diff options
Diffstat (limited to 'gnu')
-rw-r--r-- | gnu/usr.bin/gdb/kgdb/kthr.c | 12 | ||||
-rw-r--r-- | gnu/usr.bin/gdb/kgdb/trgt_i386.c | 4 |
2 files changed, 10 insertions, 6 deletions
diff --git a/gnu/usr.bin/gdb/kgdb/kthr.c b/gnu/usr.bin/gdb/kgdb/kthr.c index c11451573806..4c51c0eb27a4 100644 --- a/gnu/usr.bin/gdb/kgdb/kthr.c +++ b/gnu/usr.bin/gdb/kgdb/kthr.c @@ -60,10 +60,8 @@ kgdb_lookup(const char *sym) nl[0].n_name = (char *)(uintptr_t)sym; nl[1].n_name = NULL; - if (kvm_nlist(kvm, nl) != 0) { - warnx("kvm_nlist(%s): %s", sym, kvm_geterr(kvm)); + if (kvm_nlist(kvm, nl) != 0) return (0); - } return (nl[0].n_value); } @@ -82,13 +80,17 @@ kgdb_thr_init(void) uintptr_t addr, paddr; addr = kgdb_lookup("_allproc"); - if (addr == 0) + if (addr == 0) { + warnx("kvm_nlist(_allproc): %s", kvm_geterr(kvm)); return (NULL); + } kvm_read(kvm, addr, &paddr, sizeof(paddr)); dumppcb = kgdb_lookup("_dumppcb"); - if (dumppcb == 0) + if (dumppcb == 0) { + warnx("kvm_nlist(_dumppcb): %s", kvm_geterr(kvm)); return (NULL); + } addr = kgdb_lookup("_dumptid"); if (addr != 0) diff --git a/gnu/usr.bin/gdb/kgdb/trgt_i386.c b/gnu/usr.bin/gdb/kgdb/trgt_i386.c index c3581b5e9f51..de15a63cef96 100644 --- a/gnu/usr.bin/gdb/kgdb/trgt_i386.c +++ b/gnu/usr.bin/gdb/kgdb/trgt_i386.c @@ -141,8 +141,10 @@ kgdb_trgt_fetch_tss(void) */ if (trunc_page(tss) == 0xffc00000) { addr = kgdb_lookup("_cpu0prvpage"); - if (addr == 0) + if (addr == 0) { + warnx("kvm_nlist(_cpu0prvpage): %s", kvm_geterr(kvm)); return (0); + } if (kvm_read(kvm, addr, &cpu0prvpage, sizeof(cpu0prvpage)) != sizeof(cpu0prvpage)) { warnx("kvm_read: %s", kvm_geterr(kvm)); |