| vdso.c (c9f289701540baeef9ac7c9977d67a7259f404db) | vdso.c (0a7601b6ffddec11d7cc0bc3264daf0159f5e1a6) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-or-later 2 3/* 4 * Copyright (C) 2004 Benjamin Herrenschmidt, IBM Corp. 5 * <benh@kernel.crashing.org> 6 */ 7 8#include <linux/errno.h> --- 377 unchanged lines hidden (view full) --- 386{ 387 Elf64_Sym *sym = find_symbol64(lib, symname); 388 389 if (sym == NULL) { 390 printk(KERN_WARNING "vDSO64: function %s not found !\n", 391 symname); 392 return 0; 393 } | 1// SPDX-License-Identifier: GPL-2.0-or-later 2 3/* 4 * Copyright (C) 2004 Benjamin Herrenschmidt, IBM Corp. 5 * <benh@kernel.crashing.org> 6 */ 7 8#include <linux/errno.h> --- 377 unchanged lines hidden (view full) --- 386{ 387 Elf64_Sym *sym = find_symbol64(lib, symname); 388 389 if (sym == NULL) { 390 printk(KERN_WARNING "vDSO64: function %s not found !\n", 391 symname); 392 return 0; 393 } |
| 394#ifdef VDS64_HAS_DESCRIPTORS 395 return *((u64 *)(vdso64_kbase + sym->st_value - VDSO64_LBASE)) - 396 VDSO64_LBASE; 397#else | |
| 398 return sym->st_value - VDSO64_LBASE; | 394 return sym->st_value - VDSO64_LBASE; |
| 399#endif | |
| 400} 401 402static int __init vdso_do_func_patch64(struct lib32_elfinfo *v32, 403 struct lib64_elfinfo *v64, 404 const char *orig, const char *fix) 405{ 406 Elf64_Sym *sym64_gen, *sym64_fix; 407 --- 243 unchanged lines hidden (view full) --- 651 extern unsigned long sys_ni_syscall; 652 653 654 for (i = 0; i < NR_syscalls; i++) { 655#ifdef CONFIG_PPC64 656 if (sys_call_table[i] != sys_ni_syscall) 657 vdso_data->syscall_map_64[i >> 5] |= 658 0x80000000UL >> (i & 0x1f); | 395} 396 397static int __init vdso_do_func_patch64(struct lib32_elfinfo *v32, 398 struct lib64_elfinfo *v64, 399 const char *orig, const char *fix) 400{ 401 Elf64_Sym *sym64_gen, *sym64_fix; 402 --- 243 unchanged lines hidden (view full) --- 646 extern unsigned long sys_ni_syscall; 647 648 649 for (i = 0; i < NR_syscalls; i++) { 650#ifdef CONFIG_PPC64 651 if (sys_call_table[i] != sys_ni_syscall) 652 vdso_data->syscall_map_64[i >> 5] |= 653 0x80000000UL >> (i & 0x1f); |
| 659 if (compat_sys_call_table[i] != sys_ni_syscall) | 654 if (IS_ENABLED(CONFIG_COMPAT) && 655 compat_sys_call_table[i] != sys_ni_syscall) |
| 660 vdso_data->syscall_map_32[i >> 5] |= 661 0x80000000UL >> (i & 0x1f); 662#else /* CONFIG_PPC64 */ 663 if (sys_call_table[i] != sys_ni_syscall) 664 vdso_data->syscall_map_32[i >> 5] |= 665 0x80000000UL >> (i & 0x1f); 666#endif /* CONFIG_PPC64 */ 667 } --- 130 unchanged lines hidden --- | 656 vdso_data->syscall_map_32[i >> 5] |= 657 0x80000000UL >> (i & 0x1f); 658#else /* CONFIG_PPC64 */ 659 if (sys_call_table[i] != sys_ni_syscall) 660 vdso_data->syscall_map_32[i >> 5] |= 661 0x80000000UL >> (i & 0x1f); 662#endif /* CONFIG_PPC64 */ 663 } --- 130 unchanged lines hidden --- |