refactor: move s file contents to referenced c files

Author: uyjulian

ee/libprofglue/Makefile

@@ -8,7 +8,7 @@
 
 EE_LIB = libprofglue.a
 
-EE_OBJS = prof.o mcount.o
+EE_OBJS = prof.o
 
 include $(PS2SDKSRC)/Defs.make
 include $(PS2SDKSRC)/ee/Rules.lib.make

ee/libprofglue/src/mcount.S

@@ -245,3 +245,46 @@ void __mcount(unsigned int frompc, unsigned int selfpc)
         arc->count++;
     }
 }
+
+__asm__
+(
+    "\t" ".set push" "\n"
+    "\t" ".set noreorder" "\n"
+    "\t" ".set noat" "\n"
+
+    "\t" ".global _mcount" "\n"
+    "\t" ".ent _mcount" "\n"
+
+    "\t" "_mcount:" "\n"
+
+    // Generated code already substracts 8 bytes
+    // We store our ra, at and a0-a3
+    "\t" "\t" "daddiu $sp, $sp, -56" "\n" // Adjust stack pointer for 64-bit registers, 7 registers * 8 bytes each
+    "\t" "\t" "sd   $ra, 0($sp)" "\n" // store ra
+    "\t" "\t" "sd   $at, 8($sp)" "\n" // at = ra of caller
+    "\t" "\t" "sd   $a0, 16($sp)" "\n"
+    "\t" "\t" "sd   $a1, 24($sp)" "\n"
+    "\t" "\t" "sd   $a2, 32($sp)" "\n"
+    "\t" "\t" "sd   $a3, 40($sp)" "\n"
+
+    // Call internal C handler
+    "\t" "\t" "move $a0, $at" "\n"
+    "\t" "\t" "move $a1, $ra" "\n"
+    "\t" "\t" "jal  __mcount" "\n"
+    "\t" "\t" "nop" "\n"
+
+    // Restore registers
+    "\t" "\t" "ld   $ra, 0($sp)" "\n"
+    "\t" "\t" "ld   $at, 8($sp)" "\n"
+    "\t" "\t" "ld   $a0, 16($sp)" "\n"
+    "\t" "\t" "ld   $a1, 24($sp)" "\n"
+    "\t" "\t" "ld   $a2, 32($sp)" "\n"
+    "\t" "\t" "ld   $a3, 40($sp)" "\n"
+    "\t" "\t" "daddiu $sp, $sp, 56" "\n" // Adjust stack pointer back
+    "\t" "\t" "jr   $ra" "\n"
+    "\t" "\t" "move $ra, $at" "\n" // restore caller's ra
+
+    "\t" ".end _mcount" "\n"
+
+    "\t" ".set pop" "\n"
+);

ee/libprofglue/src/prof.c

@@ -22,7 +22,7 @@ IOP_INCS += \
 	-I$(PS2SDKSRC)/iop/system/sysmem/include \
 	-I$(PS2SDKSRC)/iop/system/threadman/include
 
-IOP_OBJS = main.o sbus_dbg_low.o sbus_tty.o sbus_dbg.o imports.o
+IOP_OBJS = main.o sbus_tty.o sbus_dbg.o imports.o
 
 include $(PS2SDKSRC)/Defs.make
 include $(PS2SDKSRC)/iop/Rules.bin.make

iop/debug/iop_sbusdbg/Makefile

@@ -46,6 +46,24 @@ void _iop_ex_handler(IOP_RegFrame *frame)
 int tid;
 
 extern void soft_break(void);
+__asm__
+(
+    "\t" ".set push" "\n"
+    "\t" ".set noreorder" "\n"
+    "\t" ".set noat" "\n"
+
+    "\t" ".global soft_break" "\n"
+    "\t" ".ent soft_break" "\n"
+    "\t" "soft_break:" "\n"
+    "\t" "\t" "nop" "\n"
+    "\t" "\t" "break" "\n"
+    "\t" "\t" "nop" "\n"
+    "\t" "\t" "jr      $ra" "\n"
+    "\t" "\t" "nop" "\n"
+    "\t" ".end soft_break" "\n"
+
+    "\t" ".set pop" "\n"
+);
 
 void _controller_thread(void)
 {

iop/debug/iop_sbusdbg/src/main.c

@@ -16,7 +16,7 @@ IOP_INCS += \
 	-I$(PS2SDKSRC)/iop/system/sysmem/include \
 	-I$(PS2SDKSRC)/iop/system/threadman/include
 
-IOP_OBJS = udnl.o udnl_asm.o imports.o
+IOP_OBJS = udnl.o imports.o
 
 include $(PS2SDKSRC)/Defs.make
 include $(PS2SDKSRC)/iop/Rules.bin.make