Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

Pull kbuild updates from Michal Marek:

 - prototypes for x86 asm-exported symbols (Adam Borowski) and a warning
   about missing CRCs (Nick Piggin)

 - asm-exports fix for LTO (Nicolas Pitre)

 - thin archives improvements (Nick Piggin)

 - linker script fix for CONFIG_LD_DEAD_CODE_DATA_ELIMINATION (Nick
   Piggin)

 - genksyms support for __builtin_va_list keyword

 - misc minor fixes

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  x86/kbuild: enable modversions for symbols exported from asm
  kbuild: fix scripts/adjust_autoksyms.sh* for the no modules case
  scripts/kallsyms: remove last remnants of --page-offset option
  make use of make variable CURDIR instead of calling pwd
  kbuild: cmd_export_list: tighten the sed script
  kbuild: minor improvement for thin archives build
  kbuild: modpost warn if export version crc is missing
  kbuild: keep data tables through dead code elimination
  kbuild: improve linker compatibility with lib-ksyms.o build
  genksyms: Regenerate parser
  kbuild/genksyms: handle va_list type
  kbuild: thin archives for multi-y targets
  kbuild: kallsyms allow 3-pass generation if symbols size has changed
This commit is contained in:
Linus Torvalds 2016-12-17 16:24:13 -08:00
commit 41e0e24b45
27 changed files with 522 additions and 474 deletions

View File

@ -0,0 +1,16 @@
#include <asm/ftrace.h>
#include <asm/uaccess.h>
#include <asm/string.h>
#include <asm/page.h>
#include <asm/checksum.h>
#include <asm-generic/asm-prototypes.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/special_insns.h>
#include <asm/preempt.h>
#ifndef CONFIG_X86_CMPXCHG64
extern void cmpxchg8b_emu(void);
#endif

View File

@ -0,0 +1,7 @@
#include <linux/bitops.h>
extern void *__memset(void *, int, __kernel_size_t);
extern void *__memcpy(void *, const void *, __kernel_size_t);
extern void *__memmove(void *, const void *, __kernel_size_t);
extern void *memset(void *, int, __kernel_size_t);
extern void *memcpy(void *, const void *, __kernel_size_t);
extern void *memmove(void *, const void *, __kernel_size_t);

View File

@ -114,7 +114,7 @@
#ifdef CONFIG_KPROBES
#define KPROBE_BLACKLIST() . = ALIGN(8); \
VMLINUX_SYMBOL(__start_kprobe_blacklist) = .; \
*(_kprobe_blacklist) \
KEEP(*(_kprobe_blacklist)) \
VMLINUX_SYMBOL(__stop_kprobe_blacklist) = .;
#else
#define KPROBE_BLACKLIST()
@ -123,10 +123,10 @@
#ifdef CONFIG_EVENT_TRACING
#define FTRACE_EVENTS() . = ALIGN(8); \
VMLINUX_SYMBOL(__start_ftrace_events) = .; \
*(_ftrace_events) \
KEEP(*(_ftrace_events)) \
VMLINUX_SYMBOL(__stop_ftrace_events) = .; \
VMLINUX_SYMBOL(__start_ftrace_enum_maps) = .; \
*(_ftrace_enum_map) \
KEEP(*(_ftrace_enum_map)) \
VMLINUX_SYMBOL(__stop_ftrace_enum_maps) = .;
#else
#define FTRACE_EVENTS()
@ -134,10 +134,10 @@
#ifdef CONFIG_TRACING
#define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .; \
*(__trace_printk_fmt) /* Trace_printk fmt' pointer */ \
KEEP(*(__trace_printk_fmt)) /* Trace_printk fmt' pointer */ \
VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
#define TRACEPOINT_STR() VMLINUX_SYMBOL(__start___tracepoint_str) = .; \
*(__tracepoint_str) /* Trace_printk fmt' pointer */ \
KEEP(*(__tracepoint_str)) /* Trace_printk fmt' pointer */ \
VMLINUX_SYMBOL(__stop___tracepoint_str) = .;
#else
#define TRACE_PRINTKS()
@ -147,7 +147,7 @@
#ifdef CONFIG_FTRACE_SYSCALLS
#define TRACE_SYSCALLS() . = ALIGN(8); \
VMLINUX_SYMBOL(__start_syscalls_metadata) = .; \
*(__syscalls_metadata) \
KEEP(*(__syscalls_metadata)) \
VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
#else
#define TRACE_SYSCALLS()
@ -156,7 +156,7 @@
#ifdef CONFIG_SERIAL_EARLYCON
#define EARLYCON_TABLE() STRUCT_ALIGN(); \
VMLINUX_SYMBOL(__earlycon_table) = .; \
*(__earlycon_table) \
KEEP(*(__earlycon_table)) \
VMLINUX_SYMBOL(__earlycon_table_end) = .;
#else
#define EARLYCON_TABLE()
@ -169,8 +169,8 @@
#define _OF_TABLE_1(name) \
. = ALIGN(8); \
VMLINUX_SYMBOL(__##name##_of_table) = .; \
*(__##name##_of_table) \
*(__##name##_of_table_end)
KEEP(*(__##name##_of_table)) \
KEEP(*(__##name##_of_table_end))
#define CLKSRC_OF_TABLES() OF_TABLE(CONFIG_CLKSRC_OF, clksrc)
#define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
@ -184,7 +184,7 @@
#define ACPI_PROBE_TABLE(name) \
. = ALIGN(8); \
VMLINUX_SYMBOL(__##name##_acpi_probe_table) = .; \
*(__##name##_acpi_probe_table) \
KEEP(*(__##name##_acpi_probe_table)) \
VMLINUX_SYMBOL(__##name##_acpi_probe_table_end) = .;
#else
#define ACPI_PROBE_TABLE(name)
@ -193,7 +193,7 @@
#define KERNEL_DTB() \
STRUCT_ALIGN(); \
VMLINUX_SYMBOL(__dtb_start) = .; \
*(.dtb.init.rodata) \
KEEP(*(.dtb.init.rodata)) \
VMLINUX_SYMBOL(__dtb_end) = .;
/*
@ -214,11 +214,11 @@
/* implement dynamic printk debug */ \
. = ALIGN(8); \
VMLINUX_SYMBOL(__start___jump_table) = .; \
*(__jump_table) \
KEEP(*(__jump_table)) \
VMLINUX_SYMBOL(__stop___jump_table) = .; \
. = ALIGN(8); \
VMLINUX_SYMBOL(__start___verbose) = .; \
*(__verbose) \
KEEP(*(__verbose)) \
VMLINUX_SYMBOL(__stop___verbose) = .; \
LIKELY_PROFILE() \
BRANCH_PROFILE() \
@ -274,10 +274,10 @@
VMLINUX_SYMBOL(__start_rodata) = .; \
*(.rodata) *(.rodata.*) \
RO_AFTER_INIT_DATA /* Read only after init */ \
*(__vermagic) /* Kernel version magic */ \
KEEP(*(__vermagic)) /* Kernel version magic */ \
. = ALIGN(8); \
VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \
*(__tracepoints_ptrs) /* Tracepoints: pointer array */\
KEEP(*(__tracepoints_ptrs)) /* Tracepoints: pointer array */ \
VMLINUX_SYMBOL(__stop___tracepoints_ptrs) = .; \
*(__tracepoints_strings)/* Tracepoints: strings */ \
} \
@ -291,35 +291,35 @@
/* PCI quirks */ \
.pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
*(.pci_fixup_early) \
KEEP(*(.pci_fixup_early)) \
VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
*(.pci_fixup_header) \
KEEP(*(.pci_fixup_header)) \
VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
*(.pci_fixup_final) \
KEEP(*(.pci_fixup_final)) \
VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
*(.pci_fixup_enable) \
KEEP(*(.pci_fixup_enable)) \
VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
*(.pci_fixup_resume) \
KEEP(*(.pci_fixup_resume)) \
VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
*(.pci_fixup_resume_early) \
KEEP(*(.pci_fixup_resume_early)) \
VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
*(.pci_fixup_suspend) \
KEEP(*(.pci_fixup_suspend)) \
VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
VMLINUX_SYMBOL(__start_pci_fixups_suspend_late) = .; \
*(.pci_fixup_suspend_late) \
KEEP(*(.pci_fixup_suspend_late)) \
VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .; \
} \
\
/* Built-in firmware blobs */ \
.builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_builtin_fw) = .; \
*(.builtin_fw) \
KEEP(*(.builtin_fw)) \
VMLINUX_SYMBOL(__end_builtin_fw) = .; \
} \
\
@ -397,7 +397,7 @@
\
/* Kernel symbol table: strings */ \
__ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
KEEP(*(__ksymtab_strings)) \
*(__ksymtab_strings) \
} \
\
/* __*init sections */ \
@ -410,14 +410,14 @@
/* Built-in module parameters. */ \
__param : AT(ADDR(__param) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___param) = .; \
*(__param) \
KEEP(*(__param)) \
VMLINUX_SYMBOL(__stop___param) = .; \
} \
\
/* Built-in module versions. */ \
__modver : AT(ADDR(__modver) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___modver) = .; \
*(__modver) \
KEEP(*(__modver)) \
VMLINUX_SYMBOL(__stop___modver) = .; \
. = ALIGN((align)); \
VMLINUX_SYMBOL(__end_rodata) = .; \
@ -520,7 +520,7 @@
. = ALIGN(align); \
__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___ex_table) = .; \
*(__ex_table) \
KEEP(*(__ex_table)) \
VMLINUX_SYMBOL(__stop___ex_table) = .; \
}
@ -536,9 +536,9 @@
#ifdef CONFIG_CONSTRUCTORS
#define KERNEL_CTORS() . = ALIGN(8); \
VMLINUX_SYMBOL(__ctors_start) = .; \
*(.ctors) \
*(SORT(.init_array.*)) \
*(.init_array) \
KEEP(*(.ctors)) \
KEEP(*(SORT(.init_array.*))) \
KEEP(*(.init_array)) \
VMLINUX_SYMBOL(__ctors_end) = .;
#else
#define KERNEL_CTORS()
@ -663,7 +663,7 @@
. = ALIGN(8); \
__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___bug_table) = .; \
*(__bug_table) \
KEEP(*(__bug_table)) \
VMLINUX_SYMBOL(__stop___bug_table) = .; \
}
#else
@ -675,7 +675,7 @@
. = ALIGN(4); \
.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__tracedata_start) = .; \
*(.tracedata) \
KEEP(*(.tracedata)) \
VMLINUX_SYMBOL(__tracedata_end) = .; \
}
#else
@ -692,7 +692,7 @@
#define INIT_SETUP(initsetup_align) \
. = ALIGN(initsetup_align); \
VMLINUX_SYMBOL(__setup_start) = .; \
*(.init.setup) \
KEEP(*(.init.setup)) \
VMLINUX_SYMBOL(__setup_end) = .;
#define INIT_CALLS_LEVEL(level) \

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@ -141,10 +141,10 @@ CLANG ?= clang
# Trick to allow make to be run from this directory
all:
$(MAKE) -C ../../ $$PWD/
$(MAKE) -C ../../ $(CURDIR)/
clean:
$(MAKE) -C ../../ M=$$PWD clean
$(MAKE) -C ../../ M=$(CURDIR) clean
@rm -f *~
# Verify LLVM compiler tools are available and bpf target is supported by llc

View File

@ -13,4 +13,4 @@ HOSTCFLAGS_ucon.o += -I$(objtree)/usr/include
all: modules
modules clean:
$(MAKE) -C ../.. SUBDIRS=$(PWD) $@
$(MAKE) -C ../.. SUBDIRS=$(CURDIR) $@

View File

@ -488,9 +488,9 @@ endif
quiet_cmd_export_list = EXPORTS $@
cmd_export_list = $(OBJDUMP) -h $< | \
sed -ne '/___ksymtab/{s/.*+/$(ref_prefix)/;s/ .*/)/;p}' >$(ksyms-lds);\
sed -ne '/___ksymtab/s/.*+\([^ ]*\).*/$(ref_prefix)\1)/p' >$(ksyms-lds);\
rm -f $(dummy-object);\
$(AR) rcs$(KBUILD_ARFLAGS) $(dummy-object);\
echo | $(CC) $(a_flags) -c -o $(dummy-object) -x assembler -;\
$(LD) $(ld_flags) -r -o $@ -T $(ksyms-lds) $(dummy-object);\
rm $(dummy-object) $(ksyms-lds)
@ -517,11 +517,18 @@ $($(subst $(obj)/,,$(@:.o=-objs))) \
$($(subst $(obj)/,,$(@:.o=-y))) \
$($(subst $(obj)/,,$(@:.o=-m)))), $^)
quiet_cmd_link_multi-y = LD $@
cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis)
cmd_link_multi-link = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis)
ifdef CONFIG_THIN_ARCHIVES
quiet_cmd_link_multi-y = AR $@
cmd_link_multi-y = rm -f $@; $(AR) rcST$(KBUILD_ARFLAGS) $@ $(link_multi_deps)
else
quiet_cmd_link_multi-y = LD $@
cmd_link_multi-y = $(cmd_link_multi-link)
endif
quiet_cmd_link_multi-m = LD [M] $@
cmd_link_multi-m = $(cmd_link_multi-y)
cmd_link_multi-m = $(cmd_link_multi-link)
$(multi-used-y): FORCE
$(call if_changed,link_multi-y)

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@ -59,6 +59,7 @@ cat > "$new_ksyms_file" << EOT
*/
EOT
[ "$(ls -A "$MODVERDIR")" ] &&
sed -ns -e '3{s/ /\n/g;/^$/!p;}' "$MODVERDIR"/*.mod | sort -u |
while read sym; do
if [ -n "$CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX" ]; then

View File

@ -27,6 +27,7 @@ __typeof, TYPEOF_KEYW
__typeof__, TYPEOF_KEYW
__volatile, VOLATILE_KEYW
__volatile__, VOLATILE_KEYW
__builtin_va_list, VA_LIST_KEYW
# According to rth, c99 defines _Bool, __restrict, __restrict__, restrict. KAO
_Bool, BOOL_KEYW
_restrict, RESTRICT_KEYW

View File

@ -57,7 +57,7 @@ is_reserved_hash (register const char *str, register unsigned int len)
101, 101, 101, 101, 101, 101, 101, 101, 101, 0,
101, 101, 101, 101, 101, 101, 15, 101, 101, 101,
0, 101, 101, 101, 101, 101, 101, 101, 101, 101,
101, 101, 101, 101, 101, 0, 101, 0, 101, 5,
101, 101, 101, 101, 101, 0, 101, 0, 0, 5,
25, 20, 55, 30, 101, 15, 101, 101, 10, 0,
10, 40, 10, 101, 10, 5, 0, 10, 15, 101,
101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
@ -89,7 +89,7 @@ is_reserved_word (register const char *str, register unsigned int len)
{
enum
{
TOTAL_KEYWORDS = 46,
TOTAL_KEYWORDS = 47,
MIN_WORD_LENGTH = 3,
MAX_WORD_LENGTH = 24,
MIN_HASH_VALUE = 3,
@ -99,7 +99,7 @@ is_reserved_word (register const char *str, register unsigned int len)
static const struct resword wordlist[] =
{
{""}, {""}, {""},
#line 35 "scripts/genksyms/keywords.gperf"
#line 36 "scripts/genksyms/keywords.gperf"
{"asm", ASM_KEYW},
{""},
#line 15 "scripts/genksyms/keywords.gperf"
@ -119,20 +119,21 @@ is_reserved_word (register const char *str, register unsigned int len)
{"__const__", CONST_KEYW},
#line 25 "scripts/genksyms/keywords.gperf"
{"__signed__", SIGNED_KEYW},
#line 53 "scripts/genksyms/keywords.gperf"
{"static", STATIC_KEYW},
{""},
#line 48 "scripts/genksyms/keywords.gperf"
{"int", INT_KEYW},
#line 41 "scripts/genksyms/keywords.gperf"
{"char", CHAR_KEYW},
#line 42 "scripts/genksyms/keywords.gperf"
{"const", CONST_KEYW},
#line 54 "scripts/genksyms/keywords.gperf"
{"static", STATIC_KEYW},
#line 30 "scripts/genksyms/keywords.gperf"
{"__builtin_va_list", VA_LIST_KEYW},
#line 49 "scripts/genksyms/keywords.gperf"
{"int", INT_KEYW},
#line 42 "scripts/genksyms/keywords.gperf"
{"char", CHAR_KEYW},
#line 43 "scripts/genksyms/keywords.gperf"
{"const", CONST_KEYW},
#line 55 "scripts/genksyms/keywords.gperf"
{"struct", STRUCT_KEYW},
#line 33 "scripts/genksyms/keywords.gperf"
{"__restrict__", RESTRICT_KEYW},
#line 34 "scripts/genksyms/keywords.gperf"
{"__restrict__", RESTRICT_KEYW},
#line 35 "scripts/genksyms/keywords.gperf"
{"restrict", RESTRICT_KEYW},
#line 12 "scripts/genksyms/keywords.gperf"
{"EXPORT_SYMBOL_GPL_FUTURE", EXPORT_SYMBOL_KEYW},
@ -143,7 +144,7 @@ is_reserved_word (register const char *str, register unsigned int len)
{"__volatile__", VOLATILE_KEYW},
#line 10 "scripts/genksyms/keywords.gperf"
{"EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW},
#line 32 "scripts/genksyms/keywords.gperf"
#line 33 "scripts/genksyms/keywords.gperf"
{"_restrict", RESTRICT_KEYW},
{""},
#line 17 "scripts/genksyms/keywords.gperf"
@ -152,64 +153,64 @@ is_reserved_word (register const char *str, register unsigned int len)
{"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW},
#line 21 "scripts/genksyms/keywords.gperf"
{"__extension__", EXTENSION_KEYW},
#line 44 "scripts/genksyms/keywords.gperf"
#line 45 "scripts/genksyms/keywords.gperf"
{"enum", ENUM_KEYW},
#line 13 "scripts/genksyms/keywords.gperf"
{"EXPORT_UNUSED_SYMBOL", EXPORT_SYMBOL_KEYW},
#line 45 "scripts/genksyms/keywords.gperf"
#line 46 "scripts/genksyms/keywords.gperf"
{"extern", EXTERN_KEYW},
{""},
#line 24 "scripts/genksyms/keywords.gperf"
{"__signed", SIGNED_KEYW},
#line 14 "scripts/genksyms/keywords.gperf"
{"EXPORT_UNUSED_SYMBOL_GPL", EXPORT_SYMBOL_KEYW},
#line 57 "scripts/genksyms/keywords.gperf"
#line 58 "scripts/genksyms/keywords.gperf"
{"union", UNION_KEYW},
{""}, {""},
#line 22 "scripts/genksyms/keywords.gperf"
{"__inline", INLINE_KEYW},
#line 40 "scripts/genksyms/keywords.gperf"
#line 41 "scripts/genksyms/keywords.gperf"
{"auto", AUTO_KEYW},
#line 28 "scripts/genksyms/keywords.gperf"
{"__volatile", VOLATILE_KEYW},
{""}, {""},
#line 58 "scripts/genksyms/keywords.gperf"
#line 59 "scripts/genksyms/keywords.gperf"
{"unsigned", UNSIGNED_KEYW},
{""},
#line 51 "scripts/genksyms/keywords.gperf"
#line 52 "scripts/genksyms/keywords.gperf"
{"short", SHORT_KEYW},
#line 47 "scripts/genksyms/keywords.gperf"
#line 48 "scripts/genksyms/keywords.gperf"
{"inline", INLINE_KEYW},
{""},
#line 60 "scripts/genksyms/keywords.gperf"
#line 61 "scripts/genksyms/keywords.gperf"
{"volatile", VOLATILE_KEYW},
#line 49 "scripts/genksyms/keywords.gperf"
#line 50 "scripts/genksyms/keywords.gperf"
{"long", LONG_KEYW},
#line 31 "scripts/genksyms/keywords.gperf"
#line 32 "scripts/genksyms/keywords.gperf"
{"_Bool", BOOL_KEYW},
{""}, {""},
#line 50 "scripts/genksyms/keywords.gperf"
#line 51 "scripts/genksyms/keywords.gperf"
{"register", REGISTER_KEYW},
#line 59 "scripts/genksyms/keywords.gperf"
#line 60 "scripts/genksyms/keywords.gperf"
{"void", VOID_KEYW},
{""},
#line 43 "scripts/genksyms/keywords.gperf"
#line 44 "scripts/genksyms/keywords.gperf"
{"double", DOUBLE_KEYW},
{""},
#line 26 "scripts/genksyms/keywords.gperf"
{"__typeof", TYPEOF_KEYW},
{""}, {""},
#line 52 "scripts/genksyms/keywords.gperf"
#line 53 "scripts/genksyms/keywords.gperf"
{"signed", SIGNED_KEYW},
{""}, {""}, {""}, {""},
#line 56 "scripts/genksyms/keywords.gperf"
#line 57 "scripts/genksyms/keywords.gperf"
{"typeof", TYPEOF_KEYW},
#line 55 "scripts/genksyms/keywords.gperf"
#line 56 "scripts/genksyms/keywords.gperf"
{"typedef", TYPEDEF_KEYW},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
#line 46 "scripts/genksyms/keywords.gperf"
#line 47 "scripts/genksyms/keywords.gperf"
{"float", FLOAT_KEYW}
};

File diff suppressed because it is too large Load Diff

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@ -72,22 +72,23 @@ extern int yydebug;
VOID_KEYW = 281,
VOLATILE_KEYW = 282,
TYPEOF_KEYW = 283,
EXPORT_SYMBOL_KEYW = 284,
ASM_PHRASE = 285,
ATTRIBUTE_PHRASE = 286,
TYPEOF_PHRASE = 287,
BRACE_PHRASE = 288,
BRACKET_PHRASE = 289,
EXPRESSION_PHRASE = 290,
CHAR = 291,
DOTS = 292,
IDENT = 293,
INT = 294,
REAL = 295,
STRING = 296,
TYPE = 297,
OTHER = 298,
FILENAME = 299
VA_LIST_KEYW = 284,
EXPORT_SYMBOL_KEYW = 285,
ASM_PHRASE = 286,
ATTRIBUTE_PHRASE = 287,
TYPEOF_PHRASE = 288,
BRACE_PHRASE = 289,
BRACKET_PHRASE = 290,
EXPRESSION_PHRASE = 291,
CHAR = 292,
DOTS = 293,
IDENT = 294,
INT = 295,
REAL = 296,
STRING = 297,
TYPE = 298,
OTHER = 299,
FILENAME = 300
};
#endif

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@ -98,6 +98,7 @@ static void record_compound(struct string_list **keyw,
%token VOID_KEYW
%token VOLATILE_KEYW
%token TYPEOF_KEYW
%token VA_LIST_KEYW
%token EXPORT_SYMBOL_KEYW
@ -261,6 +262,7 @@ simple_type_specifier:
| DOUBLE_KEYW
| VOID_KEYW
| BOOL_KEYW
| VA_LIST_KEYW
| TYPE { (*$1)->tag = SYM_TYPEDEF; $$ = $1; }
;

View File

@ -76,7 +76,6 @@ static void usage(void)
{
fprintf(stderr, "Usage: kallsyms [--all-symbols] "
"[--symbol-prefix=<prefix char>] "
"[--page-offset=<CONFIG_PAGE_OFFSET>] "
"[--base-relative] < in.map > out.S\n");
exit(1);
}

View File

@ -209,15 +209,6 @@ case "${KCONFIG_CONFIG}" in
. "./${KCONFIG_CONFIG}"
esac
archive_builtin
#link vmlinux.o
info LD vmlinux.o
modpost_link vmlinux.o
# modpost vmlinux.o to check for section mismatches
${MAKE} -f "${srctree}/scripts/Makefile.modpost" vmlinux.o
# Update version
info GEN .version
if [ ! -r .version ]; then
@ -231,6 +222,15 @@ fi;
# final build of init/
${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}"
archive_builtin
#link vmlinux.o
info LD vmlinux.o
modpost_link vmlinux.o
# modpost vmlinux.o to check for section mismatches
${MAKE} -f "${srctree}/scripts/Makefile.modpost" vmlinux.o
kallsymso=""
kallsyms_vmlinux=""
if [ -n "${CONFIG_KALLSYMS}" ]; then
@ -246,10 +246,14 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
# the right size, but due to the added section, some
# addresses have shifted.
# From here, we generate a correct .tmp_kallsyms2.o
# 2a) We may use an extra pass as this has been necessary to
# woraround some alignment related bugs.
# KALLSYMS_EXTRA_PASS=1 is used to trigger this.
# 3) The correct ${kallsymso} is linked into the final vmlinux.
# 3) That link may have expanded the kernel image enough that
# more linker branch stubs / trampolines had to be added, which
# introduces new names, which further expands kallsyms. Do another
# pass if that is the case. In theory it's possible this results
# in even more stubs, but unlikely.
# KALLSYMS_EXTRA_PASS=1 may also used to debug or work around
# other bugs.
# 4) The correct ${kallsymso} is linked into the final vmlinux.
#
# a) Verify that the System.map from vmlinux matches the map from
# ${kallsymso}.
@ -265,8 +269,11 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
vmlinux_link .tmp_kallsyms1.o .tmp_vmlinux2
kallsyms .tmp_vmlinux2 .tmp_kallsyms2.o
# step 2a
if [ -n "${KALLSYMS_EXTRA_PASS}" ]; then
# step 3
size1=$(stat -c "%s" .tmp_kallsyms1.o)
size2=$(stat -c "%s" .tmp_kallsyms2.o)
if [ $size1 -ne $size2 ] || [ -n "${KALLSYMS_EXTRA_PASS}" ]; then
kallsymso=.tmp_kallsyms3.o
kallsyms_vmlinux=.tmp_vmlinux3

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@ -609,6 +609,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
{
unsigned int crc;
enum export export;
bool is_crc = false;
if ((!is_vmlinux(mod->name) || mod->is_dot_o) &&
strncmp(symname, "__ksymtab", 9) == 0)
@ -618,6 +619,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
/* CRC'd symbol */
if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
is_crc = true;
crc = (unsigned int) sym->st_value;
sym_update_crc(symname + strlen(CRC_PFX), mod, crc,
export);
@ -663,6 +665,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
else
symname++;
#endif
if (is_crc) {
const char *e = is_vmlinux(mod->name) ?"":".ko";
warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n", symname + strlen(CRC_PFX), mod->name, e);
}
mod->unres = alloc_symbol(symname,
ELF_ST_BIND(sym->st_info) == STB_WEAK,
mod->unres);

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@ -1,5 +1,5 @@
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

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@ -3,7 +3,7 @@ include ../scripts/Makefile.include
bindir ?= /usr/bin
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

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@ -2,7 +2,7 @@ include ../../scripts/Makefile.include
include ../../scripts/utilities.mak # QUIET_CLEAN
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))

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@ -7,7 +7,7 @@ BPF_EXTRAVERSION = 1
MAKEFLAGS += --no-print-directory
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))

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@ -50,7 +50,7 @@ ifndef VERBOSE
endif
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))

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@ -2,7 +2,7 @@ include ../../scripts/Makefile.include
include ../../scripts/utilities.mak # QUIET_CLEAN
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))

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@ -86,7 +86,7 @@ ifndef VERBOSE
endif
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))

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@ -11,12 +11,12 @@ LD = ld
AR = ar
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(PWD)/)
LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/)
LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
OBJTOOL := $(OUTPUT)objtool

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@ -100,7 +100,7 @@ LC_NUMERIC=C
export LC_COLLATE LC_NUMERIC
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif

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@ -42,7 +42,7 @@ LC_NUMERIC=C
export LC_COLLATE LC_NUMERIC
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif

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@ -108,9 +108,6 @@ MKDIR = mkdir
# Now we set up the build system
#
# set up PWD so that older versions of make will work with our build.
PWD = $(shell pwd)
GMO_FILES = ${shell for HLANG in ${LANGUAGES}; do echo $(OUTPUT)po/$$HLANG.gmo; done;}
export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS

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@ -1,7 +1,6 @@
obj-m :=
KDIR := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
KMISC := /lib/modules/$(shell uname -r)/cpufrequtils/
ifeq ("$(CONFIG_X86_TSC)", "y")
@ -9,7 +8,7 @@ ifeq ("$(CONFIG_X86_TSC)", "y")
endif
default:
$(MAKE) -C $(KDIR) M=$(PWD)
$(MAKE) -C $(KDIR) M=$(CURDIR)
clean:
- rm -rf *.o *.ko .tmp-versions .*.cmd .*.mod.* *.mod.c