svn commit: r236308 - head/sys/arm/arm

[Grzegorz Bernacki]

Author: gber
Date: Wed May 30 13:33:27 2012
New Revision: 236308
URL: http://svn.freebsd.org/changeset/base/236308

Log:
  Print userspace backtrace for current thread.
  
  Reviewed by:  imp
  Obtained from:        Semihalf

Modified:
  head/sys/arm/arm/db_trace.c

Modified: head/sys/arm/arm/db_trace.c
==============================================================================
--- head/sys/arm/arm/db_trace.c Wed May 30 13:31:08 2012        (r236307)
+++ head/sys/arm/arm/db_trace.c Wed May 30 13:33:27 2012        (r236308)
@@ -79,14 +79,13 @@ __FBSDID("$FreeBSD$");
  */
 
 static void
-db_stack_trace_cmd(db_expr_t addr, db_expr_t count)
+db_stack_trace_cmd(db_expr_t addr, db_expr_t count, boolean_t kernel_only)
 {
        u_int32_t       *frame, *lastframe;
        c_db_sym_t sym;
        const char *name;
        db_expr_t value;
        db_expr_t offset;
-       boolean_t       kernel_only = TRUE;
        int     scp_offset;
 
        frame = (u_int32_t *)addr;
@@ -196,8 +195,11 @@ db_trace_thread(struct thread *thr, int 
 {
        struct pcb *ctx;
 
-       ctx = kdb_thr_ctx(thr);
-       db_stack_trace_cmd(ctx->un_32.pcb32_r11, -1);
+       if (thr != curthread) {
+               ctx = kdb_thr_ctx(thr);
+               db_stack_trace_cmd(ctx->un_32.pcb32_r11, -1, TRUE);
+       } else
+               db_trace_self();
        return (0);
 }
 
@@ -207,5 +209,5 @@ db_trace_self(void)
        db_addr_t addr;
 
        addr = (db_addr_t)__builtin_frame_address(0);
-       db_stack_trace_cmd(addr, -1);
+       db_stack_trace_cmd(addr, -1, FALSE);
 }
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