diff options
| author | Mitchell Horne <mhorne@FreeBSD.org> | 2022-10-02 22:46:00 +0000 |
|---|---|---|
| committer | Mitchell Horne <mhorne@FreeBSD.org> | 2022-10-03 16:49:54 +0000 |
| commit | 754cb545b68ba0a1643792763d000018ffe2afec (patch) | |
| tree | e91986a1e288cc89563e1785273bb92570229599 /sys/ddb | |
| parent | e571b0f8f8c1730330fb656d54f081beb993c962 (diff) | |
Diffstat (limited to 'sys/ddb')
| -rw-r--r-- | sys/ddb/db_sym.c | 24 | ||||
| -rw-r--r-- | sys/ddb/db_sym.h | 2 |
2 files changed, 25 insertions, 1 deletions
diff --git a/sys/ddb/db_sym.c b/sys/ddb/db_sym.c index 0c3a8963baae..3fdf80a76ae6 100644 --- a/sys/ddb/db_sym.c +++ b/sys/ddb/db_sym.c @@ -38,7 +38,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/pcpu.h> #include <sys/smp.h> -#include <sys/systm.h> +#include <sys/sysent.h> #include <net/vnet.h> @@ -481,3 +481,25 @@ db_sym_numargs(c_db_sym_t sym, int *nargp, char **argnames) { return (X_db_sym_numargs(db_last_symtab, sym, nargp, argnames)); } + +void +db_decode_syscall(int number, struct thread *td) +{ + struct proc *p; + c_db_sym_t sym; + db_expr_t diff; + sy_call_t *f; + const char *symname; + + db_printf(" (%d", number); + p = (td != NULL) ? td->td_proc : NULL; + if (p != NULL && 0 <= number && number < p->p_sysent->sv_size) { + f = p->p_sysent->sv_table[number].sy_call; + sym = db_search_symbol((db_addr_t)f, DB_STGY_ANY, &diff); + if (sym != DB_SYM_NULL && diff == 0) { + db_symbol_values(sym, &symname, NULL); + db_printf(", %s, %s", p->p_sysent->sv_name, symname); + } + } + db_printf(")"); +} diff --git a/sys/ddb/db_sym.h b/sys/ddb/db_sym.h index 1ad35e2b0c85..7ad7fb71f970 100644 --- a/sys/ddb/db_sym.h +++ b/sys/ddb/db_sym.h @@ -105,4 +105,6 @@ bool X_db_sym_numargs(db_symtab_t *, c_db_sym_t, int *, char **); void X_db_symbol_values(db_symtab_t *symtab, c_db_sym_t sym, const char **namep, db_expr_t *valuep); +void db_decode_syscall(int number, struct thread *td); + #endif /* !_DDB_DB_SYM_H_ */ |