FM / asm

/usr/src/linux-headers-5.15.0-181/arch/mips/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/mips/include/asm

Name	Size	Mode	Actions
dec/	-	0755	rm
fw/	-	0755	rm
ip32/	-	0755	rm
mach-ar7/	-	0755	rm
mach-ath25/	-	0755	rm
mach-ath79/	-	0755	rm
mach-au1x00/	-	0755	rm
mach-bcm47xx/	-	0755	rm
mach-bcm63xx/	-	0755	rm
mach-bmips/	-	0755	rm
mach-cavium-octeon/	-	0755	rm
mach-cobalt/	-	0755	rm
mach-db1x00/	-	0755	rm
mach-dec/	-	0755	rm
mach-generic/	-	0755	rm
mach-ingenic/	-	0755	rm
mach-ip22/	-	0755	rm
mach-ip27/	-	0755	rm
mach-ip28/	-	0755	rm
mach-ip30/	-	0755	rm
mach-ip32/	-	0755	rm
mach-jazz/	-	0755	rm
mach-lantiq/	-	0755	rm
mach-loongson2ef/	-	0755	rm
mach-loongson32/	-	0755	rm
mach-loongson64/	-	0755	rm
mach-malta/	-	0755	rm
mach-n64/	-	0755	rm
mach-netlogic/	-	0755	rm
mach-pic32/	-	0755	rm
mach-ralink/	-	0755	rm
mach-rc32434/	-	0755	rm
mach-rm/	-	0755	rm
mach-sibyte/	-	0755	rm
mach-tx39xx/	-	0755	rm
mach-tx49xx/	-	0755	rm
mach-vr41xx/	-	0755	rm
mips-boards/	-	0755	rm
netlogic/	-	0755	rm
octeon/	-	0755	rm
pci/	-	0755	rm
sgi/	-	0755	rm
sibyte/	-	0755	rm
sn/	-	0755	rm
txx9/	-	0755	rm
vdso/	-	0755	rm
vr41xx/	-	0755	rm
xtalk/	-	0755	rm
abi.h	853	0644	edit dl rm
addrspace.h	4039	0644	edit dl rm
amon.h	409	0644	edit dl rm
arch_hweight.h	792	0644	edit dl rm
asm-eva.h	7343	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	228	0644	edit dl rm
asm.h	6688	0644	edit dl rm
asmmacro-32.h	2529	0644	edit dl rm
asmmacro-64.h	1254	0644	edit dl rm
asmmacro.h	14639	0644	edit dl rm
atomic.h	8299	0644	edit dl rm
barrier.h	3507	0644	edit dl rm
bcache.h	2086	0644	edit dl rm
bitops.h	10914	0644	edit dl rm
bitrev.h	608	0644	edit dl rm
bmips-spaces.h	268	0644	edit dl rm
bmips.h	3097	0644	edit dl rm
bootinfo.h	4928	0644	edit dl rm
branch.h	2503	0644	edit dl rm
break.h	787	0644	edit dl rm
bug.h	759	0644	edit dl rm
bugs.h	640	0644	edit dl rm
cache.h	527	0644	edit dl rm
cacheflush.h	4863	0644	edit dl rm
cacheops.h	3801	0644	edit dl rm
cdmm.h	3761	0644	edit dl rm
cevt-r4k.h	823	0644	edit dl rm
checksum.h	5743	0644	edit dl rm
clocksource.h	273	0644	edit dl rm
cmp.h	492	0644	edit dl rm
cmpxchg.h	8880	0644	edit dl rm
compat-signal.h	640	0644	edit dl rm
compat.h	3866	0644	edit dl rm
compiler.h	2669	0644	edit dl rm
cop2.h	1812	0644	edit dl rm
cpu-features.h	22752	0644	edit dl rm
cpu-info.h	6303	0644	edit dl rm
cpu-type.h	4256	0644	edit dl rm
cpu.h	16955	0644	edit dl rm
cpufeature.h	510	0644	edit dl rm
debug.h	447	0644	edit dl rm
delay.h	841	0644	edit dl rm
div64.h	2223	0644	edit dl rm
dma-direct.h	255	0644	edit dl rm
dma-mapping.h	365	0644	edit dl rm
dma.h	10161	0644	edit dl rm
dmi.h	547	0644	edit dl rm
ds1287.h	333	0644	edit dl rm
dsemul.h	3595	0644	edit dl rm
dsp.h	1747	0644	edit dl rm
edac.h	839	0644	edit dl rm
elf.h	15559	0644	edit dl rm
elfcore-compat.h	841	0644	edit dl rm
errno.h	429	0644	edit dl rm
eva.h	796	0644	edit dl rm
exec.h	579	0644	edit dl rm
extable.h	241	0644	edit dl rm
fb.h	372	0644	edit dl rm
fixmap.h	2219	0644	edit dl rm
floppy.h	1609	0644	edit dl rm
fpregdef.h	2726	0644	edit dl rm
fpu.h	7332	0644	edit dl rm
fpu_emulator.h	4844	0644	edit dl rm
ftrace.h	2659	0644	edit dl rm
futex.h	5241	0644	edit dl rm
ginvt.h	1056	0644	edit dl rm
gio_device.h	1411	0644	edit dl rm
gt64120.h	19218	0644	edit dl rm
hardirq.h	544	0644	edit dl rm
hazards.h	8673	0644	edit dl rm
highmem.h	1741	0644	edit dl rm
hpet.h	1974	0644	edit dl rm
hugetlb.h	2165	0644	edit dl rm
hw_irq.h	475	0644	edit dl rm
i8259.h	2440	0644	edit dl rm
ide.h	330	0644	edit dl rm
idle.h	727	0644	edit dl rm
inst.h	2398	0644	edit dl rm
io.h	17334	0644	edit dl rm
irq.h	2408	0644	edit dl rm
irqflags.h	4206	0644	edit dl rm
irq_cpu.h	427	0644	edit dl rm
irq_gt641xx.h	2074	0644	edit dl rm
irq_regs.h	540	0644	edit dl rm
isa-rev.h	556	0644	edit dl rm
isadep.h	603	0644	edit dl rm
jazz.h	8192	0644	edit dl rm
jazzdma.h	2826	0644	edit dl rm
jump_label.h	1571	0644	edit dl rm
Kbuild	414	0644	edit dl rm
kdebug.h	303	0644	edit dl rm
kexec.h	1490	0644	edit dl rm
kgdb.h	1222	0644	edit dl rm
kprobes.h	1727	0644	edit dl rm
kvm_host.h	30488	0644	edit dl rm
kvm_types.h	184	0644	edit dl rm
linkage.h	306	0644	edit dl rm
llsc.h	923	0644	edit dl rm
local.h	5473	0644	edit dl rm
maar.h	4270	0644	edit dl rm
machine.h	2795	0644	edit dl rm
mc146818-time.h	3779	0644	edit dl rm
mc146818rtc.h	450	0644	edit dl rm
mips-cm.h	16857	0644	edit dl rm
mips-cpc.h	5766	0644	edit dl rm
mips-cps.h	6494	0644	edit dl rm
mips-gic.h	12387	0644	edit dl rm
mips-r2-to-r6-emul.h	2095	0644	edit dl rm
mipsmtregs.h	11171	0644	edit dl rm
mipsprom.h	2146	0644	edit dl rm
mipsregs.h	96792	0644	edit dl rm
mips_mt.h	707	0644	edit dl rm
mmiowb.h	197	0644	edit dl rm
mmu.h	555	0644	edit dl rm
mmu_context.h	6205	0644	edit dl rm
mmzone.h	427	0644	edit dl rm
module.h	2388	0644	edit dl rm
msa.h	7525	0644	edit dl rm
msc01_ic.h	6709	0644	edit dl rm
paccess.h	3140	0644	edit dl rm
page.h	7610	0644	edit dl rm
pci.h	3902	0644	edit dl rm
perf_event.h	336	0644	edit dl rm
pgalloc.h	2571	0644	edit dl rm
pgtable-32.h	8149	0644	edit dl rm
pgtable-64.h	9709	0644	edit dl rm
pgtable-bits.h	7852	0644	edit dl rm
pgtable.h	18529	0644	edit dl rm
pm-cps.h	1515	0644	edit dl rm
pm.h	3871	0644	edit dl rm
prefetch.h	2148	0644	edit dl rm
processor.h	11321	0644	edit dl rm
prom.h	696	0644	edit dl rm
ptrace.h	5582	0644	edit dl rm
r4k-timer.h	604	0644	edit dl rm
r4kcache.h	11373	0644	edit dl rm
reboot.h	440	0644	edit dl rm
reg.h	26	0644	edit dl rm
regdef.h	2693	0644	edit dl rm
rtlx.h	2148	0644	edit dl rm
seccomp.h	810	0644	edit dl rm
setup.h	941	0644	edit dl rm
sgialib.h	1743	0644	edit dl rm
sgiarcs.h	14022	0644	edit dl rm
shmparam.h	352	0644	edit dl rm
sigcontext.h	1060	0644	edit dl rm
signal.h	1042	0644	edit dl rm
sim.h	2070	0644	edit dl rm
smp-cps.h	998	0644	edit dl rm
smp-ops.h	2476	0644	edit dl rm
smp.h	3696	0644	edit dl rm
sni.h	7495	0644	edit dl rm
socket.h	1377	0644	edit dl rm
sparsemem.h	486	0644	edit dl rm
spinlock.h	822	0644	edit dl rm
spinlock_types.h	188	0644	edit dl rm
spram.h	261	0644	edit dl rm
stackframe.h	11157	0644	edit dl rm
stackprotector.h	1177	0644	edit dl rm
stacktrace.h	2199	0644	edit dl rm
string.h	692	0644	edit dl rm
switch_to.h	4455	0644	edit dl rm
sync.h	7823	0644	edit dl rm
syscall.h	3703	0644	edit dl rm
termios.h	2933	0644	edit dl rm
thread_info.h	6640	0644	edit dl rm
time.h	1617	0644	edit dl rm
timex.h	2937	0644	edit dl rm
tlb.h	613	0644	edit dl rm
tlbdebug.h	403	0644	edit dl rm
tlbex.h	977	0644	edit dl rm
tlbflush.h	1683	0644	edit dl rm
tlbmisc.h	320	0644	edit dl rm
topology.h	619	0644	edit dl rm
traps.h	1229	0644	edit dl rm
txx9irq.h	743	0644	edit dl rm
txx9pio.h	592	0644	edit dl rm
txx9tmr.h	1625	0644	edit dl rm
types.h	459	0644	edit dl rm
uaccess.h	16450	0644	edit dl rm
uasm.h	9578	0644	edit dl rm
unaligned-emul.h	26856	0644	edit dl rm
unistd.h	1860	0644	edit dl rm
unroll.h	2860	0644	edit dl rm
uprobes.h	1141	0644	edit dl rm
vdso.h	1469	0644	edit dl rm
vermagic.h	2372	0644	edit dl rm
vga.h	1291	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
vpe.h	2843	0644	edit dl rm
war.h	2282	0644	edit dl rm
watch.h	827	0644	edit dl rm
wbflush.h	694	0644	edit dl rm
yamon-dt.h	1717	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/mips/include/asm/elf.h (15559B)

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Much of this is taken from binutils and GNU libc ...
 */
#ifndef _ASM_ELF_H
#define _ASM_ELF_H

#include <linux/auxvec.h>
#include <linux/fs.h>
#include <linux/mm_types.h>

#include <uapi/linux/elf.h>

#include <asm/current.h>

/* ELF header e_flags defines. */
/* MIPS architecture level. */
#define EF_MIPS_ARCH_1		0x00000000	/* -mips1 code.	 */
#define EF_MIPS_ARCH_2		0x10000000	/* -mips2 code.	 */
#define EF_MIPS_ARCH_3		0x20000000	/* -mips3 code.	 */
#define EF_MIPS_ARCH_4		0x30000000	/* -mips4 code.	 */
#define EF_MIPS_ARCH_5		0x40000000	/* -mips5 code.	 */
#define EF_MIPS_ARCH_32		0x50000000	/* MIPS32 code.	 */
#define EF_MIPS_ARCH_64		0x60000000	/* MIPS64 code.	 */
#define EF_MIPS_ARCH_32R2	0x70000000	/* MIPS32 R2 code.  */
#define EF_MIPS_ARCH_64R2	0x80000000	/* MIPS64 R2 code.  */

/* The ABI of a file. */
#define EF_MIPS_ABI_O32		0x00001000	/* O32 ABI.  */
#define EF_MIPS_ABI_O64		0x00002000	/* O32 extended for 64 bit.  */

#define PT_MIPS_REGINFO		0x70000000
#define PT_MIPS_RTPROC		0x70000001
#define PT_MIPS_OPTIONS		0x70000002
#define PT_MIPS_ABIFLAGS	0x70000003

/* Flags in the e_flags field of the header */
#define EF_MIPS_NOREORDER	0x00000001
#define EF_MIPS_PIC		0x00000002
#define EF_MIPS_CPIC		0x00000004
#define EF_MIPS_ABI2		0x00000020
#define EF_MIPS_OPTIONS_FIRST	0x00000080
#define EF_MIPS_32BITMODE	0x00000100
#define EF_MIPS_FP64		0x00000200
#define EF_MIPS_NAN2008		0x00000400
#define EF_MIPS_ABI		0x0000f000
#define EF_MIPS_ARCH		0xf0000000

#define DT_MIPS_RLD_VERSION	0x70000001
#define DT_MIPS_TIME_STAMP	0x70000002
#define DT_MIPS_ICHECKSUM	0x70000003
#define DT_MIPS_IVERSION	0x70000004
#define DT_MIPS_FLAGS		0x70000005
	#define RHF_NONE	0x00000000
	#define RHF_HARDWAY	0x00000001
	#define RHF_NOTPOT	0x00000002
	#define RHF_SGI_ONLY	0x00000010
#define DT_MIPS_BASE_ADDRESS	0x70000006
#define DT_MIPS_CONFLICT	0x70000008
#define DT_MIPS_LIBLIST		0x70000009
#define DT_MIPS_LOCAL_GOTNO	0x7000000a
#define DT_MIPS_CONFLICTNO	0x7000000b
#define DT_MIPS_LIBLISTNO	0x70000010
#define DT_MIPS_SYMTABNO	0x70000011
#define DT_MIPS_UNREFEXTNO	0x70000012
#define DT_MIPS_GOTSYM		0x70000013
#define DT_MIPS_HIPAGENO	0x70000014
#define DT_MIPS_RLD_MAP		0x70000016

#define R_MIPS_NONE		0
#define R_MIPS_16		1
#define R_MIPS_32		2
#define R_MIPS_REL32		3
#define R_MIPS_26		4
#define R_MIPS_HI16		5
#define R_MIPS_LO16		6
#define R_MIPS_GPREL16		7
#define R_MIPS_LITERAL		8
#define R_MIPS_GOT16		9
#define R_MIPS_PC16		10
#define R_MIPS_CALL16		11
#define R_MIPS_GPREL32		12
/* The remaining relocs are defined on Irix, although they are not
   in the MIPS ELF ABI.	 */
#define R_MIPS_UNUSED1		13
#define R_MIPS_UNUSED2		14
#define R_MIPS_UNUSED3		15
#define R_MIPS_SHIFT5		16
#define R_MIPS_SHIFT6		17
#define R_MIPS_64		18
#define R_MIPS_GOT_DISP		19
#define R_MIPS_GOT_PAGE		20
#define R_MIPS_GOT_OFST		21
/*
 * The following two relocation types are specified in the MIPS ABI
 * conformance guide version 1.2 but not yet in the psABI.
 */
#define R_MIPS_GOTHI16		22
#define R_MIPS_GOTLO16		23
#define R_MIPS_SUB		24
#define R_MIPS_INSERT_A		25
#define R_MIPS_INSERT_B		26
#define R_MIPS_DELETE		27
#define R_MIPS_HIGHER		28
#define R_MIPS_HIGHEST		29
/*
 * The following two relocation types are specified in the MIPS ABI
 * conformance guide version 1.2 but not yet in the psABI.
 */
#define R_MIPS_CALLHI16		30
#define R_MIPS_CALLLO16		31
/*
 * Introduced for MIPSr6.
 */
#define R_MIPS_PC21_S2		60
#define R_MIPS_PC26_S2		61
/*
 * This range is reserved for vendor specific relocations.
 */
#define R_MIPS_LOVENDOR		100
#define R_MIPS_HIVENDOR		127

#define SHN_MIPS_ACCOMON	0xff00		/* Allocated common symbols */
#define SHN_MIPS_TEXT		0xff01		/* Allocated test symbols.  */
#define SHN_MIPS_DATA		0xff02		/* Allocated data symbols.  */
#define SHN_MIPS_SCOMMON	0xff03		/* Small common symbols */
#define SHN_MIPS_SUNDEFINED	0xff04		/* Small undefined symbols */

#define SHT_MIPS_LIST		0x70000000
#define SHT_MIPS_CONFLICT	0x70000002
#define SHT_MIPS_GPTAB		0x70000003
#define SHT_MIPS_UCODE		0x70000004
#define SHT_MIPS_DEBUG		0x70000005
#define SHT_MIPS_REGINFO	0x70000006
#define SHT_MIPS_PACKAGE	0x70000007
#define SHT_MIPS_PACKSYM	0x70000008
#define SHT_MIPS_RELD		0x70000009
#define SHT_MIPS_IFACE		0x7000000b
#define SHT_MIPS_CONTENT	0x7000000c
#define SHT_MIPS_OPTIONS	0x7000000d
#define SHT_MIPS_SHDR		0x70000010
#define SHT_MIPS_FDESC		0x70000011
#define SHT_MIPS_EXTSYM		0x70000012
#define SHT_MIPS_DENSE		0x70000013
#define SHT_MIPS_PDESC		0x70000014
#define SHT_MIPS_LOCSYM		0x70000015
#define SHT_MIPS_AUXSYM		0x70000016
#define SHT_MIPS_OPTSYM		0x70000017
#define SHT_MIPS_LOCSTR		0x70000018
#define SHT_MIPS_LINE		0x70000019
#define SHT_MIPS_RFDESC		0x7000001a
#define SHT_MIPS_DELTASYM	0x7000001b
#define SHT_MIPS_DELTAINST	0x7000001c
#define SHT_MIPS_DELTACLASS	0x7000001d
#define SHT_MIPS_DWARF		0x7000001e
#define SHT_MIPS_DELTADECL	0x7000001f
#define SHT_MIPS_SYMBOL_LIB	0x70000020
#define SHT_MIPS_EVENTS		0x70000021
#define SHT_MIPS_TRANSLATE	0x70000022
#define SHT_MIPS_PIXIE		0x70000023
#define SHT_MIPS_XLATE		0x70000024
#define SHT_MIPS_XLATE_DEBUG	0x70000025
#define SHT_MIPS_WHIRL		0x70000026
#define SHT_MIPS_EH_REGION	0x70000027
#define SHT_MIPS_XLATE_OLD	0x70000028
#define SHT_MIPS_PDR_EXCEPTION	0x70000029

#define SHF_MIPS_GPREL		0x10000000
#define SHF_MIPS_MERGE		0x20000000
#define SHF_MIPS_ADDR		0x40000000
#define SHF_MIPS_STRING		0x80000000
#define SHF_MIPS_NOSTRIP	0x08000000
#define SHF_MIPS_LOCAL		0x04000000
#define SHF_MIPS_NAMES		0x02000000
#define SHF_MIPS_NODUPES	0x01000000

#define MIPS_ABI_FP_ANY		0	/* FP ABI doesn't matter */
#define MIPS_ABI_FP_DOUBLE	1	/* -mdouble-float */
#define MIPS_ABI_FP_SINGLE	2	/* -msingle-float */
#define MIPS_ABI_FP_SOFT	3	/* -msoft-float */
#define MIPS_ABI_FP_OLD_64	4	/* -mips32r2 -mfp64 */
#define MIPS_ABI_FP_XX		5	/* -mfpxx */
#define MIPS_ABI_FP_64		6	/* -mips32r2 -mfp64 */
#define MIPS_ABI_FP_64A		7	/* -mips32r2 -mfp64 -mno-odd-spreg */

struct mips_elf_abiflags_v0 {
	uint16_t version;	/* Version of flags structure */
	uint8_t isa_level;	/* The level of the ISA: 1-5, 32, 64 */
	uint8_t isa_rev;	/* The revision of ISA: 0 for MIPS V and below,
				   1-n otherwise */
	uint8_t gpr_size;	/* The size of general purpose registers */
	uint8_t cpr1_size;	/* The size of co-processor 1 registers */
	uint8_t cpr2_size;	/* The size of co-processor 2 registers */
	uint8_t fp_abi;		/* The floating-point ABI */
	uint32_t isa_ext;	/* Mask of processor-specific extensions */
	uint32_t ases;		/* Mask of ASEs used */
	uint32_t flags1;	/* Mask of general flags */
	uint32_t flags2;
};

/* ELF register definitions */
#define ELF_NGREG	45
#define ELF_NFPREG	33

typedef unsigned long elf_greg_t;
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef double elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];

void mips_dump_regs32(u32 *uregs, const struct pt_regs *regs);
void mips_dump_regs64(u64 *uregs, const struct pt_regs *regs);

#ifdef CONFIG_32BIT
/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch elf32_check_arch

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32

#define ELF_CORE_COPY_REGS(dest, regs) \
	mips_dump_regs32((u32 *)&(dest), (regs));

#endif /* CONFIG_32BIT */

#ifdef CONFIG_64BIT
/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch elf64_check_arch
#define compat_elf_check_arch elf32_check_arch

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS64

#define ELF_CORE_COPY_REGS(dest, regs) \
	mips_dump_regs64((u64 *)&(dest), (regs));

#endif /* CONFIG_64BIT */

/*
 * These are used to set parameters in the core dumps.
 */
#ifdef __MIPSEB__
#define ELF_DATA	ELFDATA2MSB
#elif defined(__MIPSEL__)
#define ELF_DATA	ELFDATA2LSB
#endif
#define ELF_ARCH	EM_MIPS

/*
 * In order to be sure that we don't attempt to execute an O32 binary which
 * requires 64 bit FP (FR=1) on a system which does not support it we refuse
 * to execute any binary which has bits specified by the following macro set
 * in its ELF header flags.
 */
#ifdef CONFIG_MIPS_O32_FP64_SUPPORT
# define __MIPS_O32_FP64_MUST_BE_ZERO	0
#else
# define __MIPS_O32_FP64_MUST_BE_ZERO	EF_MIPS_FP64
#endif

#define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS)

#define vmcore_elf32_check_arch mips_elf_check_machine
#define vmcore_elf64_check_arch mips_elf_check_machine

/*
 * Return non-zero if HDR identifies an o32 or n32 ELF binary.
 */
#define elf32_check_arch(hdr)						\
({									\
	int __res = 1;							\
	struct elfhdr *__h = (hdr);					\
									\
	if (!mips_elf_check_machine(__h))				\
		__res = 0;						\
	if (__h->e_ident[EI_CLASS] != ELFCLASS32)			\
		__res = 0;						\
	if ((__h->e_flags & EF_MIPS_ABI2) != 0) {			\
		if (!IS_ENABLED(CONFIG_MIPS32_N32) ||			\
		     (__h->e_flags & EF_MIPS_ABI))			\
			__res = 0;					\
	} else {							\
		if (IS_ENABLED(CONFIG_64BIT) && !IS_ENABLED(CONFIG_MIPS32_O32)) \
			__res = 0;					\
		if (((__h->e_flags & EF_MIPS_ABI) != 0) &&		\
		    ((__h->e_flags & EF_MIPS_ABI) != EF_MIPS_ABI_O32))	\
			__res = 0;					\
		if (__h->e_flags & __MIPS_O32_FP64_MUST_BE_ZERO)	\
			__res = 0;					\
	}								\
	__res;								\
})

/*
 * Return non-zero if HDR identifies an n64 ELF binary.
 */
#define elf64_check_arch(hdr)						\
({									\
	int __res = 1;							\
	struct elfhdr *__h = (hdr);					\
									\
	if (!mips_elf_check_machine(__h))				\
		__res = 0;						\
	if (__h->e_ident[EI_CLASS] != ELFCLASS64)			\
		__res = 0;						\
									\
	__res;								\
})

struct mips_abi;

extern struct mips_abi mips_abi;
extern struct mips_abi mips_abi_32;
extern struct mips_abi mips_abi_n32;

#ifdef CONFIG_32BIT

#define SET_PERSONALITY2(ex, state)					\
do {									\
	clear_thread_flag(TIF_HYBRID_FPREGS);				\
	set_thread_flag(TIF_32BIT_FPREGS);				\
									\
	current->thread.abi = &mips_abi;				\
									\
	mips_set_personality_fp(state);					\
	mips_set_personality_nan(state);				\
									\
	if (personality(current->personality) != PER_LINUX)		\
		set_personality(PER_LINUX);				\
} while (0)

#endif /* CONFIG_32BIT */

#ifdef CONFIG_64BIT

#ifdef CONFIG_MIPS32_N32
#define __SET_PERSONALITY32_N32()					\
	do {								\
		set_thread_flag(TIF_32BIT_ADDR);			\
									\
		current->thread.abi = &mips_abi_n32;			\
	} while (0)
#else
#define __SET_PERSONALITY32_N32()					\
	do { } while (0)
#endif

#ifdef CONFIG_MIPS32_O32
#define __SET_PERSONALITY32_O32(ex, state)				\
	do {								\
		set_thread_flag(TIF_32BIT_REGS);			\
		set_thread_flag(TIF_32BIT_ADDR);			\
		clear_thread_flag(TIF_HYBRID_FPREGS);			\
		set_thread_flag(TIF_32BIT_FPREGS);			\
									\
		current->thread.abi = &mips_abi_32;			\
									\
		mips_set_personality_fp(state);				\
	} while (0)
#else
#define __SET_PERSONALITY32_O32(ex, state)				\
	do { } while (0)
#endif

#ifdef CONFIG_MIPS32_COMPAT
#define __SET_PERSONALITY32(ex, state)					\
do {									\
	if ((((ex).e_flags & EF_MIPS_ABI2) != 0) &&			\
	     ((ex).e_flags & EF_MIPS_ABI) == 0)				\
		__SET_PERSONALITY32_N32();				\
	else								\
		__SET_PERSONALITY32_O32(ex, state);			\
} while (0)
#else
#define __SET_PERSONALITY32(ex, state) do { } while (0)
#endif

#define SET_PERSONALITY2(ex, state)					\
do {									\
	unsigned int p;							\
									\
	clear_thread_flag(TIF_32BIT_REGS);				\
	clear_thread_flag(TIF_32BIT_FPREGS);				\
	clear_thread_flag(TIF_HYBRID_FPREGS);				\
	clear_thread_flag(TIF_32BIT_ADDR);				\
	current->personality &= ~READ_IMPLIES_EXEC;			\
									\
	if ((ex).e_ident[EI_CLASS] == ELFCLASS32)			\
		__SET_PERSONALITY32(ex, state);				\
	else								\
		current->thread.abi = &mips_abi;			\
									\
	mips_set_personality_nan(state);				\
									\
	p = personality(current->personality);				\
	if (p != PER_LINUX32 && p != PER_LINUX)				\
		set_personality(PER_LINUX);				\
} while (0)

#endif /* CONFIG_64BIT */

#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE	PAGE_SIZE

/* This yields a mask that user programs can use to figure out what
   instruction set this cpu supports.  This could be done in userspace,
   but it's not easy, and we've already done it here.  */

#define ELF_HWCAP	(elf_hwcap)
extern unsigned int elf_hwcap;
#include <asm/hwcap.h>

/*
 * This yields a string that ld.so will use to load implementation
 * specific libraries for optimization.	 This is more specific in
 * intent than poking at uname or /proc/cpuinfo.
 */

#define ELF_PLATFORM  __elf_platform
extern const char *__elf_platform;

#define ELF_BASE_PLATFORM  __elf_base_platform
extern const char *__elf_base_platform;

/*
 * See comments in asm-alpha/elf.h, this is the same thing
 * on the MIPS.
 */
#define ELF_PLAT_INIT(_r, load_addr)	do { \
	_r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0;	\
	_r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0;	\
	_r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0;	\
	_r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0;	\
	_r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0;	\
	_r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0;	\
	_r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0;	\
	_r->regs[30] = _r->regs[31] = 0;				\
} while (0)

/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
   use of this is to invoke "./ld.so someprog" to test out a new version of
   the loader.	We need to make sure that it is out of the way of the program
   that it will "exec", and that there is sufficient room for the brk.	*/

#define ELF_ET_DYN_BASE		(TASK_SIZE / 3 * 2)

/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
#define ARCH_DLINFO							\
do {									\
	NEW_AUX_ENT(AT_SYSINFO_EHDR,					\
		    (unsigned long)current->mm->context.vdso);		\
} while (0)

#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
				       int uses_interp);

#ifdef CONFIG_MIPS_FP_SUPPORT

struct arch_elf_state {
	int nan_2008;
	int fp_abi;
	int interp_fp_abi;
	int overall_fp_mode;
};

#define MIPS_ABI_FP_UNKNOWN	(-1)	/* Unknown FP ABI (kernel internal) */

#define INIT_ARCH_ELF_STATE {			\
	.nan_2008 = -1,				\
	.fp_abi = MIPS_ABI_FP_UNKNOWN,		\
	.interp_fp_abi = MIPS_ABI_FP_UNKNOWN,	\
	.overall_fp_mode = -1,			\
}

extern int arch_elf_pt_proc(void *ehdr, void *phdr, struct file *elf,
			    bool is_interp, struct arch_elf_state *state);

extern int arch_check_elf(void *ehdr, bool has_interpreter, void *interp_ehdr,
			  struct arch_elf_state *state);

/* Whether to accept legacy-NaN and 2008-NaN user binaries.  */
extern bool mips_use_nan_legacy;
extern bool mips_use_nan_2008;

extern void mips_set_personality_nan(struct arch_elf_state *state);
extern void mips_set_personality_fp(struct arch_elf_state *state);

#else /* !CONFIG_MIPS_FP_SUPPORT */

struct arch_elf_state;

static inline void mips_set_personality_nan(struct arch_elf_state *state)
{
	/* no-op */
}

static inline void mips_set_personality_fp(struct arch_elf_state *state)
{
	/* no-op */
}

#endif /* !CONFIG_MIPS_FP_SUPPORT */

#define elf_read_implies_exec(ex, stk) mips_elf_read_implies_exec(&(ex), stk)
extern int mips_elf_read_implies_exec(void *elf_ex, int exstack);

#endif /* _ASM_ELF_H */

cmd: