diff options
Diffstat (limited to 'include/asm-generic/vmlinux.lds.h')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 234 |
1 files changed, 94 insertions, 140 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 475507093645..a94219e9916f 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -199,100 +199,114 @@ # endif #endif +#define BOUNDED_SECTION_PRE_LABEL(_sec_, _label_, _BEGIN_, _END_) \ + _BEGIN_##_label_ = .; \ + KEEP(*(_sec_)) \ + _END_##_label_ = .; + +#define BOUNDED_SECTION_POST_LABEL(_sec_, _label_, _BEGIN_, _END_) \ + _label_##_BEGIN_ = .; \ + KEEP(*(_sec_)) \ + _label_##_END_ = .; + +#define BOUNDED_SECTION_BY(_sec_, _label_) \ + BOUNDED_SECTION_PRE_LABEL(_sec_, _label_, __start, __stop) + +#define BOUNDED_SECTION(_sec) BOUNDED_SECTION_BY(_sec, _sec) + +#define HEADERED_SECTION_PRE_LABEL(_sec_, _label_, _BEGIN_, _END_, _HDR_) \ + _HDR_##_label_ = .; \ + KEEP(*(.gnu.linkonce.##_sec_)) \ + BOUNDED_SECTION_PRE_LABEL(_sec_, _label_, _BEGIN_, _END_) + +#define HEADERED_SECTION_POST_LABEL(_sec_, _label_, _BEGIN_, _END_, _HDR_) \ + _label_##_HDR_ = .; \ + KEEP(*(.gnu.linkonce.##_sec_)) \ + BOUNDED_SECTION_POST_LABEL(_sec_, _label_, _BEGIN_, _END_) + +#define HEADERED_SECTION_BY(_sec_, _label_) \ + HEADERED_SECTION_PRE_LABEL(_sec_, _label_, __start, __stop) + +#define HEADERED_SECTION(_sec) HEADERED_SECTION_BY(_sec, _sec) + #ifdef CONFIG_TRACE_BRANCH_PROFILING -#define LIKELY_PROFILE() __start_annotated_branch_profile = .; \ - KEEP(*(_ftrace_annotated_branch)) \ - __stop_annotated_branch_profile = .; +#define LIKELY_PROFILE() \ + BOUNDED_SECTION_BY(_ftrace_annotated_branch, _annotated_branch_profile) #else #define LIKELY_PROFILE() #endif #ifdef CONFIG_PROFILE_ALL_BRANCHES -#define BRANCH_PROFILE() __start_branch_profile = .; \ - KEEP(*(_ftrace_branch)) \ - __stop_branch_profile = .; +#define BRANCH_PROFILE() \ + BOUNDED_SECTION_BY(_ftrace_branch, _branch_profile) #else #define BRANCH_PROFILE() #endif #ifdef CONFIG_KPROBES -#define KPROBE_BLACKLIST() . = ALIGN(8); \ - __start_kprobe_blacklist = .; \ - KEEP(*(_kprobe_blacklist)) \ - __stop_kprobe_blacklist = .; +#define KPROBE_BLACKLIST() \ + . = ALIGN(8); \ + BOUNDED_SECTION(_kprobe_blacklist) #else #define KPROBE_BLACKLIST() #endif #ifdef CONFIG_FUNCTION_ERROR_INJECTION -#define ERROR_INJECT_WHITELIST() STRUCT_ALIGN(); \ - __start_error_injection_whitelist = .; \ - KEEP(*(_error_injection_whitelist)) \ - __stop_error_injection_whitelist = .; +#define ERROR_INJECT_WHITELIST() \ + STRUCT_ALIGN(); \ + BOUNDED_SECTION(_error_injection_whitelist) #else #define ERROR_INJECT_WHITELIST() #endif #ifdef CONFIG_EVENT_TRACING -#define FTRACE_EVENTS() . = ALIGN(8); \ - __start_ftrace_events = .; \ - KEEP(*(_ftrace_events)) \ - __stop_ftrace_events = .; \ - __start_ftrace_eval_maps = .; \ - KEEP(*(_ftrace_eval_map)) \ - __stop_ftrace_eval_maps = .; +#define FTRACE_EVENTS() \ + . = ALIGN(8); \ + BOUNDED_SECTION(_ftrace_events) \ + BOUNDED_SECTION_BY(_ftrace_eval_map, _ftrace_eval_maps) #else #define FTRACE_EVENTS() #endif #ifdef CONFIG_TRACING -#define TRACE_PRINTKS() __start___trace_bprintk_fmt = .; \ - KEEP(*(__trace_printk_fmt)) /* Trace_printk fmt' pointer */ \ - __stop___trace_bprintk_fmt = .; -#define TRACEPOINT_STR() __start___tracepoint_str = .; \ - KEEP(*(__tracepoint_str)) /* Trace_printk fmt' pointer */ \ - __stop___tracepoint_str = .; +#define TRACE_PRINTKS() BOUNDED_SECTION_BY(__trace_printk_fmt, ___trace_bprintk_fmt) +#define TRACEPOINT_STR() BOUNDED_SECTION_BY(__tracepoint_str, ___tracepoint_str) #else #define TRACE_PRINTKS() #define TRACEPOINT_STR() #endif #ifdef CONFIG_FTRACE_SYSCALLS -#define TRACE_SYSCALLS() . = ALIGN(8); \ - __start_syscalls_metadata = .; \ - KEEP(*(__syscalls_metadata)) \ - __stop_syscalls_metadata = .; +#define TRACE_SYSCALLS() \ + . = ALIGN(8); \ + BOUNDED_SECTION_BY(__syscalls_metadata, _syscalls_metadata) #else #define TRACE_SYSCALLS() #endif #ifdef CONFIG_BPF_EVENTS -#define BPF_RAW_TP() STRUCT_ALIGN(); \ - __start__bpf_raw_tp = .; \ - KEEP(*(__bpf_raw_tp_map)) \ - __stop__bpf_raw_tp = .; +#define BPF_RAW_TP() STRUCT_ALIGN(); \ + BOUNDED_SECTION_BY(__bpf_raw_tp_map, __bpf_raw_tp) #else #define BPF_RAW_TP() #endif #ifdef CONFIG_SERIAL_EARLYCON -#define EARLYCON_TABLE() . = ALIGN(8); \ - __earlycon_table = .; \ - KEEP(*(__earlycon_table)) \ - __earlycon_table_end = .; +#define EARLYCON_TABLE() \ + . = ALIGN(8); \ + BOUNDED_SECTION_POST_LABEL(__earlycon_table, __earlycon_table, , _end) #else #define EARLYCON_TABLE() #endif #ifdef CONFIG_SECURITY -#define LSM_TABLE() . = ALIGN(8); \ - __start_lsm_info = .; \ - KEEP(*(.lsm_info.init)) \ - __end_lsm_info = .; -#define EARLY_LSM_TABLE() . = ALIGN(8); \ - __start_early_lsm_info = .; \ - KEEP(*(.early_lsm_info.init)) \ - __end_early_lsm_info = .; +#define LSM_TABLE() \ + . = ALIGN(8); \ + BOUNDED_SECTION_PRE_LABEL(.lsm_info.init, _lsm_info, __start, __end) + +#define EARLY_LSM_TABLE() \ + . = ALIGN(8); \ + BOUNDED_SECTION_PRE_LABEL(.early_lsm_info.init, _early_lsm_info, __start, __end) #else #define LSM_TABLE() #define EARLY_LSM_TABLE() @@ -318,9 +332,8 @@ #ifdef CONFIG_ACPI #define ACPI_PROBE_TABLE(name) \ . = ALIGN(8); \ - __##name##_acpi_probe_table = .; \ - KEEP(*(__##name##_acpi_probe_table)) \ - __##name##_acpi_probe_table_end = .; + BOUNDED_SECTION_POST_LABEL(__##name##_acpi_probe_table, \ + __##name##_acpi_probe_table,, _end) #else #define ACPI_PROBE_TABLE(name) #endif @@ -328,9 +341,8 @@ #ifdef CONFIG_THERMAL #define THERMAL_TABLE(name) \ . = ALIGN(8); \ - __##name##_thermal_table = .; \ - KEEP(*(__##name##_thermal_table)) \ - __##name##_thermal_table_end = .; + BOUNDED_SECTION_POST_LABEL(__##name##_thermal_table, \ + __##name##_thermal_table,, _end) #else #define THERMAL_TABLE(name) #endif @@ -360,12 +372,8 @@ *(__tracepoints) \ /* implement dynamic printk debug */ \ . = ALIGN(8); \ - __start___dyndbg_classes = .; \ - KEEP(*(__dyndbg_classes)) \ - __stop___dyndbg_classes = .; \ - __start___dyndbg = .; \ - KEEP(*(__dyndbg)) \ - __stop___dyndbg = .; \ + BOUNDED_SECTION_BY(__dyndbg_classes, ___dyndbg_classes) \ + BOUNDED_SECTION_BY(__dyndbg, ___dyndbg) \ LIKELY_PROFILE() \ BRANCH_PROFILE() \ TRACE_PRINTKS() \ @@ -408,19 +416,13 @@ #define JUMP_TABLE_DATA \ . = ALIGN(8); \ - __start___jump_table = .; \ - KEEP(*(__jump_table)) \ - __stop___jump_table = .; + BOUNDED_SECTION_BY(__jump_table, ___jump_table) #ifdef CONFIG_HAVE_STATIC_CALL_INLINE #define STATIC_CALL_DATA \ . = ALIGN(8); \ - __start_static_call_sites = .; \ - KEEP(*(.static_call_sites)) \ - __stop_static_call_sites = .; \ - __start_static_call_tramp_key = .; \ - KEEP(*(.static_call_tramp_key)) \ - __stop_static_call_tramp_key = .; + BOUNDED_SECTION_BY(.static_call_sites, _static_call_sites) \ + BOUNDED_SECTION_BY(.static_call_tramp_key, _static_call_tramp_key) #else #define STATIC_CALL_DATA #endif @@ -446,9 +448,7 @@ #ifdef CONFIG_ARCH_USES_CFI_TRAPS #define KCFI_TRAPS \ __kcfi_traps : AT(ADDR(__kcfi_traps) - LOAD_OFFSET) { \ - __start___kcfi_traps = .; \ - KEEP(*(.kcfi_traps)) \ - __stop___kcfi_traps = .; \ + BOUNDED_SECTION_BY(.kcfi_traps, ___kcfi_traps) \ } #else #define KCFI_TRAPS @@ -466,9 +466,7 @@ SCHED_DATA \ RO_AFTER_INIT_DATA /* Read only after init */ \ . = ALIGN(8); \ - __start___tracepoints_ptrs = .; \ - KEEP(*(__tracepoints_ptrs)) /* Tracepoints: pointer array */ \ - __stop___tracepoints_ptrs = .; \ + BOUNDED_SECTION_BY(__tracepoints_ptrs, ___tracepoints_ptrs) \ *(__tracepoints_strings)/* Tracepoints: strings */ \ } \ \ @@ -478,30 +476,14 @@ \ /* PCI quirks */ \ .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \ - __start_pci_fixups_early = .; \ - KEEP(*(.pci_fixup_early)) \ - __end_pci_fixups_early = .; \ - __start_pci_fixups_header = .; \ - KEEP(*(.pci_fixup_header)) \ - __end_pci_fixups_header = .; \ - __start_pci_fixups_final = .; \ - KEEP(*(.pci_fixup_final)) \ - __end_pci_fixups_final = .; \ - __start_pci_fixups_enable = .; \ - KEEP(*(.pci_fixup_enable)) \ - __end_pci_fixups_enable = .; \ - __start_pci_fixups_resume = .; \ - KEEP(*(.pci_fixup_resume)) \ - __end_pci_fixups_resume = .; \ - __start_pci_fixups_resume_early = .; \ - KEEP(*(.pci_fixup_resume_early)) \ - __end_pci_fixups_resume_early = .; \ - __start_pci_fixups_suspend = .; \ - KEEP(*(.pci_fixup_suspend)) \ - __end_pci_fixups_suspend = .; \ - __start_pci_fixups_suspend_late = .; \ - KEEP(*(.pci_fixup_suspend_late)) \ - __end_pci_fixups_suspend_late = .; \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_early, _pci_fixups_early, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_header, _pci_fixups_header, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_final, _pci_fixups_final, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_enable, _pci_fixups_enable, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_resume, _pci_fixups_resume, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_suspend, _pci_fixups_suspend, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_resume_early, _pci_fixups_resume_early, __start, __end) \ + BOUNDED_SECTION_PRE_LABEL(.pci_fixup_suspend_late, _pci_fixups_suspend_late, __start, __end) \ } \ \ FW_LOADER_BUILT_IN_DATA \ @@ -551,16 +533,12 @@ \ /* Built-in module parameters. */ \ __param : AT(ADDR(__param) - LOAD_OFFSET) { \ - __start___param = .; \ - KEEP(*(__param)) \ - __stop___param = .; \ + BOUNDED_SECTION_BY(__param, ___param) \ } \ \ /* Built-in module versions. */ \ __modver : AT(ADDR(__modver) - LOAD_OFFSET) { \ - __start___modver = .; \ - KEEP(*(__modver)) \ - __stop___modver = .; \ + BOUNDED_SECTION_BY(__modver, ___modver) \ } \ \ KCFI_TRAPS \ @@ -670,9 +648,7 @@ #define EXCEPTION_TABLE(align) \ . = ALIGN(align); \ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { \ - __start___ex_table = .; \ - KEEP(*(__ex_table)) \ - __stop___ex_table = .; \ + BOUNDED_SECTION_BY(__ex_table, ___ex_table) \ } /* @@ -681,9 +657,7 @@ #ifdef CONFIG_DEBUG_INFO_BTF #define BTF \ .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { \ - __start_BTF = .; \ - KEEP(*(.BTF)) \ - __stop_BTF = .; \ + BOUNDED_SECTION_BY(.BTF, _BTF) \ } \ . = ALIGN(4); \ .BTF_ids : AT(ADDR(.BTF_ids) - LOAD_OFFSET) { \ @@ -860,9 +834,7 @@ #define BUG_TABLE \ . = ALIGN(8); \ __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \ - __start___bug_table = .; \ - KEEP(*(__bug_table)) \ - __stop___bug_table = .; \ + BOUNDED_SECTION_BY(__bug_table, ___bug_table) \ } #else #define BUG_TABLE @@ -872,15 +844,11 @@ #define ORC_UNWIND_TABLE \ . = ALIGN(4); \ .orc_unwind_ip : AT(ADDR(.orc_unwind_ip) - LOAD_OFFSET) { \ - __start_orc_unwind_ip = .; \ - KEEP(*(.orc_unwind_ip)) \ - __stop_orc_unwind_ip = .; \ + BOUNDED_SECTION_BY(.orc_unwind_ip, _orc_unwind_ip) \ } \ . = ALIGN(2); \ .orc_unwind : AT(ADDR(.orc_unwind) - LOAD_OFFSET) { \ - __start_orc_unwind = .; \ - KEEP(*(.orc_unwind)) \ - __stop_orc_unwind = .; \ + BOUNDED_SECTION_BY(.orc_unwind, _orc_unwind) \ } \ text_size = _etext - _stext; \ . = ALIGN(4); \ @@ -898,9 +866,7 @@ #ifdef CONFIG_FW_LOADER #define FW_LOADER_BUILT_IN_DATA \ .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) ALIGN(8) { \ - __start_builtin_fw = .; \ - KEEP(*(.builtin_fw)) \ - __end_builtin_fw = .; \ + BOUNDED_SECTION_PRE_LABEL(.builtin_fw, _builtin_fw, __start, __end) \ } #else #define FW_LOADER_BUILT_IN_DATA @@ -910,9 +876,7 @@ #define TRACEDATA \ . = ALIGN(4); \ .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \ - __tracedata_start = .; \ - KEEP(*(.tracedata)) \ - __tracedata_end = .; \ + BOUNDED_SECTION_POST_LABEL(.tracedata, __tracedata, _start, _end) \ } #else #define TRACEDATA @@ -921,9 +885,7 @@ #ifdef CONFIG_PRINTK_INDEX #define PRINTK_INDEX \ .printk_index : AT(ADDR(.printk_index) - LOAD_OFFSET) { \ - __start_printk_index = .; \ - *(.printk_index) \ - __stop_printk_index = .; \ + BOUNDED_SECTION_BY(.printk_index, _printk_index) \ } #else #define PRINTK_INDEX @@ -931,17 +893,13 @@ #define NOTES \ .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \ - __start_notes = .; \ - KEEP(*(.note.*)) \ - __stop_notes = .; \ + BOUNDED_SECTION_BY(.note.*, _notes) \ } NOTES_HEADERS \ NOTES_HEADERS_RESTORE #define INIT_SETUP(initsetup_align) \ . = ALIGN(initsetup_align); \ - __setup_start = .; \ - KEEP(*(.init.setup)) \ - __setup_end = .; + BOUNDED_SECTION_POST_LABEL(.init.setup, __setup, _start, _end) #define INIT_CALLS_LEVEL(level) \ __initcall##level##_start = .; \ @@ -963,16 +921,12 @@ __initcall_end = .; #define CON_INITCALL \ - __con_initcall_start = .; \ - KEEP(*(.con_initcall.init)) \ - __con_initcall_end = .; + BOUNDED_SECTION_POST_LABEL(.con_initcall.init, __con_initcall, _start, _end) /* Alignment must be consistent with (kunit_suite *) in include/kunit/test.h */ #define KUNIT_TABLE() \ . = ALIGN(8); \ - __kunit_suites_start = .; \ - KEEP(*(.kunit_test_suites)) \ - __kunit_suites_end = .; + BOUNDED_SECTION_POST_LABEL(.kunit_test_suites, __kunit_suites, _start, _end) #ifdef CONFIG_BLK_DEV_INITRD #define INIT_RAM_FS \ |