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* gdbarch.sh: Document the return_value method. Explain that

Browse Source 
the FUNCTYPE parameter might be NULL.
        * gdbarch.h: Regenerated.
        * sparc-tdep.c (sparc32_push_dummy_code): Do not pass the function
        type when calling using_struct_return, as this is unnecessary
        on this target.
This commit is contained in:
Joel Brobecker 2008-04-29 16:06:07 +00:00
parent 266b05cf76
commit ea42b34a37
4 changed files with 30 additions and 9 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2008-04-29 Joel Brobecker <brobecker@adacore.com>
* gdbarch.sh: Document the return_value method. Explain that
the FUNCTYPE parameter might be NULL.
* gdbarch.h: Regenerated.
* sparc-tdep.c (sparc32_push_dummy_code): Do not pass the function
type when calling using_struct_return, as this is unnecessary
on this target.
2008-04-28 Joel Brobecker <brobecker@adacore.com>
* terminal.h (create_tty_session): Fix return type.

13
gdb/gdbarch.h
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@ -360,9 +360,16 @@ typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, s
extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
/* It has been suggested that this, well actually its predecessor,
should take the type/value of the function to be called and not the
return type. This is left as an exercise for the reader. */
/* Return the return-value convention that will be used by FUNCTYPE
to return a value of type VALTYPE. FUNCTYPE may be NULL in which
case the return convention is computed based only on VALTYPE.
If READBUF is not NULL, extract the return value and save it in this buffer.
If WRITEBUF is not NULL, it contains a return value which will be
stored into the appropriate register. This can be used when we want
to force the value returned by a function (see the "return" command
for instance). */
extern int gdbarch_return_value_p (struct gdbarch *gdbarch);

14
gdb/gdbarch.sh
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@ -470,10 +470,16 @@ f:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf:
f:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0
M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf
# It has been suggested that this, well actually its predecessor,
# should take the type/value of the function to be called and not the
# return type. This is left as an exercise for the reader.
# Return the return-value convention that will be used by FUNCTYPE
# to return a value of type VALTYPE. FUNCTYPE may be NULL in which
# case the return convention is computed based only on VALTYPE.
#
# If READBUF is not NULL, extract the return value and save it in this buffer.
#
# If WRITEBUF is not NULL, it contains a return value which will be
# stored into the appropriate register. This can be used when we want
# to force the value returned by a function (see the "return" command
# for instance).
M:enum return_value_convention:return_value:struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:functype, valtype, regcache, readbuf, writebuf
m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0

3
gdb/sparc-tdep.c
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@ -388,8 +388,7 @@ sparc32_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp,
*bp_addr = sp - 4;
*real_pc = funcaddr;
if (using_struct_return (SYMBOL_TYPE (find_pc_function (funcaddr)),
value_type))
if (using_struct_return (NULL, value_type))
{
gdb_byte buf[4];