Contributors: 16
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Anton Blanchard |
59 |
25.00% |
4 |
14.81% |
| Jon Loeliger |
43 |
18.22% |
2 |
7.41% |
| Rusty Russell |
24 |
10.17% |
4 |
14.81% |
| Nicholas Piggin |
24 |
10.17% |
2 |
7.41% |
| Michael Ellerman |
23 |
9.75% |
3 |
11.11% |
| Naveen N Rao |
18 |
7.63% |
1 |
3.70% |
| Steven Rostedt |
13 |
5.51% |
2 |
7.41% |
| Sergey Senozhatsky |
9 |
3.81% |
1 |
3.70% |
| Joe Lawrence |
5 |
2.12% |
1 |
3.70% |
| Naveen N. Rao |
4 |
1.69% |
1 |
3.70% |
| Arnd Bergmann |
3 |
1.27% |
1 |
3.70% |
| David Howells |
3 |
1.27% |
1 |
3.70% |
| Josh Poimboeuf |
3 |
1.27% |
1 |
3.70% |
| Paul Mackerras |
3 |
1.27% |
1 |
3.70% |
| Thomas Gleixner |
1 |
0.42% |
1 |
3.70% |
| Adam Buchbinder |
1 |
0.42% |
1 |
3.70% |
| Total |
236 |
|
27 |
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _ASM_POWERPC_MODULE_H
#define _ASM_POWERPC_MODULE_H
#ifdef __KERNEL__
#include <linux/list.h>
#include <asm/bug.h>
#include <asm-generic/module.h>
#ifndef __powerpc64__
/*
* Thanks to Paul M for explaining this.
*
* PPC can only do rel jumps += 32MB, and often the kernel and other
* modules are further away than this. So, we jump to a table of
* trampolines attached to the module (the Procedure Linkage Table)
* whenever that happens.
*/
struct ppc_plt_entry {
/* 16 byte jump instruction sequence (4 instructions) */
unsigned int jump[4];
};
#endif /* __powerpc64__ */
struct mod_arch_specific {
#ifdef __powerpc64__
unsigned int stubs_section; /* Index of stubs section in module */
unsigned int stub_count; /* Number of stubs used */
#ifdef CONFIG_PPC_KERNEL_PCREL
unsigned int got_section; /* What section is the GOT? */
unsigned int pcpu_section; /* .data..percpu section */
#else
unsigned int toc_section; /* What section is the TOC? */
bool toc_fixed; /* Have we fixed up .TOC.? */
#endif
#ifdef CONFIG_PPC64_ELF_ABI_V1
/* For module function descriptor dereference */
unsigned long start_opd;
unsigned long end_opd;
#endif
#else /* powerpc64 */
/* Indices of PLT sections within module. */
unsigned int core_plt_section;
unsigned int init_plt_section;
#endif /* powerpc64 */
#ifdef CONFIG_DYNAMIC_FTRACE
unsigned long tramp;
unsigned long tramp_regs;
#ifdef CONFIG_PPC_FTRACE_OUT_OF_LINE
struct ftrace_ool_stub *ool_stubs;
unsigned int ool_stub_count;
unsigned int ool_stub_index;
#endif
#endif
};
/*
* Select ELF headers.
* Make empty sections for module_frob_arch_sections to expand.
*/
#ifdef __powerpc64__
# ifdef MODULE
asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
# ifdef CONFIG_PPC_KERNEL_PCREL
asm(".section .mygot,\"a\",@nobits; .align 3; .previous");
# endif
# endif
#else
# ifdef MODULE
asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
# endif /* MODULE */
#endif
#ifdef CONFIG_DYNAMIC_FTRACE
int module_trampoline_target(struct module *mod, unsigned long trampoline,
unsigned long *target);
int module_finalize_ftrace(struct module *mod, const Elf_Shdr *sechdrs);
#else
static inline int module_finalize_ftrace(struct module *mod, const Elf_Shdr *sechdrs)
{
return 0;
}
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MODULE_H */