Enabled debugging symbols

Makefile.cfg

@@ -37,7 +37,7 @@ CDLIC_FILE = $(TOOLCHAIN_PREFIX)/share/licenses/infoeur.dat
 # Executable suffix for executable running on the host
 # i.e. suffix for the binaries of the tools
 
-EXE_SUFFIX = 
+EXE_SUFFIX =
 
 #EXE_SUFFIX = .exe # Use this on Windows
 
@@ -58,8 +58,8 @@ CPP = mipsel-unknown-elf-gcc
 OBJCOPY = mipsel-unknown-elf-objcopy
 
 # Uncomment the lines below if you want to have a debug build
-# CFLAGS += -g -DPSXSDK_DEBUG
-# CXXFLAGS += -g -DPSXSDK_DEBUG
+CFLAGS += -g -DPSXSDK_DEBUG
+CXXFLAGS += -g -DPSXSDK_DEBUG
 
 # HOST_* variables specify the programs for compiling code on the host computer
 
@@ -69,7 +69,7 @@ HOST_CFLAGS = -g -Wall -Werror
 HOST_CXXFLAGS = -g -Wall -Werror
 HOST_AR = ar
 HOST_RANLIB = ranlib
-HOST_LDFLAGS = 
+HOST_LDFLAGS =
 
 # Flags for the examples
 

libpsx/src/memory.c

@@ -1,4 +1,4 @@
-/* 
+/*
  * memory.c
  *
  * PSXSDK malloc() family functions
@@ -30,20 +30,20 @@ void malloc_setup()
 
 	first_free_page = (unsigned int) __bss_end;
 	first_free_page-= 0x80000000;
-	
+
 	if(first_free_page & 0x3ff)
 		first_free_page = (first_free_page | 0x3ff) + 1;
 
 	first_free_page>>=10;
 
 	//printf("First free page: %d, bss_end: %x\n", first_free_page, __bss_end);
-	
+
 	for(x = 0; x < first_free_page; x++)
 	{
 		busy_pages[x] = 1; // RAM occupied by program, data and BIOS looks always allocated
 		alloc_size[x] = 1; // Fake that 1K was required
 	}
-		
+
 	for(x = first_free_page; x < 2048; x++)
 	{
 		busy_pages[x] = 0;
@@ -56,16 +56,16 @@ void *malloc(size_t size)
 	dprintf("malloc(%d)\n", size);
 
 	int x, y;
-	
+
 // Round size
 
 	if(size & 0x3ff)
 		size = (size | 0x3ff) + 1;
-		
-// Divide it by 1024	
+
+// Divide it by 1024
 	size >>= 10;
 	//printf("Allocating %dKb\n", size);
-	
+
 // Find a free page
 	for(x = 0; x < 2048; x++)
 	{
@@ -74,28 +74,31 @@ void *malloc(size_t size)
 			// If we find a free page, check how many free pages follow it.
 			// If it's enough for the memory we want to allocate, then return
 			// the pointer to the free page we found, otherwise keep finding
-			
+
 		//	printf("Page found at %dKb\n", x);
-			
+
 			for(y = 0; y < size; y++)
 				if(busy_pages[x+y] == 1) goto malloc_keep_finding;
-				
+
 			// We found the memory we wanted, now make it busy
-			
+
 			for(y = 0; y < size; y++)
 				busy_pages[x+y] = 1;
-			
-			// Store allocation size, it is essential for free()	
-						
+
+			// Store allocation size, it is essential for free()
+
 			alloc_size[x] = size;
 		//	printf("malloc(): alloc_size[%d] = %d\n", x, size);
-				
+
+			printf("finished malloc(%d)\n", size);
+
 			return (void*)((unsigned int)0x80000000 + (x<<10));
 		}
 malloc_keep_finding:
 		; // Useless statement to make GCC not bail out...
 	}
-	
+
+	printf("failed malloc(%d)\n", size);
 // We couldn't find anything, return NULL
 	return NULL;
 }
@@ -105,15 +108,15 @@ void *calloc(size_t number, size_t size)
 	void *ptr = malloc(number * size);
 	unsigned char *cptr = (unsigned char*)ptr;
 	int x;
-	
+
 	if(ptr == NULL)
 		ptr = NULL;
-		
+
 	for(x = 0; x < (number * size); x++)
 		cptr[x] = 0;
-		
+
 	return ptr;
-}																
+}
 
 void free(void *ptr)
 {
@@ -122,21 +125,21 @@ void free(void *ptr)
 	unsigned int ptri = (unsigned int)ptr;
 	ptri -= 0x80000000;
 	int x;
-	
+
 	if((ptri & 0x3ff) || (busy_pages[ptri>>10] == 0) || (alloc_size[ptri>>10] == 0))
 	{
 		// If the pointer address is not a multiplier of 1K, or the page
 		// is free, it means that memory not allocated by malloc() was passed to free.
 		// Print a warning message and return.
-		
+
 		printf("** free() ** : tried to free memory with invalid pointer at %x\n",
 			ptri + 0x80000000);
-			
-		return;	
+
+		return;
 	}
-	
+
 // Divide ptri by 1024, getting initial page
-	
+
 	ptri>>=10;
 
 //	printf("Freeing page at %dKb\n", ptri);
@@ -151,10 +154,10 @@ void free(void *ptr)
 		busy_pages[ptri + x] = 0;
 	}
 
-// Set allocation size to 0, finally freeing initial page		
-						
+// Set allocation size to 0, finally freeing initial page
+
 	alloc_size[ptri] = 0;
-	
+
 	/*for(x=150;x<170;x++)
 		printf("%d: %d, %d\n", x, busy_pages[x], alloc_size[x]);*/
 }
@@ -164,52 +167,52 @@ void *realloc(void *ptr, size_t size)
 	unsigned int ptri = (unsigned int)ptr;
 	int x;
 	void *newptr;
-	
+
 	if(ptr == NULL)
 		return malloc(size);
-	
+
 	ptri -= 0x80000000;
-	
+
 	size |= 0x3ff;
 	size++;
-	
+
 	size>>=10;
-	
+
 	if((ptri & 0x3ff) || (busy_pages[ptri>>10] == 0) || (alloc_size[ptri>>10] == 0))
 	{
 		// If the pointer address is not a multiplier of 1K, or the page
 		// is free, it means that memory not allocated by malloc() was passed to realloc.
 		// Print a warning message and return.
-		
+
 		printf("** realloc() ** : tried to reallocate memory with invalid pointer at %x\n",
 			ptri + 0x80000000);
-			
-		return NULL;	
+
+		return NULL;
 	}
 
 // Get page
-	
+
 	ptri>>=10;
 
 	if(size < alloc_size[ptri]) // New size smaller than old size
 	{
 		for(x = size; x < alloc_size[ptri]; x++)
 			busy_pages[ptri + x] = 0;
-	
+
 		alloc_size[ptri] = size;
 	}
 	else if(size > alloc_size[ptri]) // New size bigger than old size
 	{
 		newptr = malloc(size * 1024);
-		
+
 		if(newptr == NULL)
 			return NULL;
-		
+
 		memcpy(newptr, ptr, alloc_size[ptri]);
 		free(ptr);
-		
+
 		ptr = newptr;
 	}
-	
+
 	return ptr;
 }

misc/genscripts.sh

@@ -75,8 +75,8 @@ SECTIONS
 " > playstation.x
 
 echo "#!/bin/sh
-mipsel-unknown-elf-gcc -D__PSXSDK__ -fno-strict-overflow -fsigned-char -msoft-float -mno-gpopt -fno-builtin -G0 -I$1/include -T $1/mipsel-unknown-elf/lib/ldscripts/playstation.x \$*"> psx-gcc
+mipsel-unknown-elf-gcc -D__PSXSDK__ -fno-strict-overflow -fsigned-char -msoft-float -mno-gpopt -fno-builtin -g -I$1/include -T $1/mipsel-unknown-elf/lib/ldscripts/playstation.x \$*"> psx-gcc
 chmod +x psx-gcc
 echo "#!/bin/sh
-mipsel-unknown-elf-g++ -D__PSXSDK__ -fno-strict-overflow -fsigned-char -msoft-float -mno-gpopt -fno-builtin -G0 -I$1/include -T $1/mipsel-unknown-elf/lib/ldscripts/playstation.x -fno-rtti -fno-exceptions -fno-threadsafe-statics -fno-use-cxa-atexit \$*" > psx-g++
+mipsel-unknown-elf-g++ -D__PSXSDK__ -fno-strict-overflow -fsigned-char -msoft-float -mno-gpopt -fno-builtin -g -I$1/include -T $1/mipsel-unknown-elf/lib/ldscripts/playstation.x -fno-rtti -fno-exceptions -fno-threadsafe-statics -fno-use-cxa-atexit \$*" > psx-g++
 chmod +x psx-g++