support for x86-64 arch
This commit is contained in:
Christian Kroll
parent
b832adc6ce
commit
d90b187a2f
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@ -29,6 +29,7 @@ LDFLAGS += -T ./avr5.x -mmcu=$(MCU)
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#Settings for Simulator build
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#Settings for Simulator build
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OSTYPE = $(shell echo $$OSTYPE)
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OSTYPE = $(shell echo $$OSTYPE)
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MACHINE = $(shell uname -m)
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#$(info $(OSTYPE))
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#$(info $(OSTYPE))
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ifeq ($(OSTYPE),cygwin)
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ifeq ($(OSTYPE),cygwin)
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@ -37,7 +38,11 @@ ifeq ($(OSTYPE),cygwin)
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LIBS_SIM = -lglut32 -lglu32 -lopengl32
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LIBS_SIM = -lglut32 -lglu32 -lopengl32
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else
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else
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CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O2
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CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O2
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ifeq ($(MACHINE),x86_64)
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LDFLAGS_SIM = -Wl -T simulator/elf_x86_64.x
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else
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LDFLAGS_SIM = -Wl -T simulator/elf_i386.x
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LDFLAGS_SIM = -Wl -T simulator/elf_i386.x
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endif
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LIBS_SIM = -lglut -lpthread -lGL -lGLU
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LIBS_SIM = -lglut -lpthread -lGL -lGLU
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endif
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endif
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@ -0,0 +1,224 @@
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/* Default linker script, for normal executables */
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OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
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"elf64-x86-64")
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OUTPUT_ARCH(i386:x86-64)
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ENTRY(_start)
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SEARCH_DIR("/usr/x86_64-linux-gnu/lib64"); SEARCH_DIR("/usr/local/lib64"); SEARCH_DIR("/lib64"); SEARCH_DIR("/usr/lib64"); SEARCH_DIR("/usr/x86_64-linux-gnu/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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PROVIDE (__executable_start = 0x400000); . = 0x400000 + SIZEOF_HEADERS;
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.interp : { *(.interp) }
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.note.gnu.build-id : { *(.note.gnu.build-id) }
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.rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
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.rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
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.rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
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.rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
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.rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
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.rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
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.rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
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.rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
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.rel.ldata : { *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) }
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.rel.lbss : { *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) }
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.rel.plt : { *(.rel.plt) }
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.rela.plt : { *(.rela.plt) }
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.init :
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{
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KEEP (*(.init))
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} =0x90909090
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.plt : { *(.plt) }
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.text :
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{
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*(.text .stub .text.* .gnu.linkonce.t.*)
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KEEP (*(.text.*personality*))
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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} =0x90909090
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.fini :
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{
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KEEP (*(.fini))
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} =0x90909090
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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.rodata1 : { *(.rodata1) }
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.eh_frame_hdr : { *(.eh_frame_hdr) }
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.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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. = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
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/* Exception handling */
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.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
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/* Thread Local Storage sections */
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.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
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.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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}
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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}
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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PROVIDE_HIDDEN (__fini_array_end = .);
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}
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.ctors :
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{
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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.dtors :
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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}
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.jcr : { KEEP (*(.jcr)) }
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.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
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.dynamic : { *(.dynamic) }
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.got : { *(.got) }
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. = DATA_SEGMENT_RELRO_END (24, .);
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.data :
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{
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PROVIDE (_eeprom_start__ = .);
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*(.eeprom)
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. = ALIGN(8) ;
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PROVIDE (_game_descriptors_start__ = .);
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*(.game_descriptors)
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PROVIDE (_game_descriptors_end__ = .);
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KEEP (*(.gnu.linkonce.d.*personality*))
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SORT(CONSTRUCTORS)
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}
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.data1 : { *(.data1) }
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*(COMMON)
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.bss section disappears because there are no input sections.
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FIXME: Why do we need it? When there is no .bss section, we don't
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pad the .data section. */
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. = ALIGN(. != 0 ? 64 / 8 : 1);
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*(LARGE_COMMON)
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}
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. = ALIGN(64 / 8);
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{
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. = ALIGN(. != 0 ? 64 / 8 : 1);
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}
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. = ALIGN(64 / 8);
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_end = .; PROVIDE (end = .);
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. = DATA_SEGMENT_END (.);
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/* DWARF debug sections.
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of the section so we begin them at 0. */
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/* DWARF 1 */
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/* GNU DWARF 1 extensions */
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/* DWARF 1.1 and DWARF 2 */
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/* DWARF 2 */
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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/* DWARF 3 */
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
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}
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