diff options
| -rw-r--r-- | linux-cfg.ld | 36 | ||||
| -rw-r--r-- | mk.conf | 11 | ||||
| -rw-r--r-- | mk/linux/b.sh (renamed from mk/b.sh) | 3 | ||||
| -rw-r--r-- | mk/netbsd/b.sh | 9 | ||||
| -rw-r--r-- | netbsd-cfg.ld (renamed from cfg.ld) | 26 | ||||
| -rw-r--r-- | src/netbsd-note.s (renamed from src/note.s) | 0 |
6 files changed, 58 insertions, 27 deletions
| diff --git a/linux-cfg.ld b/linux-cfg.ld new file mode 100644 index 0000000..b2a5f17 --- /dev/null +++ b/linux-cfg.ld | |||
| @@ -0,0 +1,36 @@ | |||
| 1 | OUTPUT_FORMAT("elf64-x86-64") | ||
| 2 | OUTPUT_ARCH("i386:x86-64") | ||
| 3 | ENTRY(_start) | ||
| 4 | MAXPAGESIZE = 0; | ||
| 5 | |||
| 6 | SECTIONS | ||
| 7 | { | ||
| 8 | . = 0x100000; /* start at 1mb. */ | ||
| 9 | |||
| 10 | .text : | ||
| 11 | { | ||
| 12 | *(.text.startup) | ||
| 13 | *(.text) | ||
| 14 | *(.rodata) | ||
| 15 | *(.data) | ||
| 16 | } | ||
| 17 | |||
| 18 | .bss : | ||
| 19 | { | ||
| 20 | *(.bss) | ||
| 21 | } | ||
| 22 | |||
| 23 | /DISCARD/ : | ||
| 24 | { | ||
| 25 | *(.comment) | ||
| 26 | *(.eh_frame) | ||
| 27 | *(.eh_frame_hdr) | ||
| 28 | *(.debug_*) | ||
| 29 | *(.symtab) | ||
| 30 | *(.strtab) | ||
| 31 | *(.shstrtab) | ||
| 32 | } | ||
| 33 | } | ||
| 34 | |||
| 35 | PROVIDE(__stack = 0x400000); | ||
| 36 | PROVIDE(_end = .); | ||
| diff --git a/mk.conf b/mk.conf index 8f3ff1f..c520246 100644 --- a/mk.conf +++ b/mk.conf | |||
| @@ -4,8 +4,8 @@ out="out" | |||
| 4 | bin="$out/bin" | 4 | bin="$out/bin" |
| 5 | bin_ln="bin" | 5 | bin_ln="bin" |
| 6 | 6 | ||
| 7 | note_src="$src/note.s" | 7 | netbsd_note_src="$src/netbsd-note.s" |
| 8 | note_bin="$out/note.o" | 8 | netbsd_note_bin="$out/netbsd-note.o" |
| 9 | start_src="$src/start.s" | 9 | start_src="$src/start.s" |
| 10 | start_bin="$out/start.o" | 10 | start_bin="$out/start.o" |
| 11 | main_src="$src/main.c" | 11 | main_src="$src/main.c" |
| @@ -14,10 +14,11 @@ main_bin="$out/main.o" | |||
| 14 | ln="ln" | 14 | ln="ln" |
| 15 | as="as" | 15 | as="as" |
| 16 | ld="ld" | 16 | ld="ld" |
| 17 | ld_cfg="cfg.ld" | 17 | ld_netbsd_cfg="netbsd-cfg.ld" |
| 18 | ld_linux_cfg="linux-cfg.ld" | ||
| 18 | cc="gcc" | 19 | cc="gcc" |
| 19 | 20 | ||
| 20 | lnflgs="-sf" | 21 | lnflgs="-sf" |
| 21 | asflgs="" | 22 | asflgs="" |
| 22 | ldflgs="-O0 -static -no-pie -T $ld_cfg" | 23 | ldflgs="-Os -s -static -no-pie --omagic -N -z nosectionheader --no-warn-rwx-segments" |
| 23 | ccflgs="-nostdlib -ffreestanding -fno-pie -fno-builtin -std=c99 -O0 -g0" | 24 | ccflgs="-nostdlib -ffreestanding -fno-pie -fno-builtin -std=c99 -Os -pipe -s -g0 -I$src" |
| diff --git a/mk/b.sh b/mk/linux/b.sh index d8b27d5..c9b9b04 100644 --- a/mk/b.sh +++ b/mk/linux/b.sh | |||
| @@ -2,8 +2,7 @@ | |||
| 2 | set -e | 2 | set -e |
| 3 | 3 | ||
| 4 | mkdir $out | 4 | mkdir $out |
| 5 | $as $asflgs -o $note_bin $note_src | ||
| 6 | $as $asflgs -o $start_bin $start_src | 5 | $as $asflgs -o $start_bin $start_src |
| 7 | $cc $ccflgs -o $main_bin -c $main_src | 6 | $cc $ccflgs -o $main_bin -c $main_src |
| 8 | $ld $ldflgs -o $bin $note_bin $start_bin $main_bin | 7 | $ld $ldflgs -T $ld_linux_cfg -o $bin $start_bin $main_bin |
| 9 | $ln $lnflgs $bin $bin_ln | 8 | $ln $lnflgs $bin $bin_ln |
| diff --git a/mk/netbsd/b.sh b/mk/netbsd/b.sh new file mode 100644 index 0000000..6a4251c --- /dev/null +++ b/mk/netbsd/b.sh | |||
| @@ -0,0 +1,9 @@ | |||
| 1 | . ./mk.conf | ||
| 2 | set -e | ||
| 3 | |||
| 4 | mkdir $out | ||
| 5 | $as $asflgs -o $netbsd_note_bin $netbsd_note_src | ||
| 6 | $as $asflgs -o $start_bin $start_src | ||
| 7 | $cc $ccflgs -o $main_bin -c $main_src | ||
| 8 | $ld $ldflgs -T $ld_netbsd_cfg -o $bin $netbsd_note_bin $start_bin $main_bin | ||
| 9 | $ln $lnflgs $bin $bin_ln | ||
| diff --git a/cfg.ld b/netbsd-cfg.ld index a4dc193..235af62 100644 --- a/cfg.ld +++ b/netbsd-cfg.ld | |||
| @@ -1,38 +1,26 @@ | |||
| 1 | OUTPUT_FORMAT("elf64-x86-64") | 1 | OUTPUT_FORMAT("elf64-x86-64") |
| 2 | OUTPUT_ARCH("i386:x86-64") | 2 | OUTPUT_ARCH("i386:x86-64") |
| 3 | ENTRY(_start) | 3 | ENTRY(_start) |
| 4 | MAXPAGESIZE = 0; | ||
| 4 | 5 | ||
| 5 | SECTIONS | 6 | SECTIONS |
| 6 | { | 7 | { |
| 7 | . = 0x100000; /* start at 1mb. */ | 8 | . = 0x100000; /* start at 1mb. */ |
| 8 | 9 | ||
| 9 | .text : ALIGN(4K) | 10 | .text : |
| 10 | { | 11 | { |
| 11 | *(.text.startup) | 12 | *(.text.startup) |
| 12 | *(.text) | 13 | *(.text) |
| 13 | *(.text.*) | ||
| 14 | } | ||
| 15 | |||
| 16 | .rodata : ALIGN(4K) | ||
| 17 | { | ||
| 18 | *(.rodata) | 14 | *(.rodata) |
| 19 | *(.rodata.*) | ||
| 20 | } | ||
| 21 | |||
| 22 | .data : ALIGN(4K) | ||
| 23 | { | ||
| 24 | *(.data) | 15 | *(.data) |
| 25 | *(.data.*) | ||
| 26 | } | 16 | } |
| 27 | 17 | ||
| 28 | .bss : ALIGN(4K) | 18 | .bss : |
| 29 | { | 19 | { |
| 30 | *(.bss) | 20 | *(.bss) |
| 31 | *(.bss.*) | ||
| 32 | *(COMMON) | ||
| 33 | } | 21 | } |
| 34 | 22 | ||
| 35 | .note.netbsd.ident : ALIGN(4) | 23 | .note.netbsd.ident : |
| 36 | { | 24 | { |
| 37 | *(.note.netbsd.ident) | 25 | *(.note.netbsd.ident) |
| 38 | } | 26 | } |
| @@ -43,11 +31,9 @@ SECTIONS | |||
| 43 | *(.eh_frame) | 31 | *(.eh_frame) |
| 44 | *(.eh_frame_hdr) | 32 | *(.eh_frame_hdr) |
| 45 | *(.debug_*) | 33 | *(.debug_*) |
| 46 | *(.stab) | ||
| 47 | *(.stabstr) | ||
| 48 | *(.shstrtab) | ||
| 49 | *(.strtab) | ||
| 50 | *(.symtab) | 34 | *(.symtab) |
| 35 | *(.strtab) | ||
| 36 | *(.shstrtab) | ||
| 51 | } | 37 | } |
| 52 | } | 38 | } |
| 53 | 39 | ||
| diff --git a/src/note.s b/src/netbsd-note.s index a8b606e..a8b606e 100644 --- a/src/note.s +++ b/src/netbsd-note.s | |||
