diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/log.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/util/log.c b/util/log.c index 4e69586a73..671b6174e4 100644 --- a/util/log.c +++ b/util/log.c @@ -20,12 +20,16 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/log.h" +#include "qemu/range.h" +#include "qemu/error-report.h" +#include "qemu/cutils.h" #include "trace/control.h" static char *logfilename; FILE *qemu_logfile; int qemu_loglevel; static int log_append = 0; +static GArray *debug_regions; void qemu_log(const char *fmt, ...) { @@ -94,6 +98,89 @@ void qemu_set_log_filename(const char *filename) qemu_set_log(qemu_loglevel); } +/* Returns true if addr is in our debug filter or no filter defined + */ +bool qemu_log_in_addr_range(uint64_t addr) +{ + if (debug_regions) { + int i = 0; + for (i = 0; i < debug_regions->len; i++) { + struct Range *range = &g_array_index(debug_regions, Range, i); + if (addr >= range->begin && addr <= range->end) { + return true; + } + } + return false; + } else { + return true; + } +} + + +void qemu_set_dfilter_ranges(const char *filter_spec) +{ + gchar **ranges = g_strsplit(filter_spec, ",", 0); + if (ranges) { + gchar **next = ranges; + gchar *r = *next++; + debug_regions = g_array_sized_new(FALSE, FALSE, + sizeof(Range), g_strv_length(ranges)); + while (r) { + char *range_op = strstr(r, "-"); + char *r2 = range_op ? range_op + 1 : NULL; + if (!range_op) { + range_op = strstr(r, "+"); + r2 = range_op ? range_op + 1 : NULL; + } + if (!range_op) { + range_op = strstr(r, ".."); + r2 = range_op ? range_op + 2 : NULL; + } + if (range_op) { + const char *e = NULL; + uint64_t r1val, r2val; + + if ((qemu_strtoull(r, &e, 0, &r1val) == 0) && + (qemu_strtoull(r2, NULL, 0, &r2val) == 0) && + r2val > 0) { + struct Range range; + + g_assert(e == range_op); + + switch (*range_op) { + case '+': + { + range.begin = r1val; + range.end = r1val + (r2val - 1); + break; + } + case '-': + { + range.end = r1val; + range.begin = r1val - (r2val - 1); + break; + } + case '.': + range.begin = r1val; + range.end = r2val; + break; + default: + g_assert_not_reached(); + } + g_array_append_val(debug_regions, range); + + } else { + g_error("Failed to parse range in: %s", r); + } + } else { + g_error("Bad range specifier in: %s", r); + } + r = *next++; + } + g_strfreev(ranges); + } +} + const QEMULogItem qemu_log_items[] = { { CPU_LOG_TB_OUT_ASM, "out_asm", "show generated host assembly code for each compiled TB" }, |