6f52b16c5b
Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. See the previous patch in this series for the methodology of how this patch was researched. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
86 lines
3.7 KiB
C
86 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __ASMCRIS_ARCH_ELF_H
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#define __ASMCRIS_ARCH_ELF_H
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#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10
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/* Matches struct user_regs_struct */
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#define ELF_NGREG 35
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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*/
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#define elf_check_arch(x) \
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((x)->e_machine == EM_CRIS \
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&& ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \
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|| (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
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/*
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* ELF register definitions..
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*/
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#include <asm/ptrace.h>
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/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
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starts (a register; assume first param register for CRIS)
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contains a pointer to a function which might be
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registered using `atexit'. This provides a mean for the
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dynamic linker to call DT_FINI functions for shared libraries
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that have been loaded before the code runs.
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A value of 0 tells we have no such handler. */
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/* Explicitly set registers to 0 to increase determinism. */
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#define ELF_PLAT_INIT(_r, load_addr) do { \
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(_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
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(_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \
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(_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \
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(_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \
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} while (0)
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/* The additional layer below is because the stack pointer is missing in
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the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t,
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and should be filled in according to the layout of the user_regs_struct
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struct; regs is a pt_regs struct. We dump all registers, though several are
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obviously unnecessary. That way there's less need for intelligence at
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the receiving end (i.e. gdb). */
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#define ELF_CORE_COPY_REGS(pr_reg, regs) \
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pr_reg[0] = regs->r0; \
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pr_reg[1] = regs->r1; \
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pr_reg[2] = regs->r2; \
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pr_reg[3] = regs->r3; \
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pr_reg[4] = regs->r4; \
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pr_reg[5] = regs->r5; \
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pr_reg[6] = regs->r6; \
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pr_reg[7] = regs->r7; \
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pr_reg[8] = regs->r8; \
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pr_reg[9] = regs->r9; \
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pr_reg[10] = regs->r10; \
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pr_reg[11] = regs->r11; \
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pr_reg[12] = regs->r12; \
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pr_reg[13] = regs->r13; \
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pr_reg[14] = rdusp(); /* sp */ \
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pr_reg[15] = regs->irp; /* pc */ \
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pr_reg[16] = 0; /* p0 */ \
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pr_reg[17] = rdvr(); /* vr */ \
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pr_reg[18] = 0; /* p2 */ \
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pr_reg[19] = 0; /* p3 */ \
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pr_reg[20] = 0; /* p4 */ \
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pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \
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pr_reg[22] = 0; /* p6 */ \
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pr_reg[23] = regs->mof; /* mof */ \
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pr_reg[24] = 0; /* p8 */ \
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pr_reg[25] = 0; /* ibr */ \
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pr_reg[26] = 0; /* irp */ \
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pr_reg[27] = regs->srp; /* srp */ \
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pr_reg[28] = 0; /* bar */ \
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pr_reg[29] = regs->dccr; /* dccr */ \
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pr_reg[30] = 0; /* brp */ \
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pr_reg[31] = rdusp(); /* usp */ \
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pr_reg[32] = 0; /* csrinstr */ \
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pr_reg[33] = 0; /* csraddr */ \
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pr_reg[34] = 0; /* csrdata */
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#endif
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