_word_t ip = 0;
992
+
if (unw_get_reg(&cursor, UNW_REG_IP, &ip) == 0 && ip)
993
+
frames[frame_count++] = (uintptr_t)ip;
994
+
}
995
+
while (frame_count < ANT_CRASH_FRAME_MAX && unw_step(&cursor) > 0) {
996
+
unw_word_t ip = 0;
997
+
if (unw_get_reg(&cursor, UNW_REG_IP, &ip) == 0 && ip)
998
+
frames[frame_count++] = (uintptr_t)ip;
999
+
}
1000
+
}
968
1001
#endif
969
1002
970
1003
uint64_t fault_addr = info ? (uint64_t)(uintptr_t)info->si_addr : 0;