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emummc: improve linkscript/building

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This commit is contained in:
Michael Scire 2019-06-16 11:09:02 -07:00
parent aa289410bb
commit 1a5801ee0f
7 changed files with 6 additions and 3471 deletions
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4
emummc/Makefile
View file

@ -17,7 +17,7 @@ else
EMUMMCDIR ?= $(CURDIR)/../ EMUMMCDIR ?= $(CURDIR)/../
endif endif
include $(EMUMMCDIR)/nx/switch_rules include $(DEVKITPRO)/libnx/switch_rules
ARCH := -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE ARCH := -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
@ -31,7 +31,7 @@ CFLAGS += $(INCLUDE) -D__SWITCH__
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++17 CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++17
ASFLAGS := -g $(ARCH) ASFLAGS := -g $(ARCH)
LDFLAGS = -specs=$(EMUMMCDIR)/nx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
ifneq ($(BUILD),$(notdir $(CURDIR))) ifneq ($(BUILD),$(notdir $(CURDIR)))

229
emummc/nx/switch.ld
View file

@ -1,229 +0,0 @@
OUTPUT_ARCH(aarch64)
ENTRY(_start)
PHDRS
{
code PT_LOAD FLAGS(5) /* Read | Execute */;
rodata PT_LOAD FLAGS(4) /* Read */;
data PT_LOAD FLAGS(6) /* Read | Write */;
dyn PT_DYNAMIC;
}
SECTIONS
{
/* =========== CODE section =========== */
PROVIDE(__start__ = 0x0);
. = __start__;
__code_start = . ;
/*.trampoline :
{
KEEP (*(.trampoline))
. = ALIGN(8);
} :code
.emuMMC_ctx :
{
KEEP (*(.emuMMC_ctx))
. = ALIGN(8);
} :code */
.crt0 :
{
KEEP (*(.crt0))
. = ALIGN(8);
} :code
.init :
{
KEEP( *(.init) )
. = ALIGN(8);
} :code
.plt :
{
*(.plt)
*(.iplt)
. = ALIGN(8);
} :code
.text :
{
*(.text.unlikely .text.*_unlikely .text.unlikely.*)
*(.text.exit .text.exit.*)
*(.text.startup .text.startup.*)
*(.text.hot .text.hot.*)
*(.text .stub .text.* .gnu.linkonce.t.*)
. = ALIGN(8);
} :code
.fini :
{
KEEP( *(.fini) )
. = ALIGN(8);
} :code
/* =========== RODATA section =========== */
. = ALIGN(0x1000);
__rodata_start = . ;
.nx-module-name : { KEEP (*(.nx-module-name)) } :rodata
.rodata :
{
*(.rodata .rodata.* .gnu.linkonce.r.*)
. = ALIGN(8);
} :rodata
.eh_frame_hdr : { __eh_frame_hdr_start = .; *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) __eh_frame_hdr_end = .; } :rodata
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } :rodata
.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } :rodata
.gnu_extab : ONLY_IF_RO { *(.gnu_extab*) } : rodata
.dynamic : { *(.dynamic) } :rodata :dyn
.dynsym : { *(.dynsym) } :rodata
.dynstr : { *(.dynstr) } :rodata
.rela.dyn : { *(.rela.*) } :rodata
.interp : { *(.interp) } :rodata
.hash : { *(.hash) } :rodata
.gnu.hash : { *(.gnu.hash) } :rodata
.gnu.version : { *(.gnu.version) } :rodata
.gnu.version_d : { *(.gnu.version_d) } :rodata
.gnu.version_r : { *(.gnu.version_r) } :rodata
.note.gnu.build-id : { *(.note.gnu.build-id) } :rodata
/* =========== DATA section =========== */
. = ALIGN(0x1000);
__data_start = . ;
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) } :data
.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } :data
.gnu_extab : ONLY_IF_RW { *(.gnu_extab*) } : data
.exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } :data
.tdata ALIGN(8) :
{
__tdata_lma = .;
*(.tdata .tdata.* .gnu.linkonce.td.*)
. = ALIGN(8);
__tdata_lma_end = .;
} :data
.tbss ALIGN(8) :
{
*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
. = ALIGN(8);
} :data
.preinit_array ALIGN(8) :
{
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
} :data
.init_array ALIGN(8) :
{
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
} :data
.fini_array ALIGN(8) :
{
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
} :data
.ctors ALIGN(8) :
{
KEEP (*crtbegin.o(.ctors)) /* MUST be first -- GCC requires it */
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} :data
.dtors ALIGN(8) :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} :data
__got_start__ = .;
.got : { *(.got) *(.igot) } :data
.got.plt : { *(.got.plt) *(.igot.plt) } :data
__got_end__ = .;
.data ALIGN(8) :
{
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
} :data
__bss_start__ = .;
.bss ALIGN(8) :
{
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(8);
/* Reserve space for the TLS segment of the main thread */
__tls_start = .;
. += + SIZEOF(.tdata) + SIZEOF(.tbss);
__tls_end = .;
} : data
__bss_end__ = .;
. = ALIGN(0x1000);
__end__ = ABSOLUTE(.) ;
PROVIDE(__injected_size__ = (__end__ - __start__));
/* ==================
==== Metadata ====
================== */
/* Discard sections that difficult post-processing */
/DISCARD/ : { *(.group .comment .note) }
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
/* 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) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
}

8
emummc/nx/switch.specs
View file

@ -1,8 +0,0 @@
%rename link old_link
*link:
%(old_link) -T %:getenv(PWD /nx/switch.ld) -pie --gc-sections -z text -z nodynamic-undefined-weak --build-id=sha1 --nx-module-name
*startfile:
crti%O%s crtbegin%O%s

81
emummc/nx/switch_rules
View file

@ -1,81 +0,0 @@
ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro)
endif
include $(DEVKITPRO)/devkitA64/base_rules
PORTLIBS := $(PORTLIBS_PATH)/switch
PATH := $(PORTLIBS)/bin:$(PATH)
LIBNX ?= $(DEVKITPRO)/libnx
ifeq ($(strip $(APP_TITLE)),)
APP_TITLE := $(notdir $(OUTPUT))
endif
ifeq ($(strip $(APP_AUTHOR)),)
APP_AUTHOR := Unspecified Author
endif
ifeq ($(strip $(APP_VERSION)),)
APP_VERSION := 1.0.0
endif
ifeq ($(strip $(APP_ICON)),)
APP_ICON := $(LIBNX)/default_icon.jpg
endif
#---------------------------------------------------------------------------------
%.nacp: $(MAKEFILE_LIST)
@nacptool --create "$(APP_TITLE)" "$(APP_AUTHOR)" "$(APP_VERSION)" $@ $(NACPFLAGS)
@echo built ... $(notdir $@)
#---------------------------------------------------------------------------------
%.npdm: $(APP_JSON)
@npdmtool $< $@
@echo built ... $(notdir $@)
#---------------------------------------------------------------------------------
define make_pfs0
@mkdir -p exefs
@[ $(BUILD_EXEFS_SRC) ] && [ -d $(BUILD_EXEFS_SRC) ] && cp -R $(BUILD_EXEFS_SRC)/* exefs || echo > /dev/null
@cp $*.nso exefs/main
@[ $(APP_JSON) ] && cp $*.npdm exefs/main.npdm || echo > /dev/null
@build_pfs0 exefs $@
@echo built ... $(notdir $@)
endef
ifeq ($(strip $(APP_JSON)),)
%.pfs0: %.nso
else
%.pfs0: %.nso %.npdm
endif
$(make_pfs0)
ifeq ($(strip $(APP_JSON)),)
%.nsp: %.nso
else
%.nsp: %.nso %.npdm
endif
$(make_pfs0)
#---------------------------------------------------------------------------------
%.nso: %.elf
@elf2nso $< $@
@echo built ... $(notdir $@)
#---------------------------------------------------------------------------------
%.nro: %.elf
@elf2nro $< $@ $(NROFLAGS)
@echo built ... $(notdir $@)
#---------------------------------------------------------------------------------
%.kip: %.elf
@elf2kip $< $(APP_JSON) $@
@echo built ... $(notdir $@)
#---------------------------------------------------------------------------------
%.elf:
@echo linking $(notdir $@)
@$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
@$(NM) -CSn $@ > $(notdir $*.lst)

4
emummc/source/main.c
View file

@ -40,7 +40,7 @@ uintptr_t text_base;
char inner_heap[INNER_HEAP_SIZE]; char inner_heap[INNER_HEAP_SIZE];
size_t inner_heap_size = INNER_HEAP_SIZE; size_t inner_heap_size = INNER_HEAP_SIZE;
extern char _start; extern char _start;
extern char __injected_size__; extern char __argdata__;
// Nintendo Path // Nintendo Path
// TODO // TODO
@ -53,7 +53,7 @@ static char nintendo_path_contents_100[0x100] = "/Nintendo/Contents";
static const fs_offsets_t *fs_offsets; static const fs_offsets_t *fs_offsets;
// Defined by linkerscript // Defined by linkerscript
#define INJECTED_SIZE ((uintptr_t)&__injected_size__ - (uintptr_t)&_start) #define INJECTED_SIZE ((uintptr_t)&__argdata__ - (uintptr_t)&_start)
#define INJECT_OFFSET(type, offset) (type)(text_base + INJECTED_SIZE + offset) #define INJECT_OFFSET(type, offset) (type)(text_base + INJECTED_SIZE + offset)
#define GENERATE_ADD(register, register_target, value) (0x91000000 | value << 10 | register << 5 | register_target) #define GENERATE_ADD(register, register_target, value) (0x91000000 | value << 10 | register << 5 | register_target)

3147
emummc/source/nx/elf.h
View file

File diff suppressed because it is too large Load diff

4
emummc/source/nx/start.s
View file

@ -78,7 +78,7 @@ startup:
MOV W0, #0xFFFF8001 MOV W0, #0xFFFF8001
ADR X1, __data_start ADR X1, __data_start
ADR X2, __end__ ADR X2, __argdata__
SUB X2, X2, X1 SUB X2, X2, X1
MOV X3, #3 MOV X3, #3
SVC 0x73 SVC 0x73
@ -127,5 +127,5 @@ bss_loop:
MOV X30, X27 MOV X30, X27
# FS main # FS main
ADR X16, __injected_size__ ADRP X16, __argdata__
BR X16 BR X16