diff options
Diffstat (limited to 'include/asm-generic/codetag.lds.h')
| -rw-r--r-- | include/asm-generic/codetag.lds.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-generic/codetag.lds.h b/include/asm-generic/codetag.lds.h new file mode 100644 index 000000000000..a14f4bdafdda --- /dev/null +++ b/include/asm-generic/codetag.lds.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef __ASM_GENERIC_CODETAG_LDS_H +#define __ASM_GENERIC_CODETAG_LDS_H + +#ifdef CONFIG_MEM_ALLOC_PROFILING +#define IF_MEM_ALLOC_PROFILING(...) __VA_ARGS__ +#else +#define IF_MEM_ALLOC_PROFILING(...) +#endif + +#define SECTION_WITH_BOUNDARIES(_name) \ + . = ALIGN(8); \ + __start_##_name = .; \ + KEEP(*(_name)) \ + __stop_##_name = .; + +#define CODETAG_SECTIONS() \ + IF_MEM_ALLOC_PROFILING(SECTION_WITH_BOUNDARIES(alloc_tags)) + +#define MOD_SEPARATE_CODETAG_SECTION(_name) \ + .codetag.##_name : { \ + SECTION_WITH_BOUNDARIES(_name) \ + } + +/* + * For codetags which might be used after module unload, therefore might stay + * longer in memory. Each such codetag type has its own section so that we can + * unload them individually once unused. + */ +#define MOD_SEPARATE_CODETAG_SECTIONS() \ + IF_MEM_ALLOC_PROFILING(MOD_SEPARATE_CODETAG_SECTION(alloc_tags)) + +#endif /* __ASM_GENERIC_CODETAG_LDS_H */ |