From 2919187ae14887c464c3d34e826906974b2b3e6f Mon Sep 17 00:00:00 2001 From: Christian Kroll Date: Sun, 13 Jul 2014 07:22:05 +0200 Subject: [PATCH] OpenBSD support (only amd64 verfified) --- config.in | 1 - defaults.mk | 183 +++++++++++++++++--------------- ld_scripts/elf_i386_obsd.xd | 193 ++++++++++++++++++++++++++++++++++ ld_scripts/elf_x86_64_obsd.xd | 193 ++++++++++++++++++++++++++++++++++ 4 files changed, 484 insertions(+), 86 deletions(-) create mode 100644 ld_scripts/elf_i386_obsd.xd create mode 100644 ld_scripts/elf_x86_64_obsd.xd diff --git a/config.in b/config.in index 6ed2601..708b3d3 100644 --- a/config.in +++ b/config.in @@ -64,7 +64,6 @@ source src/can/config.in ### Borg Menu ################################################################# dep_bool "Menu Support" MENU_SUPPORT $JOYSTICK_SUPPORT -depends on JOYSTICK_SUPPORT ############################################################################### diff --git a/defaults.mk b/defaults.mk index 060d059..89d43ba 100644 --- a/defaults.mk +++ b/defaults.mk @@ -36,69 +36,85 @@ OSTYPE = $(shell uname) MACHINE = $(shell uname -m) ifeq ($(findstring CYGWIN,$(OSTYPE)),CYGWIN) - CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O0 -D_WIN32 -D_XOPEN_SOURCE=600 - ifeq ($(MACHINE),x86_64) - LDFLAGS_SIM = -T ld_scripts/i386pep.x - else - ifeq ($(MACHINE),i686) - LDFLAGS_SIM = -T ld_scripts/i386pe.x - else - $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) - endif - endif - LIBS_SIM = -lgdi32 -lwinmm -lm + CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O0 -D_WIN32 -D_XOPEN_SOURCE=600 + ifeq ($(MACHINE),x86_64) + LDFLAGS_SIM = -T ld_scripts/i386pep.x + else + ifeq ($(MACHINE),i686) + LDFLAGS_SIM = -T ld_scripts/i386pe.x + else + $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) + endif + endif + LIBS_SIM = -lgdi32 -lwinmm -lm else - ifeq ($(OSTYPE),FreeBSD) - CFLAGS_SIM = -g -I/usr/local/include -Wall -pedantic -std=c99 -O0 - CFLAGS_SIM += -D_XOPEN_SOURCE=600 - ifeq ($(MACHINE),amd64) - LDFLAGS_SIM = -L/usr/local/lib -T ld_scripts/elf_x86_64_fbsd.x - else - ifeq ($(MACHINE),i386) - LDFLAGS_SIM = -L/usr/local/lib -T ld_scripts/elf_i386_fbsd.x - else - $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) - endif - endif - LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm - else - ifeq ($(OSTYPE),NetBSD) - CFLAGS_SIM = -g -I /usr/pkg/include -I/usr/X11R7/include -Wall -pedantic -std=c99 -O0 - CFLAGS_SIM += -D_XOPEN_SOURCE=600 - ifeq ($(MACHINE),amd64) - LDFLAGS_SIM = -L/usr/pkg/lib -L/usr/X11R7/lib -T ld_scripts/elf_x86_64_nbsd.x -Wl,-R/usr/pkg/lib,-R/usr/X11R7/lib - else - ifeq ($(MACHINE),i386) - LDFLAGS_SIM = -L/usr/pkg/lib -L/usr/X11R7/lib -T ld_scripts/elf_i386_nbsd.x -Wl,-R/usr/pkg/lib,-R/usr/X11R7/lib - else - $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) - endif - endif - LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm - else - ifeq ($(OSTYPE),Linux) - CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O0 -D_XOPEN_SOURCE=600 - ifeq ($(MACHINE),x86_64) - LDFLAGS_SIM = -T ld_scripts/elf_x86_64.x - else - ifeq ($(MACHINE),i686) - LDFLAGS_SIM = -T ld_scripts/elf_i386.x - else - $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) - endif - endif - LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm - else - ($(warning $(n)$(n)Simulator build is not supported on your system.$(n)$(n)\ + ifeq ($(OSTYPE),FreeBSD) + CFLAGS_SIM = -g -I/usr/local/include -Wall -pedantic -std=c99 -O0 + CFLAGS_SIM += -D_XOPEN_SOURCE=600 + ifeq ($(MACHINE),amd64) + LDFLAGS_SIM = -L/usr/local/lib -T ld_scripts/elf_x86_64_fbsd.x + else + ifeq ($(MACHINE),i386) + LDFLAGS_SIM = -L/usr/local/lib -T ld_scripts/elf_i386_fbsd.x + else + $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) + endif + endif + LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm + else + ifeq ($(OSTYPE),NetBSD) + CFLAGS_SIM = -g -I /usr/pkg/include -I/usr/X11R7/include -Wall -pedantic -std=c99 -O0 + CFLAGS_SIM += -D_XOPEN_SOURCE=600 + ifeq ($(MACHINE),amd64) + LDFLAGS_SIM = -L/usr/pkg/lib -L/usr/X11R7/lib -T ld_scripts/elf_x86_64_nbsd.x -Wl,-R/usr/pkg/lib,-R/usr/X11R7/lib + else + ifeq ($(MACHINE),i386) + LDFLAGS_SIM = -L/usr/pkg/lib -L/usr/X11R7/lib -T ld_scripts/elf_i386_nbsd.x -Wl,-R/usr/pkg/lib,-R/usr/X11R7/lib + else + $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) + endif + endif + LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm + else + ifeq ($(OSTYPE),OpenBSD) + CFLAGS_SIM = -g -I/usr/local/include -I/usr/X11R6/include -Wall -pedantic -std=c99 -O0 + CFLAGS_SIM += -D_XOPEN_SOURCE=600 + ifeq ($(MACHINE),amd64) + LDFLAGS_SIM = -L/usr/local/lib -L/usr/X11R6/lib -T ld_scripts/elf_x86_64_obsd.xd + else + ifeq ($(MACHINE),i386) + LDFLAGS_SIM = -L/usr/local/lib -L/usr/X11R6/lib -T ld_scripts/elf_i386_obsd.xd + else + $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) + endif + endif + LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm + else + ifeq ($(OSTYPE),Linux) + CFLAGS_SIM = -g -Wall -pedantic -std=c99 -O0 -D_XOPEN_SOURCE=600 + ifeq ($(MACHINE),x86_64) + LDFLAGS_SIM = -T ld_scripts/elf_x86_64.x + else + ifeq ($(MACHINE),i686) + LDFLAGS_SIM = -T ld_scripts/elf_i386.x + else + $(warning $(n)$(n)Simulator build is only supported on i386 and amd64.$(n)$(n)) + endif + endif + LIBS_SIM = -lglut -lpthread -lGL -lGLU -lm + else + ($(warning $(n)$(n)Simulator build is not supported on your system.$(n)$(n)\ Currently supported platforms:$(n) \ - Linux on i386 and amd64$(n) \ - FreeBSD on i386 and amd64$(n) \ - NetBSD on i386 and amd64$(n) \ - Windows (via Cygwin) on i386 and amd64) - endif - endif - endif +Linux on i386 and amd64$(n) \ +FreeBSD on i386 and amd64$(n) \ +NetBSD on i386 and amd64$(n) \ +Windows (via Cygwin) on i386 and amd64) + endif + endif + endif + endif endif + ############################################################################## # the default target $(TARGET): @@ -106,7 +122,7 @@ $(TARGET): ############################################################################## # include user's config.mk file -$(MAKETOPDIR)/config.mk: +$(MAKETOPDIR)/config.mk: @echo "# Customize your config here!" >$@ @echo "# Add further CFLAGS by using the += operator, eg." >>$@ @echo "# CFLAGS += -mstrict-X" >>$@ @@ -116,38 +132,35 @@ $(MAKETOPDIR)/config.mk: @echo "#" >>$@ @echo "# Other flags you might want to tune: CPPFLAGS, LDFLAGS ..." >>$@ @echo "Created default config.mk, tune your settings there!" --include $(MAKETOPDIR)/config.mk +-include $(MAKETOPDIR)/config.mk ############################################################################## # configure load address for bootloader, if enabled # ifneq ($(MAKECMDGOALS),clean) -ifneq ($(MAKECMDGOALS),mrproper) -ifneq ($(MAKECMDGOALS),menuconfig) - -include $(MAKETOPDIR)/.config - -CPPFLAGS += -DF_CPU=$(FREQ)UL -mmcu=$(MCU) - -# flags for the linker, choose appropriate linker script -ifeq ($(findstring atmega256,$(MCU)),atmega256) - LDFLAGS += -T ld_scripts/avr6.x -Wl,-Map,image.map -mmcu=$(MCU) -else - ifeq ($(findstring atmega128,$(MCU)),atmega128) - LDFLAGS += -T ld_scripts/avr51.x -Wl,-Map,image.map -mmcu=$(MCU) - else - LDFLAGS += -T ld_scripts/avr5.x -Wl,-Map,image.map -mmcu=$(MCU) - endif -endif - -endif # MAKECMDGOALS!=menuconfig -endif # MAKECMDGOALS!=mrproper + ifneq ($(MAKECMDGOALS),mrproper) + ifneq ($(MAKECMDGOALS),menuconfig) + include $(MAKETOPDIR)/.config + CPPFLAGS += -DF_CPU=$(FREQ)UL -mmcu=$(MCU) + + # flags for the linker, choose appropriate linker script + ifeq ($(findstring atmega256,$(MCU)),atmega256) + LDFLAGS += -T ld_scripts/avr6.x -Wl,-Map,image.map -mmcu=$(MCU) + else + ifeq ($(findstring atmega128,$(MCU)),atmega128) + LDFLAGS += -T ld_scripts/avr51.x -Wl,-Map,image.map -mmcu=$(MCU) + else + LDFLAGS += -T ld_scripts/avr5.x -Wl,-Map,image.map -mmcu=$(MCU) + endif + endif + endif # MAKECMDGOALS!=menuconfig + endif # MAKECMDGOALS!=mrproper endif # MAKECMDGOALS!=clean -ifeq ($(BOOTLOADER_SUPPORT),y) - LDFLAGS += -Wl,--section-start=.text=0xE000 - CFLAGS += -mcall-prologues +ifeq ($(BOOTLOADER_SUPPORT),y) + LDFLAGS += -Wl,--section-start=.text=0xE000 + CFLAGS += -mcall-prologues endif diff --git a/ld_scripts/elf_i386_obsd.xd b/ld_scripts/elf_i386_obsd.xd new file mode 100644 index 0000000..3f5b8aa --- /dev/null +++ b/ld_scripts/elf_i386_obsd.xd @@ -0,0 +1,193 @@ +/* Script for ld -pie: link position independent executable */ +OUTPUT_FORMAT("elf32-i386", "elf32-i386", + "elf32-i386") +OUTPUT_ARCH(i386) +ENTRY(_start) +SEARCH_DIR("/usr/lib"); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = 0 + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } + .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } + .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } + .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } + .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } + .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } + .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } + .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } + .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } + .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : + { + KEEP (*(.init)) + } =0x90909090 + .plt : { *(.plt) } + .text : + { + *(.text .stub .text.* .gnu.linkonce.t.*) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } =0x90909090 + .fini : + { + KEEP (*(.fini)) + } =0x90909090 + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + . = ALIGN(0x20000000) + 0x0 ; + .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } + .rodata1 : { *(.rodata1) } + .eh_frame_hdr : { *(.eh_frame_hdr) } + /* Adjust the address for the data segment. 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Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin*.o(.ctors)) + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } + .dtors : + { + KEEP (*crtbegin*.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } + .gotpad1 : { __got_end = .;} . = ALIGN(0x100000) + (. & (0x100000 - 1)); + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .bss : + { + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. */ + . = ALIGN(64 / 8); + } + . = ALIGN(64 / 8); + _end = .; + PROVIDE (end = .); + . = DATA_SEGMENT_END (.); + /* 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) } + .comment 0 : { *(.comment) } + /* 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 .gnu.linkonce.wi.*) } + .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) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /DISCARD/ : { *(.note.GNU-stack) } +}