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GCC Compiler Support (#1791) 

* GCC Compiler Support

* Update mkldscript
This commit is contained in:
Tharo 2025-02-02 21:15:55 +00:00 committed by GitHub
parent 89b7bb0d71
commit 84a89c8f46
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 419 additions and 205 deletions
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65
Makefile
View File

@ -40,6 +40,8 @@ COMPARE ?= 1
NON_MATCHING ?= 0
# If ORIG_COMPILER is 1, compile with QEMU_IRIX and the original compiler
ORIG_COMPILER ?= 0
# If COMPILER is "gcc", compile with GCC instead of IDO.
COMPILER ?= ido
# if WERROR is 1, pass -Werror to CC_CHECK, so warnings would be treated as errors
WERROR ?= 0
# Keep .mdebug section in build
@ -69,9 +71,18 @@ N64_EMULATOR ?=
# Ensure the map file being created using English localization
export LANG := C
CFLAGS :=
CPPFLAGS :=
ifeq ($(COMPILER),gcc)
CPPFLAGS += -DCOMPILER_GCC
NON_MATCHING := 1
RUN_CC_CHECK := 0
endif
ifneq ($(NON_MATCHING),0)
CFLAGS := -DNON_MATCHING
CPPFLAGS := -DNON_MATCHING
CFLAGS += -DNON_MATCHING -DAVOID_UB
CPPFLAGS += -DNON_MATCHING -DAVOID_UB
COMPARE := 0
endif
@ -92,8 +103,15 @@ ifneq ($(shell type $(MIPS_BINUTILS_PREFIX)ld >/dev/null 2>/dev/null; echo $$?),
$(error Unable to find $(MIPS_BINUTILS_PREFIX)ld. Please install or build MIPS binutils, commonly mips-linux-gnu. (or set MIPS_BINUTILS_PREFIX if your MIPS binutils install uses another prefix))
endif
# Detect compiler and set variables appropriately.
ifeq ($(COMPILER),gcc)
CC := $(MIPS_BINUTILS_PREFIX)gcc
else ifeq ($(COMPILER),ido)
CC := tools/ido_recomp/$(DETECTED_OS)/7.1/cc
CC_OLD := tools/ido_recomp/$(DETECTED_OS)/5.3/cc
else
$(error Unsupported compiler. Please use either ido or gcc as the COMPILER variable.)
endif
# if ORIG_COMPILER is 1, check that either QEMU_IRIX is set or qemu-irix package installed
ifeq ($(ORIG_COMPILER),1)
@ -177,18 +195,36 @@ SFCFLAGS := --matching
# We can't use the C preprocessor for this because it won't substitute inside string literals.
BUILD_DIR_REPLACE := sed -e 's|$$(BUILD_DIR)|$(BUILD_DIR)|g'
GBI_DEFINES := -DF3DEX_GBI_2 -DF3DEX_GBI_PL -DGBI_DOWHILE
ifeq ($(COMPILER),gcc)
# MIPS options
CFLAGS += -G 0 -march=vr4300 -mtune=vr4300 -mfix4300 -mabi=32 -mno-abicalls -mdivide-breaks
# C dialect options
CFLAGS += -nostdinc -fno-PIC -fno-common -ffreestanding -fbuiltin -fno-builtin-sinf -fno-builtin-cosf -funsigned-char
WARNINGS := $(CC_CHECK_WARNINGS)
ASFLAGS := -march=vr4300 -32 -G0
COMMON_DEFINES := $(GBI_DEFINES)
AS_DEFINES := $(COMMON_DEFINES) -DMIPSEB -D_LANGUAGE_ASSEMBLY -D_ULTRA64
C_DEFINES := $(COMMON_DEFINES) -D_LANGUAGE_C
ENDIAN :=
OPTFLAGS := -Os -ffast-math -ftrapping-math -fno-associative-math
MIPS_VERSION := -mips3
else
CFLAGS += -G 0 -non_shared -Xcpluscomm -nostdinc -Wab,-r4300_mul
WARNINGS := -fullwarn -verbose -woff 624,649,838,712,516,513,596,564,594,807
ASFLAGS := -march=vr4300 -32 -G0
GBI_DEFINES := -DF3DEX_GBI_2 -DF3DEX_GBI_PL -DGBI_DOWHILE
COMMON_DEFINES := -D_MIPS_SZLONG=32 $(GBI_DEFINES)
AS_DEFINES := $(COMMON_DEFINES) -DMIPSEB -D_LANGUAGE_ASSEMBLY -D_ULTRA64
C_DEFINES := $(COMMON_DEFINES) -DLANGUAGE_C -D_LANGUAGE_C
C_DEFINES := $(COMMON_DEFINES) -D_LANGUAGE_C
ENDIAN := -EB
OPTFLAGS := -O2 -g3
MIPS_VERSION := -mips2
endif
# Use relocations and abi fpr names in the dump
OBJDUMP_FLAGS := --disassemble --reloc --disassemble-zeroes -Mreg-names=32
@ -221,7 +257,12 @@ SPEC := spec
# create asm directories
$(shell mkdir -p asm data extracted)
ifeq ($(COMPILER),ido)
SRC_DIRS := $(shell find src -type d -not -path src/gcc_fix)
else
SRC_DIRS := $(shell find src -type d)
endif
ASM_DIRS := $(shell find asm -type d -not -path "asm/non_matchings*") $(shell find data -type d)
ifneq ($(wildcard $(EXTRACTED_DIR)/assets/audio),)
@ -369,6 +410,7 @@ $(shell mkdir -p $(foreach dir, \
$(dir:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)))
endif
ifeq ($(COMPILER),ido)
# directory flags
$(BUILD_DIR)/src/libultra/os/%.o: OPTFLAGS := -O1
$(BUILD_DIR)/src/libultra/voice/%.o: OPTFLAGS := -O2
@ -417,7 +459,16 @@ $(BUILD_DIR)/src/audio/%.o: CC := $(ASM_PROC) $(ASM_PROC_FLAGS) $(CC) -- $(AS) $
$(BUILD_DIR)/src/overlays/%.o: CC := $(ASM_PROC) $(ASM_PROC_FLAGS) $(CC) -- $(AS) $(ASFLAGS) --
$(BUILD_DIR)/assets/%.o: CC := $(ASM_PROC) $(ASM_PROC_FLAGS) $(CC) -- $(AS) $(ASFLAGS) --
else
# Note that if adding additional assets directories for modding reasons these flags must also be used there
$(BUILD_DIR)/assets/%.o: CFLAGS += -fno-zero-initialized-in-bss -fno-toplevel-reorder
$(BUILD_DIR)/src/%.o: CFLAGS += -fexec-charset=euc-jp
$(BUILD_DIR)/src/libultra/libc/ll.o: OPTFLAGS := -Ofast
$(BUILD_DIR)/src/overlays/%.o: CFLAGS += -fno-merge-constants -mno-explicit-relocs -mno-split-addresses
# Temporary: Hardcoded pointers in assets (specifically object_dmask and object_osn)
$(BUILD_DIR)/assets/%.o: WARNINGS += -Wno-error=int-conversion
endif
$(SHIFTJIS_O_FILES): CC_CHECK_WARNINGS += -Wno-multichar -Wno-type-limits -Wno-overflow
@ -551,9 +602,13 @@ $(BUILD_DIR)/%.o: %.s
$(CPP) $(CPPFLAGS) $(IINC) $< | $(AS) $(ASFLAGS) $(IINC) $(ENDIAN) -o $@
$(BUILD_DIR)/assets/text/%.o: assets/text/%.c
ifneq ($(COMPILER),gcc)
# Preprocess text with modern cpp for varargs macros
$(CPP) -undef -D_LANGUAGE_C -D__sgi $(CPPFLAGS) $(IINC) $< -o $(@:.o=.c)
$(CC) -c $(CFLAGS) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $(@:.o=.c)
$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $(@:.o=.c)
else
$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $<
endif
$(BUILD_DIR)/assets/%.o: assets/%.c
$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $<

3
spec
View File

@ -244,6 +244,9 @@ beginseg
include "$(BUILD_DIR)/src/boot/libc/strcpy.o"
include "$(BUILD_DIR)/src/boot/libc/memmove.o"
include "$(BUILD_DIR)/src/boot/build.o"
#ifdef COMPILER_GCC
include "$(BUILD_DIR)/src/gcc_fix/missing_gcc_functions.o"
#endif
endseg
beginseg

237
src/gcc_fix/missing_gcc_functions.c Normal file
View File

@ -0,0 +1,237 @@
/* --------------------------------------------------------------------------------*/
/* Depending on the toolchain used, an appropriate precompiled libgcc library */
/* may not exist and cannot be linked against. Until we have a better work around, */
/* necessary gcc functions are hosted here in order to properly compile. */
/* This file is NOT a part of the original game and only exists to help gcc work. */
/* --------------------------------------------------------------------------------*/
#include "global.h"
// Self-hosted libc memory functions, gcc assumes these exist even in a freestanding
// environment and there is no way to tell it otherwise.
int memcmp(const void* s1, const void* s2, size_t n) {
const u8* m1 = s1;
const u8* m2 = s2;
size_t i;
for (i = 0; i < n; i++) {
if (m1[i] < m2[i]) {
return -1;
} else if (m1[i] > m2[i]) {
return 1;
}
}
return 0;
}
// Conversions involving 64-bit integer types required by the O32 MIPS ABI.
// f32 -> u64, negative values become 0
u64 __fixunssfdi(f32 a) {
if (a > 0.0f) {
register union {
f64 f;
u64 i;
} m;
__asm__("cvt.l.s %0, %1" : "=f"(m.f) : "f"(a));
return m.i;
}
return 0;
}
// f64 -> u64, negative values become 0
u64 __fixunsdfdi(f64 a) {
if (a > 0.0) {
register union {
f64 f;
u64 i;
} m;
__asm__("cvt.l.d %0, %1" : "=f"(m.f) : "f"(a));
return m.i;
}
return 0;
}
// f32 -> s64
s64 __fixsfdi(f32 c) {
register union {
f64 f;
s64 i;
} m;
__asm__("cvt.l.s %0, %1" : "=f"(m.f) : "f"(c));
return m.i;
}
// f64 -> s64
s64 __fixdfdi(f64 c) {
register union {
f64 f;
s64 i;
} m;
__asm__("cvt.l.d %0, %1" : "=f"(m.f) : "f"(c));
return m.i;
}
// s64 -> f32
f32 __floatdisf(s64 c) {
register union {
f64 f;
s64 i;
} m;
register f32 v;
m.i = c;
__asm__("cvt.s.l %0, %1" : "=f"(v) : "f"(m.f));
return v;
}
// s64 -> f64
f64 __floatdidf(s64 c) {
register union {
f64 f;
s64 i;
} m;
register f64 v;
m.i = c;
__asm__("cvt.d.l %0, %1" : "=f"(v) : "f"(m.f));
return v;
}
// u64 -> f32
f32 __floatundisf(u64 c) {
register union {
f64 f;
u64 i;
} m;
register f32 v;
m.i = c;
__asm__("cvt.s.l %0, %1" : "=f"(v) : "f"(m.f));
if ((s64)c < 0) {
// cvt.s.l assumes signed input, adjust output
v += 4294967296.0f; // 2^32
}
return v;
}
// u64 -> f64
f64 __floatundidf(u64 c) {
register union {
f64 f;
u64 i;
} m;
register f64 v;
m.i = c;
__asm__("cvt.d.l %0, %1" : "=f"(v) : "f"(m.f));
if ((s64)c < 0) {
// cvt.d.l assumes signed input, adjust output
v += 18446744073709551616.0; // 2^64
}
return v;
}
// Compute x^m by binary exponentiation
f32 __powisf2(f32 x, s32 m) {
u32 n = (m < 0) ? -m : m;
f32 y = (n % 2 != 0) ? x : 1.0f;
while (n >>= 1) {
x = x * x;
if (n % 2 != 0) {
y = y * x;
}
}
return (m < 0) ? (1.0f / y) : y;
}
// Compute division and modulo of 64-bit signed and unsigned integers
__asm__(" \n\
.set push \n\
.set noreorder \n\
.set gp=64 \n\
\n\
.global __umoddi3 \n\
__umoddi3: \n\
.type __umoddi3, @function \n\
.ent __umoddi3 \n\
sw $a0, 0x0($sp) \n\
sw $a1, 0x4($sp) \n\
sw $a2, 0x8($sp) \n\
sw $a3, 0xC($sp) \n\
ld $t6, 0($sp) \n\
ld $t7, 8($sp) \n\
dremu $v0, $t6, $t7 \n\
dsll32 $v1, $v0, 0 \n\
dsra32 $v1, $v1, 0 \n\
jr $ra \n\
dsra32 $v0, $v0, 0 \n\
.end __umoddi3 \n\
.size __umoddi3, . - __umoddi3 \n\
\n\
.global __udivdi3 \n\
__udivdi3: \n\
.type __udivdi3, @function \n\
.ent __udivdi3 \n\
sw $a0, 0x0($sp) \n\
sw $a1, 0x4($sp) \n\
sw $a2, 0x8($sp) \n\
sw $a3, 0xC($sp) \n\
ld $t6, 0($sp) \n\
ld $t7, 8($sp) \n\
ddivu $v0, $t6, $t7 \n\
dsll32 $v1, $v0, 0 \n\
dsra32 $v1, $v1, 0 \n\
jr $ra \n\
dsra32 $v0, $v0, 0 \n\
.end __udivdi3 \n\
.size __udivdi3, . - __udivdi3 \n\
\n\
.global __moddi3 \n\
__moddi3: \n\
.type __moddi3, @function \n\
.ent __moddi3 \n\
sw $a0, 0x0($sp) \n\
sw $a1, 0x4($sp) \n\
sw $a2, 0x8($sp) \n\
sw $a3, 0xC($sp) \n\
ld $t6, 0($sp) \n\
ld $t7, 8($sp) \n\
drem $v0, $t6, $t7 \n\
dsll32 $v1, $v0, 0 \n\
dsra32 $v1, $v1, 0 \n\
jr $ra \n\
dsra32 $v0, $v0, 0 \n\
.end __moddi3 \n\
.size __moddi3, . - __moddi3 \n\
\n\
.global __divdi3 \n\
__divdi3: \n\
.type __divdi3, @function \n\
.ent __divdi3 \n\
sw $a0, 0x0($sp) \n\
sw $a1, 0x4($sp) \n\
sw $a2, 0x8($sp) \n\
sw $a3, 0xC($sp) \n\
ld $t6, 0($sp) \n\
ld $t7, 8($sp) \n\
ddiv $v0, $t6, $t7 \n\
dsll32 $v1, $v0, 0 \n\
dsra32 $v1, $v1, 0 \n\
jr $ra \n\
dsra32 $v0, $v0, 0 \n\
.end __divdi3 \n\
.size __divdi3, . - __divdi3 \n\
\n\
.set pop \n\
\n");

249
tools/buildtools/mkldscript.c
View File

@ -21,7 +21,8 @@
struct Segment *g_segments;
int g_segmentsCount;
static void write_ld_script(FILE* fout) {
static void write_ld_script(FILE *fout)
{
int i;
int j;
@ -31,7 +32,8 @@ static void write_ld_script(FILE* fout) {
" _RomStart = _RomSize;\n\n",
fout);
for (i = 0; i < g_segmentsCount; i++) {
for (i = 0; i < g_segmentsCount; i++)
{
const struct Segment *seg = &g_segments[i];
// align start of ROM segment
@ -42,35 +44,28 @@ static void write_ld_script(FILE* fout) {
// initialized data (.text, .data, .rodata, .sdata)
// Increment the start of the section
// if (seg->fields & (1 << STMT_increment))
// fprintf(fout, " . += 0x%08X;\n", seg->increment);
fprintf(fout,
" _%sSegmentRomStartTemp = _RomSize;\n"
fprintf(fout, " _%sSegmentRomStartTemp = _RomSize;\n"
" _%sSegmentRomStart = _%sSegmentRomStartTemp;\n"
" ..%s ",
seg->name, seg->name, seg->name, seg->name);
" ..%s ", seg->name, seg->name, seg->name, seg->name);
if (seg->fields & (1 << STMT_after))
fprintf(fout, "_%sSegmentEnd ", seg->after);
fprintf(fout, "(_%sSegmentEnd + %i) & ~ %i ", seg->after, seg->align - 1, seg->align - 1);
else if (seg->fields & (1 << STMT_number))
fprintf(fout, "0x%02X000000 ", seg->number);
else if (seg->fields & (1 << STMT_address))
fprintf(fout, "0x%08X ", seg->address);
else
fprintf(fout, "ALIGN(0x%X) ", seg->align);
// (AT(_RomSize) isn't necessary, but adds useful "load address" lines to the map file)
fprintf(fout,
": AT(_RomSize)\n {\n"
fprintf(fout, ": AT(_RomSize)\n {\n"
" _%sSegmentStart = .;\n"
" . = ALIGN(0x10);\n"
" _%sSegmentTextStart = .;\n",
seg->name, seg->name);
if (seg->fields & (1 << STMT_align))
fprintf(fout, " . = ALIGN(0x%X);\n", seg->align);
for (j = 0; j < seg->includesCount; j++) {
for (j = 0; j < seg->includesCount; j++)
{
fprintf(fout, " %s (.text)\n", seg->includes[j].fpath);
if (seg->includes[j].linkerPadding != 0)
fprintf(fout, " . += 0x%X;\n", seg->includes[j].linkerPadding);
@ -79,39 +74,24 @@ static void write_ld_script(FILE* fout) {
fprintf(fout, " _%sSegmentTextEnd = .;\n", seg->name);
fprintf(fout, " _%sSegmentTextSize = ABSOLUTE( _%sSegmentTextEnd - _%sSegmentTextStart );\n", seg->name,
seg->name, seg->name);
fprintf(fout, " _%sSegmentTextSize = ABSOLUTE( _%sSegmentTextEnd - _%sSegmentTextStart );\n", seg->name, seg->name, seg->name);
fprintf(fout, " _%sSegmentDataStart = .;\n", seg->name);
for (j = 0; j < seg->includesCount; j++) {
fprintf(fout,
" %s (.data)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
{
fprintf(fout, " %s (.data)\n"
" . = ALIGN(0x10);\n", seg->includes[j].fpath);
}
/*
for (j = 0; j < seg->includesCount; j++)
fprintf(fout, " %s (.rodata)\n", seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout, " %s (.sdata)\n", seg->includes[j].fpath);
*/
// fprintf(fout, " . = ALIGN(0x10);\n");
fprintf(fout, " _%sSegmentDataEnd = .;\n", seg->name);
fprintf(fout, " _%sSegmentDataSize = ABSOLUTE( _%sSegmentDataEnd - _%sSegmentDataStart );\n", seg->name,
seg->name, seg->name);
fprintf(fout, " _%sSegmentDataSize = ABSOLUTE( _%sSegmentDataEnd - _%sSegmentDataStart );\n", seg->name, seg->name, seg->name);
fprintf(fout, " _%sSegmentRoDataStart = .;\n", seg->name);
for (j = 0; j < seg->includesCount; j++) {
fprintf(fout,
" %s (.rodata)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
{
// Compilers other than IDO, such as GCC, produce different sections such as
// the ones named directly below. These sections do not contain values that
// need relocating, but we need to ensure that the base .rodata section
@ -120,32 +100,22 @@ static void write_ld_script(FILE* fout) {
// the beginning of the entire rodata area in order to remain consistent.
// Inconsistencies will lead to various .rodata reloc crashes as a result of
// either missing relocs or wrong relocs.
fprintf(fout,
" %s (.rodata.str1.4)\n"
fprintf(fout, " %s (.rodata)\n"
" %s (.rodata.str*)\n"
" %s (.rodata.cst*)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout,
" %s (.rodata.cst4)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout,
" %s (.rodata.cst8)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
seg->includes[j].fpath, seg->includes[j].fpath, seg->includes[j].fpath);
}
fprintf(fout, " _%sSegmentRoDataEnd = .;\n", seg->name);
fprintf(fout, " _%sSegmentRoDataSize = ABSOLUTE( _%sSegmentRoDataEnd - _%sSegmentRoDataStart );\n",
seg->name, seg->name, seg->name);
fprintf(fout, " _%sSegmentRoDataSize = ABSOLUTE( _%sSegmentRoDataEnd - _%sSegmentRoDataStart );\n", seg->name, seg->name, seg->name);
fprintf(fout, " _%sSegmentSDataStart = .;\n", seg->name);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout,
" %s (.sdata)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout, " %s (.sdata)\n"
" . = ALIGN(0x10);\n", seg->includes[j].fpath);
fprintf(fout, " _%sSegmentSDataEnd = .;\n", seg->name);
@ -163,8 +133,7 @@ static void write_ld_script(FILE* fout) {
fprintf(fout, " _RomSize += ( _%sSegmentOvlEnd - _%sSegmentTextStart );\n", seg->name, seg->name);
fprintf(fout,
" _%sSegmentRomEndTemp = _RomSize;\n"
fprintf(fout, " _%sSegmentRomEndTemp = _RomSize;\n"
"_%sSegmentRomEnd = _%sSegmentRomEndTemp;\n\n",
seg->name, seg->name, seg->name);
@ -173,159 +142,109 @@ static void write_ld_script(FILE* fout) {
fprintf(fout, " _RomSize = (_RomSize + %i) & ~ %i;\n", seg->romalign - 1, seg->romalign - 1);
// uninitialized data (.sbss, .scommon, .bss, COMMON)
fprintf(fout,
" ..%s.bss ADDR(..%s) + SIZEOF(..%s) (NOLOAD) :\n"
fprintf(fout, " ..%s.bss ADDR(..%s) + SIZEOF(..%s) (NOLOAD) :\n"
/*" ..%s.bss :\n"*/
" {\n"
" . = ALIGN(0x10);\n"
" _%sSegmentBssStart = .;\n",
seg->name, seg->name, seg->name, seg->name);
if (seg->fields & (1 << STMT_align))
fprintf(fout, " . = ALIGN(0x%X);\n", seg->align);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout, " %s (.sbss)\n"
" . = ALIGN(0x10);\n", seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout,
" %s (.sbss)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout, " %s (.scommon)\n"
" . = ALIGN(0x10);\n", seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout,
" %s (.scommon)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout, " %s (.bss)\n"
" . = ALIGN(0x10);\n", seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout,
" %s (.bss)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout, " %s (COMMON)\n"
" . = ALIGN(0x10);\n", seg->includes[j].fpath);
for (j = 0; j < seg->includesCount; j++)
fprintf(fout,
" %s (COMMON)\n"
" . = ALIGN(0x10);\n",
seg->includes[j].fpath);
fprintf(fout,
" . = ALIGN(0x10);\n"
fprintf(fout, " . = ALIGN(0x10);\n"
" _%sSegmentBssEnd = .;\n"
" _%sSegmentEnd = .;\n"
" }\n"
" _%sSegmentBssSize = ABSOLUTE( _%sSegmentBssEnd - _%sSegmentBssStart );\n\n",
seg->name, seg->name, seg->name, seg->name, seg->name);
// Increment the end of the segment
// if (seg->fields & (1 << STMT_increment))
// fprintf(fout, " . += 0x%08X;\n", seg->increment);
// fprintf(fout, " ..%s.ovl ADDR(..%s) + SIZEOF(..%s) :\n"
// /*" ..%s.bss :\n"*/
// " {\n",
// seg->name, seg->name, seg->name);
// fprintf(fout, " _%sSegmentOvlStart = .;\n", seg->name);
// for (j = 0; j < seg->includesCount; j++)
// fprintf(fout, " %s (.ovl)\n", seg->includes[j].fpath);
////fprintf(fout, " . = ALIGN(0x10);\n");
// fprintf(fout, " _%sSegmentOvlEnd = .;\n", seg->name);
// fprintf(fout, "\n }\n");
}
fputs(" _RomEnd = _RomSize;\n\n", fout);
// Debugging sections
fputs(
// mdebug debug sections
" .mdebug : { *(.mdebug) }"
"\n"
" .mdebug.abi32 : { *(.mdebug.abi32) }"
"\n"
// mdebug sections
" .pdr : { *(.pdr) }" "\n"
" .mdebug : { *(.mdebug) }" "\n"
" .mdebug.abi32 : { *(.mdebug.abi32) }" "\n"
// DWARF debug sections
// Symbols in the DWARF debugging sections are relative to the beginning of the section so we begin them at 0.
// DWARF 1
" .debug 0 : { *(.debug) }"
"\n"
" .line 0 : { *(.line) }"
"\n"
" .debug 0 : { *(.debug) }" "\n"
" .line 0 : { *(.line) }" "\n"
// GNU DWARF 1 extensions
" .debug_srcinfo 0 : { *(.debug_srcinfo) }"
"\n"
" .debug_sfnames 0 : { *(.debug_sfnames) }"
"\n"
" .debug_srcinfo 0 : { *(.debug_srcinfo) }" "\n"
" .debug_sfnames 0 : { *(.debug_sfnames) }" "\n"
// DWARF 1.1 and DWARF 2
" .debug_aranges 0 : { *(.debug_aranges) }"
"\n"
" .debug_pubnames 0 : { *(.debug_pubnames) }"
"\n"
" .debug_aranges 0 : { *(.debug_aranges) }" "\n"
" .debug_pubnames 0 : { *(.debug_pubnames) }" "\n"
// DWARF 2
" .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }"
"\n"
" .debug_abbrev 0 : { *(.debug_abbrev) }"
"\n"
" .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) }"
"\n"
" .debug_frame 0 : { *(.debug_frame) }"
"\n"
" .debug_str 0 : { *(.debug_str) }"
"\n"
" .debug_loc 0 : { *(.debug_loc) }"
"\n"
" .debug_macinfo 0 : { *(.debug_macinfo) }"
"\n"
" .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }" "\n"
" .debug_abbrev 0 : { *(.debug_abbrev) }" "\n"
" .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) }" "\n"
" .debug_frame 0 : { *(.debug_frame) }" "\n"
" .debug_str 0 : { *(.debug_str) }" "\n"
" .debug_loc 0 : { *(.debug_loc) }" "\n"
" .debug_macinfo 0 : { *(.debug_macinfo) }" "\n"
// SGI/MIPS DWARF 2 extensions
" .debug_weaknames 0 : { *(.debug_weaknames) }"
"\n"
" .debug_funcnames 0 : { *(.debug_funcnames) }"
"\n"
" .debug_typenames 0 : { *(.debug_typenames) }"
"\n"
" .debug_varnames 0 : { *(.debug_varnames) }"
"\n"
" .debug_weaknames 0 : { *(.debug_weaknames) }" "\n"
" .debug_funcnames 0 : { *(.debug_funcnames) }" "\n"
" .debug_typenames 0 : { *(.debug_typenames) }" "\n"
" .debug_varnames 0 : { *(.debug_varnames) }" "\n"
// DWARF 3
" .debug_pubtypes 0 : { *(.debug_pubtypes) }"
"\n"
" .debug_ranges 0 : { *(.debug_ranges) }"
"\n"
// DWARF Extension
" .debug_macro 0 : { *(.debug_macro) }"
"\n"
" .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }"
"\n",
fout);
" .debug_pubtypes 0 : { *(.debug_pubtypes) }" "\n"
" .debug_ranges 0 : { *(.debug_ranges) }" "\n"
// DWARF 5
" .debug_addr 0 : { *(.debug_addr) }" "\n"
" .debug_line_str 0 : { *(.debug_line_str) }" "\n"
" .debug_loclists 0 : { *(.debug_loclists) }" "\n"
" .debug_macro 0 : { *(.debug_macro) }" "\n"
" .debug_names 0 : { *(.debug_names) }" "\n"
" .debug_rnglists 0 : { *(.debug_rnglists) }" "\n"
" .debug_str_offsets 0 : { *(.debug_str_offsets) }" "\n"
" .debug_sup 0 : { *(.debug_sup) }\n"
// gnu attributes
" .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" "\n", fout);
// Discard all other sections not mentioned above
fputs(" /DISCARD/ :"
"\n"
" {"
"\n"
" *(*);"
"\n"
" }"
"\n",
fout);
fputs(" /DISCARD/ :" "\n"
" {" "\n"
" *(*);" "\n"
" }" "\n", fout);
fputs("}\n", fout);
}
static void usage(const char* execname) {
fprintf(stderr,
"Nintendo 64 linker script generation tool v0.03\n"
static void usage(const char *execname)
{
fprintf(stderr, "Nintendo 64 linker script generation tool v0.03\n"
"usage: %s SPEC_FILE LD_SCRIPT\n"
"SPEC_FILE file describing the organization of object files into segments\n"
"LD_SCRIPT filename of output linker script\n",
execname);
}
int main(int argc, char** argv) {
int main(int argc, char **argv)
{
FILE *ldout;
void *spec;
size_t size;
if (argc != 3) {
if (argc != 3)
{
usage(argv[0]);
return 1;
}