From bdef72d222b9c87a023d511388125c187f74c683 Mon Sep 17 00:00:00 2001 From: Jim Kingdon Date: Wed, 22 Sep 1993 19:31:42 +0000 Subject: [PATCH] * mips-tdep.c (mips_frame_chain): If PROC_FRAME_OFFSET is zero, then return zero. --- gdb/ChangeLog | 6 ++++++ gdb/mips-tdep.c | 14 +++++++++++--- 2 files changed, 17 insertions(+), 3 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 6d71aa389d..235330fd25 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ Wed Sep 22 10:28:06 1993 Jim Kingdon (kingdon@lioth.cygnus.com) + * breakpoint.c (bpstat_what): Initialize retval.call_dummy and + retval.step_resume. + + * mips-tdep.c (mips_frame_chain): If PROC_FRAME_OFFSET is zero, + then return zero. + * remote-nindy.c: Declare ninMemGet and ninMemPut. Wed Sep 22 08:02:57 1993 Stu Grossman (grossman at cygnus.com) diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index d2d712aff7..3ed7c4bd4a 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -341,8 +341,13 @@ mips_frame_chain(frame) return 0; cached_proc_desc = proc_desc; - return read_next_frame_reg(frame, PROC_FRAME_REG(proc_desc)) - + PROC_FRAME_OFFSET(proc_desc); + /* If frame size is zero, we must be at end of stack (or otherwise hosed). + If we don't check frame size, we loop forever if we see it == 0. */ + if (PROC_FRAME_OFFSET (proc_desc) == 0) + return 0; + else + return read_next_frame_reg(frame, PROC_FRAME_REG(proc_desc)) + + PROC_FRAME_OFFSET(proc_desc); } void @@ -943,7 +948,10 @@ Turn off to avoid using floating point instructions when calling functions\n\ or dealing with return values.", &setlist), &showlist); - c = add_set_cmd ("heuristic-fence-post", class_support, var_uinteger, + /* We really would like to have both "0" and "unlimited" work, but + command.c doesn't deal with that. So make it a var_zinteger + because the user can always use "999999" or some such for unlimited. */ + c = add_set_cmd ("heuristic-fence-post", class_support, var_zinteger, (char *) &heuristic_fence_post, "\ Set the distance searched for the start of a function.\n\ -- 2.34.1