52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_IA64_SECTIONS_H
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#define _ASM_IA64_SECTIONS_H
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/*
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* Copyright (C) 1998-2003 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*/
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#include <linux/elf.h>
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#include <linux/uaccess.h>
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#include <asm-generic/sections.h>
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extern char __phys_per_cpu_start[];
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#ifdef CONFIG_SMP
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extern char __cpu0_per_cpu[];
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#endif
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extern char __start___vtop_patchlist[], __end___vtop_patchlist[];
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extern char __start___rse_patchlist[], __end___rse_patchlist[];
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extern char __start___mckinley_e9_bundles[], __end___mckinley_e9_bundles[];
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extern char __start___phys_stack_reg_patchlist[], __end___phys_stack_reg_patchlist[];
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extern char __start_gate_section[];
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extern char __start_gate_mckinley_e9_patchlist[], __end_gate_mckinley_e9_patchlist[];
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extern char __start_gate_vtop_patchlist[], __end_gate_vtop_patchlist[];
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extern char __start_gate_fsyscall_patchlist[], __end_gate_fsyscall_patchlist[];
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extern char __start_gate_brl_fsys_bubble_down_patchlist[], __end_gate_brl_fsys_bubble_down_patchlist[];
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extern char __start_unwind[], __end_unwind[];
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extern char __start_ivt_text[], __end_ivt_text[];
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#define HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR 1
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#undef dereference_function_descriptor
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static inline void *dereference_function_descriptor(void *ptr)
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{
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struct fdesc *desc = ptr;
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void *p;
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if (!get_kernel_nofault(p, (void *)&desc->ip))
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ptr = p;
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return ptr;
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}
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#undef dereference_kernel_function_descriptor
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static inline void *dereference_kernel_function_descriptor(void *ptr)
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{
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if (ptr < (void *)__start_opd || ptr >= (void *)__end_opd)
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return ptr;
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return dereference_function_descriptor(ptr);
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}
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#endif /* _ASM_IA64_SECTIONS_H */
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