diff options
Diffstat (limited to 'gdb/gdbserver/linux-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-low.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c index 2bc619a..01d0e84 100644 --- a/gdb/gdbserver/linux-low.c +++ b/gdb/gdbserver/linux-low.c @@ -5705,7 +5705,7 @@ linux_qxfer_libraries_svr4 (const char *annex, unsigned char *readbuf, #ifdef HAVE_LINUX_BTRACE -/* Enable branch tracing. */ +/* See to_enable_btrace target method. */ static struct btrace_target_info * linux_low_enable_btrace (ptid_t ptid) @@ -5725,17 +5725,39 @@ linux_low_enable_btrace (ptid_t ptid) return tinfo; } -/* Read branch trace data as btrace xml document. */ +/* See to_disable_btrace target method. */ -static void +static int +linux_low_disable_btrace (struct btrace_target_info *tinfo) +{ + enum btrace_error err; + + err = linux_disable_btrace (tinfo); + return (err == BTRACE_ERR_NONE ? 0 : -1); +} + +/* See to_read_btrace target method. */ + +static int linux_low_read_btrace (struct btrace_target_info *tinfo, struct buffer *buffer, int type) { VEC (btrace_block_s) *btrace; struct btrace_block *block; + enum btrace_error err; int i; - btrace = linux_read_btrace (tinfo, type); + btrace = NULL; + err = linux_read_btrace (&btrace, tinfo, type); + if (err != BTRACE_ERR_NONE) + { + if (err == BTRACE_ERR_OVERFLOW) + buffer_grow_str0 (buffer, "E.Overflow."); + else + buffer_grow_str0 (buffer, "E.Generic Error."); + + return -1; + } buffer_grow_str (buffer, "<!DOCTYPE btrace SYSTEM \"btrace.dtd\">\n"); buffer_grow_str (buffer, "<btrace version=\"1.0\">\n"); @@ -5744,9 +5766,11 @@ linux_low_read_btrace (struct btrace_target_info *tinfo, struct buffer *buffer, buffer_xml_printf (buffer, "<block begin=\"0x%s\" end=\"0x%s\"/>\n", paddress (block->begin), paddress (block->end)); - buffer_grow_str (buffer, "</btrace>\n"); + buffer_grow_str0 (buffer, "</btrace>\n"); VEC_free (btrace_block_s, btrace); + + return 0; } #endif /* HAVE_LINUX_BTRACE */ @@ -5819,7 +5843,7 @@ static struct target_ops linux_target_ops = { #ifdef HAVE_LINUX_BTRACE linux_supports_btrace, linux_low_enable_btrace, - linux_disable_btrace, + linux_low_disable_btrace, linux_low_read_btrace, #else NULL, |