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libctf: debug dumping

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This introduces ctf_dump(), an iterator which returns a series of
strings, each representing a debugging dump of one item from a given
section in the CTF file.  The items may be multiline: a callback is
provided to allow the caller to decorate each line as they desire before
the line is returned.

libctf/
	* ctf-dump.c: New.

include/
	* ctf-api.h (ctf_dump_decorate_f): New.
	(ctf_dump_state_t): new.
	(ctf_dump): New.
This commit is contained in:
Nick Alcock 2019-04-24 11:41:00 +01:00
parent 6dbf2b7340
commit a30b3e182a
4 changed files with 612 additions and 0 deletions
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7
include/ctf-api.h
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@ -218,6 +218,10 @@ typedef int ctf_label_f (const char *name, const ctf_lblinfo_t *info,
typedef int ctf_archive_member_f (ctf_file_t *fp, const char *name, void *arg);
typedef int ctf_archive_raw_member_f (const char *name, const void *content,
size_t len, void *arg);
typedef char *ctf_dump_decorate_f (ctf_sect_names_t sect,
char *line, void *arg);
typedef struct ctf_dump_state ctf_dump_state_t;
/* Opening. These mostly return an abstraction over both CTF files and CTF
archives: so they can be used to open both. CTF files will appear to be an
@ -320,6 +324,9 @@ extern int ctf_archive_iter (const ctf_archive_t *, ctf_archive_member_f *,
to deal with non-archives at all. */
extern int ctf_archive_raw_iter (const ctf_archive_t *,
ctf_archive_raw_member_f *, void *);
extern char *ctf_dump (ctf_file_t *, ctf_dump_state_t **state,
ctf_sect_names_t sect, ctf_dump_decorate_f *,
void *arg);
extern ctf_id_t ctf_add_array (ctf_file_t *, uint32_t,
const ctf_arinfo_t *);