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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OSTYPE = $(shell echo $$OSTYPE)
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MACHINE = $(shell uname -m)
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#$(info $(OSTYPE))
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ifeq ($(OSTYPE),cygwin)
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@ -37,7 +38,11 @@ ifeq ($(OSTYPE),cygwin)
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LIBS_SIM = -lglut32 -lglu32 -lopengl32
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else
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CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O2
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LDFLAGS_SIM = -Wl -T simulator/elf_i386.x
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ifeq ($(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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endif
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LIBS_SIM = -lglut -lpthread -lGL -lGLU
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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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KEEP (*(.fini))
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} =0x90909090
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PROVIDE_HIDDEN (__preinit_array_end = .);
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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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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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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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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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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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FIXME: Why do we need it? When there is no .bss section, we don't
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