diff options
Diffstat (limited to 'lib/libproc/proc_sym.c')
| -rw-r--r-- | lib/libproc/proc_sym.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/lib/libproc/proc_sym.c b/lib/libproc/proc_sym.c index f5301e6..d570215 100644 --- a/lib/libproc/proc_sym.c +++ b/lib/libproc/proc_sym.c @@ -32,6 +32,10 @@ __FBSDID("$FreeBSD$"); #include <sys/types.h> +#ifndef NO_CTF +#include <sys/ctf.h> +#include <sys/ctf_api.h> +#endif #include <sys/user.h> #include <assert.h> @@ -42,10 +46,17 @@ __FBSDID("$FreeBSD$"); #include <stdlib.h> #include <string.h> #include <unistd.h> +#ifndef NO_CTF +#include <libctf.h> +#endif #include <libutil.h> #include "_libproc.h" +#ifdef NO_CTF +typedef struct ctf_file ctf_file_t; +#endif + #ifndef NO_CXA_DEMANGLE extern char *__cxa_demangle(const char *, char *, size_t *, int *); #endif /* NO_CXA_DEMANGLE */ @@ -389,7 +400,7 @@ proc_name2map(struct proc_handle *p, const char *name) */ static int lookup_name(Elf *e, Elf_Scn *scn, u_long stridx, const char *symbol, - GElf_Sym *symcopy) + GElf_Sym *symcopy, prsyminfo_t *si) { GElf_Sym sym; Elf_Data *data; @@ -404,6 +415,8 @@ lookup_name(Elf *e, Elf_Scn *scn, u_long stridx, const char *symbol, s = elf_strptr(e, stridx, sym.st_name); if (s != NULL && strcmp(s, symbol) == 0) { memcpy(symcopy, &sym, sizeof(*symcopy)); + if (si != NULL) + si->prs_id = i; return (0); } } @@ -412,7 +425,7 @@ lookup_name(Elf *e, Elf_Scn *scn, u_long stridx, const char *symbol, int proc_name2sym(struct proc_handle *p, const char *object, const char *symbol, - GElf_Sym *symcopy) + GElf_Sym *symcopy, prsyminfo_t *si) { Elf *e; Elf_Scn *scn, *dynsymscn = NULL, *symtabscn = NULL; @@ -462,11 +475,11 @@ proc_name2sym(struct proc_handle *p, const char *object, const char *symbol, * First look up the symbol in the dynsymtab, and fall back to the * symtab if the lookup fails. */ - error = lookup_name(e, dynsymscn, dynsymstridx, symbol, symcopy); + error = lookup_name(e, dynsymscn, dynsymstridx, symbol, symcopy, si); if (error == 0) goto out; - error = lookup_name(e, symtabscn, symtabstridx, symbol, symcopy); + error = lookup_name(e, symtabscn, symtabstridx, symbol, symcopy, si); if (error == 0) goto out; @@ -484,6 +497,26 @@ err0: return (error); } +ctf_file_t * +proc_name2ctf(struct proc_handle *p, const char *name) +{ +#ifndef NO_CTF + prmap_t *map; + int error; + + if ((map = proc_name2map(p, name)) == NULL) { + DPRINTFX("ERROR: couldn't find object %s", object); + return (NULL); + } + + return (ctf_open(map->pr_mapname, &error)); +#else + (void)p; + (void)name; + return (NULL); +#endif +} + int proc_iter_symbyaddr(struct proc_handle *p, const char *object, int which, int mask, proc_sym_f *func, void *cd) |
