* config/bfin/bfin-protos.h (initialize_trampoline): Remove.

	* config/bfin/bfin.c (bfin_asm_trampoline_template): New.
	(bfin_trampoline_init): Rename from initialize_trampoline;
	make static; update for target hook parameters.
	(TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
	* config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
	bfin_asm_trampoline_template.
	(INITIALIZE_TRAMPOLINE): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151988 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 53 insertions, 18 deletions

diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index 92aaf5770c4..32d72abc2aa 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -2094,37 +2094,67 @@ bfin_function_ok_for_sibcall (tree decl ATTRIBUTE_UNUSED,
   return !called_func->local || this_func->local;
 }
 
+/* Write a template for a trampoline to F.  */
+
+static void
+bfin_asm_trampoline_template (FILE *f)
+{
+  if (TARGET_FDPIC)
+    {
+      fprintf (f, "\t.dd\t0x00000000\n");	/* 0 */
+      fprintf (f, "\t.dd\t0x00000000\n");	/* 0 */
+      fprintf (f, "\t.dd\t0x0000e109\n");	/* p1.l = fn low */
+      fprintf (f, "\t.dd\t0x0000e149\n");	/* p1.h = fn high */
+      fprintf (f, "\t.dd\t0x0000e10a\n");	/* p2.l = sc low */
+      fprintf (f, "\t.dd\t0x0000e14a\n");	/* p2.h = sc high */
+      fprintf (f, "\t.dw\t0xac4b\n");		/* p3 = [p1 + 4] */
+      fprintf (f, "\t.dw\t0x9149\n");		/* p1 = [p1] */
+      fprintf (f, "\t.dw\t0x0051\n");		/* jump (p1)*/
+    }
+  else
+    {
+      fprintf (f, "\t.dd\t0x0000e109\n");	/* p1.l = fn low */
+      fprintf (f, "\t.dd\t0x0000e149\n");	/* p1.h = fn high */
+      fprintf (f, "\t.dd\t0x0000e10a\n");	/* p2.l = sc low */
+      fprintf (f, "\t.dd\t0x0000e14a\n");	/* p2.h = sc high */
+      fprintf (f, "\t.dw\t0x0051\n");		/* jump (p1)*/
+    }
+}
+
 /* Emit RTL insns to initialize the variable parts of a trampoline at
-   TRAMP. FNADDR is an RTX for the address of the function's pure
-   code.  CXT is an RTX for the static chain value for the function.  */
+   M_TRAMP. FNDECL is the target function.  CHAIN_VALUE is an RTX for
+   the static chain value for the function.  */
 
-void
-initialize_trampoline (rtx tramp, rtx fnaddr, rtx cxt)
+static void
+bfin_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
 {
-  rtx t1 = copy_to_reg (fnaddr);
-  rtx t2 = copy_to_reg (cxt);
-  rtx addr;
+  rtx t1 = copy_to_reg (XEXP (DECL_RTL (fndecl), 0));
+  rtx t2 = copy_to_reg (chain_value);
+  rtx mem;
   int i = 0;
 
+  emit_block_move (m_tramp, assemble_trampoline_template (),
+		   GEN_INT (TRAMPOLINE_SIZE), BLOCK_OP_NORMAL);
+
   if (TARGET_FDPIC)
     {
-      rtx a = memory_address (Pmode, plus_constant (tramp, 8));
-      addr = memory_address (Pmode, tramp);
-      emit_move_insn (gen_rtx_MEM (SImode, addr), a);
+      rtx a = force_reg (Pmode, plus_constant (XEXP (m_tramp, 0), 8));
+      mem = adjust_address (m_tramp, Pmode, 0);
+      emit_move_insn (mem, a);
       i = 8;
     }
 
-  addr = memory_address (Pmode, plus_constant (tramp, i + 2));
-  emit_move_insn (gen_rtx_MEM (HImode, addr), gen_lowpart (HImode, t1));
+  mem = adjust_address (m_tramp, HImode, i + 2);
+  emit_move_insn (mem, gen_lowpart (HImode, t1));
   emit_insn (gen_ashrsi3 (t1, t1, GEN_INT (16)));
-  addr = memory_address (Pmode, plus_constant (tramp, i + 6));
-  emit_move_insn (gen_rtx_MEM (HImode, addr), gen_lowpart (HImode, t1));
+  mem = adjust_address (m_tramp, HImode, i + 6);
+  emit_move_insn (mem, gen_lowpart (HImode, t1));
 
-  addr = memory_address (Pmode, plus_constant (tramp, i + 10));
-  emit_move_insn (gen_rtx_MEM (HImode, addr), gen_lowpart (HImode, t2));
+  mem = adjust_address (m_tramp, HImode, i + 10);
+  emit_move_insn (mem, gen_lowpart (HImode, t2));
   emit_insn (gen_ashrsi3 (t2, t2, GEN_INT (16)));
-  addr = memory_address (Pmode, plus_constant (tramp, i + 14));
-  emit_move_insn (gen_rtx_MEM (HImode, addr), gen_lowpart (HImode, t2));
+  mem = adjust_address (m_tramp, HImode, i + 14);
+  emit_move_insn (mem, gen_lowpart (HImode, t2));
 }
 
 /* Emit insns to move operands[1] into operands[0].  */
@@ -6619,4 +6649,9 @@ bfin_expand_builtin (tree exp, rtx target ATTRIBUTE_UNUSED,
 #undef TARGET_CAN_ELIMINATE
 #define TARGET_CAN_ELIMINATE bfin_can_eliminate
 
+#undef TARGET_ASM_TRAMPOLINE_TEMPLATE
+#define TARGET_ASM_TRAMPOLINE_TEMPLATE bfin_asm_trampoline_template
+#undef TARGET_TRAMPOLINE_INIT
+#define TARGET_TRAMPOLINE_INIT bfin_trampoline_init
+
 struct gcc_target targetm = TARGET_INITIALIZER;