diff --git a/emummc/Makefile b/emummc/Makefile index f902447aa..fbfcc6063 100644 --- a/emummc/Makefile +++ b/emummc/Makefile @@ -32,7 +32,7 @@ CFLAGS += $(INCLUDE) -D__SWITCH__ CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++17 ASFLAGS := -g $(ARCH) -LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) +LDFLAGS = -specs=$(EMUMMCDIR)/emummc.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) ifneq ($(BUILD),$(notdir $(CURDIR))) diff --git a/emummc/emummc.ld b/emummc/emummc.ld new file mode 100644 index 000000000..48bf24b94 --- /dev/null +++ b/emummc/emummc.ld @@ -0,0 +1,201 @@ +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 = . ; + + .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_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)) ) + KEEP( *(.init_array .ctors) ) + PROVIDE (__init_array_end = .); + } :data + + .fini_array ALIGN(8) : + { + PROVIDE (__fini_array_start = .); + KEEP( *(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)) ) + KEEP( *(.fini_array .dtors) ) + PROVIDE (__fini_array_end = .); + } :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__ = .; + + __end__ = ABSOLUTE(.) ; + + . = ALIGN(0x1000); + __argdata__ = ABSOLUTE(.) ; + + /* ================== + ==== 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) } +} diff --git a/emummc/emummc.specs b/emummc/emummc.specs new file mode 100644 index 000000000..828da3d28 --- /dev/null +++ b/emummc/emummc.specs @@ -0,0 +1,8 @@ +%rename link old_link + +*link: +%(old_link) -T %:getenv(TOPDIR /emummc.ld) -pie --no-dynamic-linker --spare-dynamic-tags=0 --gc-sections -z text -z nodynamic-undefined-weak --build-id=sha1 --nx-module-name + +*startfile: +crti%O%s crtbegin%O%s +