openwrt/upstream - upstream openwrt

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Diffstat (limited to 'tools/patch-cmdline/Makefile')

0 files changed, 0 insertions, 0 deletions

diff -pruN ../orig-linux-2.6.16.29/arch/i386/kernel/vmlinux.lds.S ./arch/i386/kernel/vmlinux.lds.S --- ../orig-linux-2.6.16.29/arch/i386/kernel/vmlinux.lds.S 2006-09-19 14:05:48.000000000 +0100 +++ ./arch/i386/kernel/vmlinux.lds.S 2006-09-19 14:06:10.000000000 +0100 @@ -12,6 +12,12 @@ OUTPUT_FORMAT("elf32-i386", "elf32-i386" OUTPUT_ARCH(i386) ENTRY(phys_startup_32) jiffies = jiffies_64; + +PHDRS { + text PT_LOAD FLAGS(5); /* R_E */ + data PT_LOAD FLAGS(7); /* RWE */ + note PT_NOTE FLAGS(4); /* R__ */ +} SECTIONS { . = __KERNEL_START; @@ -25,7 +31,7 @@ SECTIONS KPROBES_TEXT *(.fixup) *(.gnu.warning) - } = 0x9090 + } :text = 0x9090 _etext = .; /* End of text section */ @@ -47,7 +53,7 @@ SECTIONS .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ *(.data) CONSTRUCTORS - } + } :data . = ALIGN(4096); __nosave_begin = .; @@ -154,4 +160,6 @@ SECTIONS STABS_DEBUG DWARF_DEBUG + + NOTES } diff -pruN ../orig-linux-2.6.16.29/include/asm-generic/vmlinux.lds.h ./include/asm-generic/vmlinux.lds.h --- ../orig-linux-2.6.16.29/include/asm-generic/vmlinux.lds.h 2006-09-12 19:02:10.000000000 +0100 +++ ./include/asm-generic/vmlinux.lds.h 2006-09-19 14:06:10.000000000 +0100 @@ -152,3 +152,6 @@ .stab.index 0 : { *(.stab.index) } \ .stab.indexstr 0 : { *(.stab.indexstr) } \ .comment 0 : { *(.comment) } + +#define NOTES \ + .notes : { *(.note.*) } :note diff -pruN ../orig-linux-2.6.16.29/include/linux/elfnote.h ./include/linux/elfnote.h --- ../orig-linux-2.6.16.29/include/linux/elfnote.h 1970-01-01 01:00:00.000000000 +0100 +++ ./include/linux/elfnote.h 2006-09-19 14:06:10.000000000 +0100 @@ -0,0 +1,88 @@ +#ifndef _LINUX_ELFNOTE_H +#define _LINUX_ELFNOTE_H +/* + * Helper macros to generate ELF Note structures, which are put into a + * PT_NOTE segment of the final vmlinux image. These are useful for + * including name-value pairs of metadata into the kernel binary (or + * modules?) for use by external programs. + * + * Each note has three parts: a name, a type and a desc. The name is + * intended to distinguish the note's originator, so it would be a + * company, project, subsystem, etc; it must be in a suitable form for + * use in a section name. The type is an integer which is used to tag + * the data, and is considered to be within the "name" namespace (so + * "FooCo"'s type 42 is distinct from "BarProj"'s type 42). The + * "desc" field is the actual data. There are no constraints on the + * desc field's contents, though typically they're fairly small. + * + * All notes from a given NAME are put into a section named + * .note.NAME. When the kernel image is finally linked, all the notes + * are packed into a single .notes section, which is mapped into the + * PT_NOTE segment. Because notes for a given name are grouped into + * the same section, they'll all be adjacent the output file. + * + * This file defines macros for both C and assembler use. Their + * syntax is slightly different, but they're semantically similar. + * + * See the ELF specification for more detail about ELF notes. + */ + +#ifdef __ASSEMBLER__ +/* + * Generate a structure with the same shape as Elf{32,64}_Nhdr (which + * turn out to be the same size and shape), followed by the name and + * desc data with appropriate padding. The 'desc' argument includes + * the assembler pseudo op defining the type of the data: .asciz + * "hello, world" + */ +.macro ELFNOTE name type desc:vararg +.pushsection ".note.\name" + .align 4 + .long 2f - 1f /* namesz */ + .long 4f - 3f /* descsz */ + .long \type +1:.asciz "\name" +2:.align 4 +3:\desc +4:.align 4 +.popsection +.endm +#else /* !__ASSEMBLER__ */ +#include <linux/elf.h> +/* + * Use an anonymous structure which matches the shape of + * Elf{32,64}_Nhdr, but includes the name and desc data. The size and + * type of name and desc depend on the macro arguments. "name" must + * be a literal string, and "desc" must be passed by value. You may + * only define one note per line, since __LINE__ is used to generate + * unique symbols. + */ +#define _ELFNOTE_PASTE(a,b) a##b +#define _ELFNOTE(size, name, unique, type, desc) \ + static const struct { \ + struct elf##size##_note _nhdr; \ + unsigned char _name[sizeof(name)] \ + __attribute__((aligned(sizeof(Elf##size##_Word)))); \ + typeof(desc) _desc \ + __attribute__((aligned(sizeof(Elf##size##_Word)))); \ + } _ELFNOTE_PASTE(_note_, unique) \ + __attribute_used__ \ + __attribute__((section(".note." name), \ + aligned(sizeof(Elf##size##_Word)), \ + unused)) = { \ + { \ + sizeof(name), \ + sizeof(desc), \ + type, \ + }, \ + name, \ + desc \ + } +#define ELFNOTE(size, name, type, desc) \ + _ELFNOTE(size, name, __LINE__, type, desc) + +#define ELFNOTE32(name, type, desc) ELFNOTE(32, name, type, desc) +#define ELFNOTE64(name, type, desc) ELFNOTE(64, name, type, desc) +#endif /* __ASSEMBLER__ */ + +#endif /* _LINUX_ELFNOTE_H */


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