From 1cd3b163341985681e4f36ba3f9b1b8456d9609d Mon Sep 17 00:00:00 2001 From: David Edelsohn Date: Sat, 4 Mar 1995 01:35:34 +0000 Subject: [PATCH] * sparc/tm-sp64.h (USE_STRUCT_CONVENTION): Define. (EXTRACT_STRUCT_VALUE_ADDRESS): Delete. --- gdb/config/sparc/tm-sp64.h | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/gdb/config/sparc/tm-sp64.h b/gdb/config/sparc/tm-sp64.h index f83c2c1b6b0..9be6b83a848 100644 --- a/gdb/config/sparc/tm-sp64.h +++ b/gdb/config/sparc/tm-sp64.h @@ -212,6 +212,22 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #undef TARGET_PTR_BIT #define TARGET_PTR_BIT 64 +/* Does the specified function use the "struct returning" convention + or the "value returning" convention? The "value returning" convention + almost invariably returns the entire value in registers. The + "struct returning" convention often returns the entire value in + memory, and passes a pointer (out of or into the function) saying + where the value (is or should go). + + Since this sometimes depends on whether it was compiled with GCC, + this is also an argument. This is used in call_function to build a + stack, and in value_being_returned to print return values. + + On sparc64, all structs are returned via a pointer. */ + +#undef USE_STRUCT_CONVENTION +#define USE_STRUCT_CONVENTION(gcc_p, type) 1 + /* Store the address of the place in which to copy the structure the subroutine will return. This is called from call_function. */ /* FIXME: V9 uses %o0 for this. */ @@ -220,17 +236,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define STORE_STRUCT_RETURN(ADDR, SP) \ { target_write_memory ((SP)+(16*8), (char *)&(ADDR), 8); } -/* Extract from an array REGBUF containing the (raw) register state - the address in which a function should return its structure value, - as a CORE_ADDR (or an expression that can be used as one). */ - -#undef EXTRACT_STRUCT_VALUE_ADDRESS -#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ - (sparc64_extract_struct_value_address (REGBUF)) - -extern CORE_ADDR -sparc64_extract_struct_value_address PARAMS ((char [REGISTER_BYTES])); - /* Return number of bytes at start of arglist that are not really args. */ #undef FRAME_ARGS_SKIP -- 2.30.2