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2001-12-04 Jackie Smith Cashion <jsmith@redhat.com>

Browse source 
* MAINTAINERS (write-after-approval): Add self.

	* d10v-tdep.c (d10v_gdbarch_init): Change size of long long to 8 bytes.

	From Andrew Cagney  <cagney@redhat.com>:
        * d10v-tdep.c (d10v_frame_chain_valid): Check if the caller's PC
        is in the entry function.
        (d10v_use_struct_convention): Store multi-field struct and union
        return values on the stack.
This commit is contained in:
Jackie Smith Cashion 2001-12-05 02:05:04 +00:00
parent 7666f43c32
commit 02da620696
3 changed files with 42 additions and 3 deletions
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12
gdb/ChangeLog
View file

@ -1,3 +1,15 @@
2001-12-04 Jackie Smith Cashion <jsmith@redhat.com>
* MAINTAINERS (write-after-approval): Add self.
* d10v-tdep.c (d10v_gdbarch_init): Change size of long long to 8 bytes.
From Andrew Cagney <cagney@redhat.com>:
* d10v-tdep.c (d10v_frame_chain_valid): Check if the caller's PC
is in the entry function.
(d10v_use_struct_convention): Store multi-field struct and union
return values on the stack.
2001-12-04 Jim Blandy <jimb@redhat.com>
* s390-tdep.c (s390_get_frame_info): Recognize spills of reg

1
gdb/MAINTAINERS
View file

@ -349,6 +349,7 @@ Keith Seitz keiths@redhat.com
Jiri Smid smid@suse.cz
David Smith dsmith@redhat.com
Stephen P. Smith ischis2@home.com
Jackie Smith Cashion jsmith@redhat.com
Gary Thomas gthomas@redhat.com
Tom Tromey tromey@redhat.com
Corinna Vinschen vinschen@redhat.com

32
gdb/d10v-tdep.c
View file

@ -103,7 +103,9 @@ static void do_d10v_pop_frame (struct frame_info *fi);
static int
d10v_frame_chain_valid (CORE_ADDR chain, struct frame_info *frame)
{
return ((chain) != 0 && (frame) != 0 && (frame)->pc > IMEM_START);
return ((chain) != 0 && (frame) != 0
&& (frame)->pc > IMEM_START
&& !inside_entry_file (FRAME_SAVED_PC (frame)));
}
static CORE_ADDR
@ -122,7 +124,31 @@ d10v_stack_align (CORE_ADDR len)
static int
d10v_use_struct_convention (int gcc_p, struct type *type)
{
return (TYPE_LENGTH (type) > 8);
long alignment;
int i;
/* The d10v only passes a struct in a register when that structure
has an alignment that matches the size of a register. */
/* If the structure doesn't fit in 4 registers, put it on the
stack. */
if (TYPE_LENGTH (type) > 8)
return 1;
/* If the struct contains only one field, don't put it on the stack
- gcc can fit it in one or more registers. */
if (TYPE_NFIELDS (type) == 1)
return 0;
alignment = TYPE_LENGTH (TYPE_FIELD_TYPE (type, 0));
for (i = 1; i < TYPE_NFIELDS (type); i++)
{
/* If the alignment changes, just assume it goes on the
stack. */
if (TYPE_LENGTH (TYPE_FIELD_TYPE (type, i)) != alignment)
return 1;
}
/* If the alignment is suitable for the d10v's 16 bit registers,
don't put it on the stack. */
if (alignment == 2 || alignment == 4)
return 0;
return 1;
}
@ -1498,7 +1524,7 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_int_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
/* NOTE: The d10v as a 32 bit ``float'' and ``double''. ``long
double'' is 64 bits. */
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);