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authorNick Alcock <nick.alcock@oracle.com>2019-06-19 12:23:38 +0100
committerNick Alcock <nick.alcock@oracle.com>2019-06-21 13:04:02 +0100
commit364620bf636a0a961892c9274616f8d5ad85eecc (patch)
treed00e35c62646748651fdcd3311ac4f112feed1c6 /libctf
parentlibctf: drop mmap()-based CTF data allocator (diff)
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libctf: dump header offsets into the debugging output
This is an essential first piece of info needed to debug both libctf writing and reading problems, and we weren't recording it anywhere! (This is a short-term fix: fairly soon, we will record all of this in a form that outlives ctf_bufopen, and then ctf_dump() will be able to dump it like it can everything else.) libctf/ * ctf-open.c (ctf_bufopen): Dump header offsets into the debugging output.
Diffstat (limited to 'libctf')
-rw-r--r--libctf/ChangeLog5
-rw-r--r--libctf/ctf-open.c3
2 files changed, 8 insertions, 0 deletions
diff --git a/libctf/ChangeLog b/libctf/ChangeLog
index 9fd9e6617a5..9ff7cd4146b 100644
--- a/libctf/ChangeLog
+++ b/libctf/ChangeLog
@@ -1,5 +1,10 @@
2019-06-19 Nick Alcock <nick.alcock@oracle.com>
+ * ctf-open.c (ctf_bufopen): Dump header offsets into the debugging
+ output.
+
+2019-06-19 Nick Alcock <nick.alcock@oracle.com>
+
* ctf-subr.c (_PAGESIZE): Remove.
(ctf_data_alloc): Likewise.
(ctf_data_free): Likewise.
diff --git a/libctf/ctf-open.c b/libctf/ctf-open.c
index b0d3ef62055..df735acb408 100644
--- a/libctf/ctf-open.c
+++ b/libctf/ctf-open.c
@@ -1275,6 +1275,9 @@ ctf_bufopen (const ctf_sect_t *ctfsect, const ctf_sect_t *symsect,
if (foreign_endian)
flip_header (&hp);
+ ctf_dprintf ("header offsets: %x/%x/%x/%x/%x/%x/%x\n",
+ hp.cth_lbloff, hp.cth_objtoff, hp.cth_funcoff, hp.cth_varoff,
+ hp.cth_typeoff, hp.cth_stroff, hp.cth_strlen);
hdrsz = sizeof (ctf_header_t);
size = hp.cth_stroff + hp.cth_strlen;