* Modify simulator and ARM code generator to avoid swi...

src/arm/constants-arm.h

Index: src/arm/constants-arm.h
===================================================================
--- src/arm/constants-arm.h	(revision 2053)
+++ src/arm/constants-arm.h	(working copy)
@@ -28,6 +28,17 @@
 #ifndef V8_ARM_CONSTANTS_ARM_H_
 #define V8_ARM_CONSTANTS_ARM_H_
 
+// The simulator emulates the EABI so we define the __ARM_EABI__ macro if we
+// are not running on real ARM hardware.  One reason for this is that the
+// old ABI uses fp registers in the calling convention and the simulator does
+// not simulate fp registers or coroutine instructions.
+#ifndef __arm__
+# ifdef __ARM_EABI__
+#   undef __ARM_EABI__
+# endif
+# define __ARM_EABI__ 1

[iposva, 2009/06/08 21:48:41]

It makes me a bit uncomfortable to be defining "compiler reserved" macros, but I
guess this should be fine.

[Erik Corry, 2009/06/09 09:27:00]

Fixed with the introduction of USE_ARM_EABI macro instead.

+#endif
+
 namespace assembler {
 namespace arm {
 
@@ -104,15 +115,9 @@
 // simulator.
 enum SoftwareInterruptCodes {
   // transition to C code
-  call_rt_r5 = 0x10,
-  call_rt_r2 = 0x11,
+  call_rt_redirected = 0x10,
   // break point
-  break_point = 0x20,
-  // FP operations.  These simulate calling into C for a moment to do fp ops.
-  // They should trash all caller-save registers.
-  simulator_fp_add = 0x21,
-  simulator_fp_sub = 0x22,
-  simulator_fp_mul = 0x23
+  break_point = 0x20
 };