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