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include, libctf, binutils: drop labels

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These have never been implemented properly and don't work with the linker or
deduplicator: BTF has nothing like them, so the default assumption should be
that we drop them.  If we need something like them in future, we can add
them back (which we do not expect).

Quite a bit of label detritus is left in libctf after this: it's tied up
with later changes so will be removed as part of later commits.  (Because
the entire thing is disabled, the non-compilability of this intermediate
state is not a concern.)
This commit is contained in:
Nick Alcock
2025-04-24 13:32:57 +01:00
parent de5a31a8ca
commit e0490fbc73
8 changed files with 28 additions and 216 deletions
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16
include/ctf-api.h
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@@ -124,7 +124,6 @@ typedef struct ctf_link_sym
typedef enum ctf_sect_names
{
CTF_SECT_HEADER,
CTF_SECT_LABEL,
CTF_SECT_OBJT,
CTF_SECT_OBJTIDX = CTF_SECT_OBJT,
CTF_SECT_FUNC,
@@ -165,11 +164,6 @@ typedef struct ctf_funcinfo
uint32_t ctc_flags; /* Function attributes (see below). */
} ctf_funcinfo_t;
typedef struct ctf_lblinfo
{
ctf_id_t ctb_type; /* Last type associated with the label. */
} ctf_lblinfo_t;
typedef struct ctf_snapshot_id
{
unsigned long dtd_id; /* Highest DTD ID at time of snapshot. */
@@ -221,8 +215,6 @@ typedef struct ctf_snapshot_id
_CTF_ITEM (ECTF_NOFUNCDAT, "No function information available for function.") \
_CTF_ITEM (ECTF_NOTDATA, "Symbol table entry does not refer to a data object.") \
_CTF_ITEM (ECTF_NOTYPEDAT, "No type information available for symbol.") \
_CTF_ITEM (ECTF_NOLABEL, "No label found corresponding to name.") \
_CTF_ITEM (ECTF_NOLABELDATA, "File does not contain any labels.") \
_CTF_ITEM (ECTF_NOTSUP, "Feature not supported.") \
_CTF_ITEM (ECTF_NOENUMNAM, "Enumerator name not found.") \
_CTF_ITEM (ECTF_NOMEMBNAM, "Member name not found.") \
@@ -310,7 +302,6 @@ typedef int ctf_enum_f (const char *name, int val, void *arg);
typedef int ctf_variable_f (const char *name, ctf_id_t type, void *arg);
typedef int ctf_type_f (ctf_id_t type, void *arg);
typedef int ctf_type_all_f (ctf_id_t type, int flag, void *arg);
typedef int ctf_label_f (const char *name, const ctf_lblinfo_t *info,
void *arg);
typedef int ctf_archive_member_f (ctf_dict_t *fp, const char *name, void *arg);
typedef int ctf_archive_raw_member_f (const char *name, const void *content,
@@ -1025,13 +1016,6 @@ extern ctf_dict_t *ctf_arc_open_by_name_sections (const ctf_archive_t *arc,
extern int ctf_gzwrite (ctf_dict_t *fp, gzFile fd);
/* Deprecated functions with no current use. */
extern const char *ctf_label_topmost (ctf_dict_t *);
extern int ctf_label_info (ctf_dict_t *, const char *, ctf_lblinfo_t *);
extern int ctf_label_iter (ctf_dict_t *, ctf_label_f *, void *);
extern int ctf_label_next (ctf_dict_t *, ctf_next_t **, const char **); /* TBD */
#ifdef __cplusplus
}
#endif