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Differential D14633 Diff 41168 gnu/usr.bin/gdb/kgdb/trgt_i386.c

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gnu/usr.bin/gdb/kgdb/trgt_i386.c

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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__FBSDID("$FreeBSD$"); __FBSDID("$FreeBSD$");
#include <sys/param.h> #include <sys/param.h>
#include <sys/proc.h> #include <sys/proc.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/pcb.h> #include <machine/pcb.h>
alcUnsubmitted
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vm/pmap.h has always included machine/pmap.h.

alc: vm/pmap.h has always included machine/pmap.h.
#include <machine/frame.h> #include <machine/frame.h>
#include <machine/segments.h> #include <machine/segments.h>
#include <machine/tss.h> #include <machine/tss.h>
#include <err.h> #include <err.h>
#include <kvm.h> #include <kvm.h>
#include <string.h> #include <string.h>
#include <defs.h> #include <defs.h>
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}; };
static struct kgdb_frame_cache * static struct kgdb_frame_cache *
kgdb_trgt_frame_cache(struct frame_info *next_frame, void **this_cache) kgdb_trgt_frame_cache(struct frame_info *next_frame, void **this_cache)
{ {
char buf[MAX_REGISTER_SIZE]; char buf[MAX_REGISTER_SIZE];
struct kgdb_frame_cache *cache; struct kgdb_frame_cache *cache;
char *pname; char *pname;
CORE_ADDR pcx;
uintptr_t addr, setidt_disp;
cache = *this_cache; cache = *this_cache;
if (cache == NULL) { if (cache == NULL) {
cache = FRAME_OBSTACK_ZALLOC(struct kgdb_frame_cache); cache = FRAME_OBSTACK_ZALLOC(struct kgdb_frame_cache);
*this_cache = cache; *this_cache = cache;
cache->pc = frame_func_unwind(next_frame); pcx = frame_pc_unwind(next_frame);
if (pcx >= PMAP_TRM_MIN_ADDRESS) {
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#define?

emaste: `#define`?
addr = kgdb_lookup("setidt_disp");
if (addr != 0) {
if (kvm_read(kvm, addr, &setidt_disp,
sizeof(setidt_disp)) !=
sizeof(setidt_disp))
warnx("kvm_read: %s", kvm_geterr(kvm));
else
pcx -= setidt_disp;
}
}
cache->pc = pcx;
find_pc_partial_function(cache->pc, &pname, NULL, NULL); find_pc_partial_function(cache->pc, &pname, NULL, NULL);
if (pname[0] != 'X') if (pname[0] != 'X')
cache->frame_type = FT_NORMAL; cache->frame_type = FT_NORMAL;
else if (strcmp(pname, "Xtimerint") == 0) else if (strcmp(pname, "Xtimerint") == 0)
cache->frame_type = FT_TIMERFRAME; cache->frame_type = FT_TIMERFRAME;
else if (strcmp(pname, "Xcpustop") == 0 || else if (strcmp(pname, "Xcpustop") == 0 ||
strcmp(pname, "Xrendezvous") == 0 || strcmp(pname, "Xrendezvous") == 0 ||
strcmp(pname, "Xipi_intr_bitmap_handler") == 0 || strcmp(pname, "Xipi_intr_bitmap_handler") == 0 ||
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const struct frame_unwind * const struct frame_unwind *
kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame) kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame)
{ {
char *pname; char *pname;
CORE_ADDR pc; CORE_ADDR pc;
pc = frame_pc_unwind(next_frame); pc = frame_pc_unwind(next_frame);
if (pc >= PMAP_TRM_MIN_ADDRESS)
return (&kgdb_trgt_trapframe_unwind);
pname = NULL; pname = NULL;
find_pc_partial_function(pc, &pname, NULL, NULL); find_pc_partial_function(pc, &pname, NULL, NULL);
if (pname == NULL) if (pname == NULL)
return (NULL); return (NULL);
if (strcmp(pname, "dblfault_handler") == 0) if (strcmp(pname, "dblfault_handler") == 0)
return (&kgdb_trgt_dblfault_unwind); return (&kgdb_trgt_dblfault_unwind);
if (strcmp(pname, "calltrap") == 0 || if (strcmp(pname, "calltrap") == 0 ||
(pname[0] == 'X' && pname[1] != '_')) (pname[0] == 'X' && pname[1] != '_'))
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