diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 18 | ||||
| -rw-r--r-- | include/ctf-api.h | 39 |
2 files changed, 55 insertions, 2 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index ddc5667..6980ec2 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,5 +1,23 @@ 2019-07-13 Nick Alcock <nick.alcock@oracle.com> + * ctf-api.h (struct ctf_link_sym): New, a symbol in flight to the + libctf linking machinery. + (CTF_LINK_SHARE_UNCONFLICTED): New. + (CTF_LINK_SHARE_DUPLICATED): New. + (ECTF_LINKADDEDLATE): New, replacing ECTF_UNUSED. + (ECTF_NOTYET): New, a 'not yet implemented' message. + (ctf_link_add_ctf): New, add an input file's CTF to the link. + (ctf_link): New, merge the type and string sections. + (ctf_link_strtab_string_f): New, callback for feeding strtab info. + (ctf_link_iter_symbol_f): New, callback for feeding symtab info. + (ctf_link_add_strtab): New, tell the CTF linker about the ELF + strtab's strings. + (ctf_link_shuffle_syms): New, ask the CTF linker to shuffle its + symbols into symtab order. + (ctf_link_write): New, ask the CTF linker to write the CTF out. + +2019-07-13 Nick Alcock <nick.alcock@oracle.com> + * ctf-api.h (ctf_arc_write_fd): New. (ctf_write_mem): Likewise. (ctf_gzwrite): Spacing fix. diff --git a/include/ctf-api.h b/include/ctf-api.h index 2bee08b..e4c6f9f 100644 --- a/include/ctf-api.h +++ b/include/ctf-api.h @@ -65,6 +65,28 @@ typedef struct ctf_sect size_t cts_entsize; /* Size of each section entry (symtab only). */ } ctf_sect_t; +/* A minimal symbol extracted from a linker's internal symbol table + representation. */ + +typedef struct ctf_link_sym +{ + /* The st_name will not be accessed outside the call to + ctf_link_shuffle_syms(). */ + + const char *st_name; + uint32_t st_shndx; + uint32_t st_type; + uint32_t st_value; +} ctf_link_sym_t; + +/* Indication of how to share types when linking. */ + +/* Share all types thare are not in conflict. The default. */ +#define CTF_LINK_SHARE_UNCONFLICTED 0x0 + +/* Share only types that are used by multiple inputs. Not implemented yet. */ +#define CTF_LINK_SHARE_DUPLICATED 0x1 + /* Symbolic names for CTF sections. */ typedef enum ctf_sect_names @@ -145,7 +167,7 @@ enum ECTF_NOSYMTAB, /* Symbol table data is not available. */ ECTF_NOPARENT, /* Parent CTF container is not available. */ ECTF_DMODEL, /* Data model mismatch. */ - ECTF_UNUSED, /* Unused error. */ + ECTF_LINKADDEDLATE, /* File added to link too late. */ ECTF_ZALLOC, /* Failed to allocate (de)compression buffer. */ ECTF_DECOMPRESS, /* Failed to decompress CTF data. */ ECTF_STRTAB, /* String table for this string is missing. */ @@ -180,7 +202,8 @@ enum ECTF_ARNNAME, /* Name not found in CTF archive. */ ECTF_SLICEOVERFLOW, /* Overflow of type bitness or offset in slice. */ ECTF_DUMPSECTUNKNOWN, /* Unknown section number in dump. */ - ECTF_DUMPSECTCHANGED /* Section changed in middle of dump. */ + ECTF_DUMPSECTCHANGED, /* Section changed in middle of dump. */ + ECTF_NOTYET /* Feature not yet implemented. */ }; /* The CTF data model is inferred to be the caller's data model or the data @@ -385,6 +408,18 @@ extern int ctf_gzwrite (ctf_file_t *fp, gzFile fd); extern int ctf_compress_write (ctf_file_t * fp, int fd); extern unsigned char *ctf_write_mem (ctf_file_t *, size_t *, size_t threshold); +extern int ctf_link_add_ctf (ctf_file_t *, ctf_archive_t *, const char *); +extern int ctf_link (ctf_file_t *, int share_mode); +typedef const char *ctf_link_strtab_string_f (uint32_t *offset, void *arg); +extern int ctf_link_add_strtab (ctf_file_t *, ctf_link_strtab_string_f *, + void *); +typedef ctf_link_sym_t *ctf_link_iter_symbol_f (ctf_link_sym_t *dest, + void *arg); +extern int ctf_link_shuffle_syms (ctf_file_t *, ctf_link_iter_symbol_f *, + void *); +extern unsigned char *ctf_link_write (ctf_file_t *, size_t *size, + size_t threshold); + extern void ctf_setdebug (int debug); extern int ctf_getdebug (void); |