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2003-09-09 Andrew Cagney <cagney@redhat.com>

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* rs6000-tdep.c (rs6000_store_struct_return): Delete function.
	(rs6000_push_dummy_call): Store the struct return address.
	* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Ditto.
This commit is contained in:
Andrew Cagney 2003-09-09 20:22:37 +00:00
parent 77b2b6d460
commit 7a41266bbb
3 changed files with 31 additions and 19 deletions
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6
gdb/ChangeLog
View file

@ -1,3 +1,9 @@
2003-09-09 Andrew Cagney <cagney@redhat.com>
* rs6000-tdep.c (rs6000_store_struct_return): Delete function.
(rs6000_push_dummy_call): Store the struct return address.
* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Ditto.
2003-09-09 Andrew Cagney <cagney@redhat.com>
* ppc-tdep.h (ppc_sysv_abi_push_dummy_call): Replace

13
gdb/ppc-sysv-tdep.c
View file

@ -69,12 +69,23 @@ ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
CORE_ADDR saved_sp;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
greg = struct_return ? 4 : 3;
greg = 3;
freg = 1;
vreg = 2;
argstkspace = 0;
structstkspace = 0;
/* If the function is returning a `struct', then the first word
(which will be passed in r3) is used for struct return address.
In that case we should advance one word and start from r4
register to copy parameters. */
if (struct_return)
{
regcache_raw_write_signed (regcache, tdep->ppc_gp0_regnum + greg,
struct_addr);
greg++;
}
/* Figure out how much new stack space is required for arguments
which don't fit in registers. Unlike the PowerOpen ABI, the
SysV ABI doesn't reserve any extra space for parameters which

31
gdb/rs6000-tdep.c
View file

@ -1123,6 +1123,7 @@ rs6000_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int ii;
int len = 0;
int argno; /* current argument number */
@ -1137,14 +1138,19 @@ rs6000_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
CORE_ADDR saved_sp;
/* The first eight words of ther arguments are passed in registers.
Copy them appropriately.
Copy them appropriately. */
ii = 0;
If the function is returning a `struct', then the first word (which
will be passed in r3) is used for struct return address. In that
case we should advance one word and start from r4 register to copy
parameters. */
ii = struct_return ? 1 : 0;
/* If the function is returning a `struct', then the first word
(which will be passed in r3) is used for struct return address.
In that case we should advance one word and start from r4
register to copy parameters. */
if (struct_return)
{
regcache_raw_write_unsigned (regcache, tdep->ppc_gp0_regnum + 3,
struct_addr);
ii++;
}
/*
effectively indirect call... gcc does...
@ -2051,16 +2057,6 @@ rs6000_stab_reg_to_regnum (int num)
return regnum;
}
/* Store the address of the place in which to copy the structure the
subroutine will return. */
static void
rs6000_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
write_register (tdep->ppc_gp0_regnum + 3, addr);
}
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format. */
static void
@ -2973,7 +2969,6 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
else
set_gdbarch_push_dummy_call (gdbarch, rs6000_push_dummy_call);
set_gdbarch_deprecated_store_struct_return (gdbarch, rs6000_store_struct_return);
set_gdbarch_extract_struct_value_address (gdbarch, rs6000_extract_struct_value_address);
set_gdbarch_deprecated_pop_frame (gdbarch, rs6000_pop_frame);