link.h (2207B) - Raw
1 /* Copyright (C) 2005-2025 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library. If not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _LINK_H 19 # error "Never include <bits/link.h> directly; use <link.h> instead." 20 #endif 21 22 23 /* Registers for entry into PLT on ARM. */ 24 typedef struct La_arm_regs 25 { 26 uint32_t lr_reg[4]; 27 uint32_t lr_sp; 28 uint32_t lr_lr; 29 /* Coprocessor registers used for argument passing. The data 30 stored here depends on the coprocessors available in the 31 system which are used for function calls in the current ABI. 32 VFP uses eight 64-bit registers, and iWMMXt uses ten. */ 33 uint32_t lr_coproc[42]; 34 } La_arm_regs; 35 36 /* Return values for calls from PLT on ARM. */ 37 typedef struct La_arm_retval 38 { 39 /* Up to four integer registers can be used for a return value in 40 some ABIs (APCS complex long double). */ 41 uint32_t lrv_reg[4]; 42 43 /* Any coprocessor registers which might be used to return values 44 in the current ABI. */ 45 uint32_t lrv_coproc[12]; 46 } La_arm_retval; 47 48 49 __BEGIN_DECLS 50 51 extern Elf32_Addr la_arm_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx, 52 uintptr_t *__refcook, 53 uintptr_t *__defcook, 54 La_arm_regs *__regs, 55 unsigned int *__flags, 56 const char *__symname, 57 long int *__framesizep); 58 extern unsigned int la_arm_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx, 59 uintptr_t *__refcook, 60 uintptr_t *__defcook, 61 const La_arm_regs *__inregs, 62 La_arm_retval *__outregs, 63 const char *__symname); 64 65 __END_DECLS