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authorJason Thorpe <thorpej@netbsd.org>2002-01-19 20:22:28 +0000
committerJason Thorpe <thorpej@netbsd.org>2002-01-19 20:22:28 +0000
commit0d056799fda335eaa9a7cd1206098c9076de74c1 (patch)
tree517081c2ba64464742c4d8ab5940e835f7b96046 /gdb/alpha-tdep.c
parent63e63b07a26b1d38e53851cbbb42f9ffb1b54f40 (diff)
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* alpha-tdep.c (alpha_register_virtual_type): New function.
(alpha_init_frame_pc_first): Ditto. (alpha_fix_call_dummy): Ditto. (alpha_store_struct_return): Ditto. (alpha_extract_struct_value_address): Ditto. * config/alpha/tm-alpha.h (REGISTER_VIRTUAL_TYPE): Use alpha_register_virtual_type. (STORE_STRUCT_RETURN): Use alpha_store_struct_return. (EXTRACT_STRUCT_VALUE_ADDRESS): Use alpha_extract_struct_value_address. (FIX_CALL_DUMMY): Use alpha_fix_call_dummy. (INIT_FRAME_PC): Use init_frame_pc_noop. (INIT_FRAME_PC_FIRST): Use alpha_init_frame_pc_first.
Diffstat (limited to 'gdb/alpha-tdep.c')
-rw-r--r--gdb/alpha-tdep.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 6345279..a717e10 100644
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -315,6 +315,13 @@ alpha_register_convertible (int regno)
{
return (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31);
}
+
+struct type *
+alpha_register_virtual_type (int regno)
+{
+ return ((regno >= FP0_REGNUM && regno < (FP0_REGNUM+31))
+ ? builtin_type_double : builtin_type_long);
+}
/* Guaranteed to set frame->saved_regs to some values (it never leaves it
@@ -416,6 +423,13 @@ alpha_frame_init_saved_regs (struct frame_info *fi)
fi->saved_regs[SP_REGNUM] = fi->frame;
}
+void
+alpha_init_frame_pc_first (int fromleaf, struct frame_info *prev)
+{
+ prev->pc = (fromleaf ? SAVED_PC_AFTER_CALL (prev->next) :
+ prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ());
+}
+
static CORE_ADDR
read_next_frame_reg (struct frame_info *fi, int regno)
{
@@ -1479,6 +1493,18 @@ alpha_call_dummy_address (void)
return SYMBOL_VALUE_ADDRESS (sym) + 4;
}
+void
+alpha_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
+ struct value **args, struct type *type, int gcc_p)
+{
+ CORE_ADDR bp_address = CALL_DUMMY_ADDRESS ();
+
+ if (bp_address == 0)
+ error ("no place to put call");
+ write_register (RA_REGNUM, bp_address);
+ write_register (T12_REGNUM, fun);
+}
+
int
alpha_use_struct_convention (int gcc_p, struct type *type)
{
@@ -1486,6 +1512,20 @@ alpha_use_struct_convention (int gcc_p, struct type *type)
return 1;
}
+void
+alpha_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
+{
+ /* Store the address of the place in which to copy the structure the
+ subroutine will return. Handled by alpha_push_arguments. */
+}
+
+CORE_ADDR
+alpha_extract_struct_value_address (char *regbuf)
+{
+ return (extract_address (regbuf + REGISTER_BYTE (V0_REGNUM),
+ REGISTER_RAW_SIZE (V0_REGNUM)));
+}
+
/* alpha_software_single_step() is called just before we want to resume
the inferior, if we want to single-step it but there is no hardware
or kernel single-step support (NetBSD on Alpha, for example). We find