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| author | Siddharth Nayyar <sidnayyar@google.com> | 2026-03-27 00:25:05 +0300 |
|---|---|---|
| committer | Sami Tolvanen <samitolvanen@google.com> | 2026-04-01 02:42:52 +0300 |
| commit | 55fcb926b6d8b5cfb40873e4840a69961db1bb69 (patch) | |
| tree | 00f3d9a5933ff22e101ff492cd6caba0a0de2b49 /include/linux/export-internal.h | |
| parent | 16d0e04f546ffba78c74bbfeb57d93147bcaf2c5 (diff) | |
| download | linux-55fcb926b6d8b5cfb40873e4840a69961db1bb69.tar.xz | |
module: use kflagstab instead of *_gpl sections
Read kflagstab section for vmlinux and modules to determine whether
kernel symbols are GPL only.
This patch eliminates the need for fragmenting the ksymtab for infering
the value of GPL-only symbol flag, henceforth stop populating *_gpl
versions of the ksymtab and kcrctab in modpost.
Signed-off-by: Siddharth Nayyar <sidnayyar@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Diffstat (limited to 'include/linux/export-internal.h')
| -rw-r--r-- | include/linux/export-internal.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/include/linux/export-internal.h b/include/linux/export-internal.h index 4123c7592404..726054614752 100644 --- a/include/linux/export-internal.h +++ b/include/linux/export-internal.h @@ -37,14 +37,14 @@ * section flag requires it. Use '%progbits' instead of '@progbits' since the * former apparently works on all arches according to the binutils source. */ -#define __KSYMTAB(name, sym, sec, ns) \ +#define __KSYMTAB(name, sym, ns) \ asm(" .section \"__ksymtab_strings\",\"aMS\",%progbits,1" "\n" \ "__kstrtab_" #name ":" "\n" \ " .asciz \"" #name "\"" "\n" \ "__kstrtabns_" #name ":" "\n" \ " .asciz \"" ns "\"" "\n" \ " .previous" "\n" \ - " .section \"___ksymtab" sec "+" #name "\", \"a\"" "\n" \ + " .section \"___ksymtab+" #name "\", \"a\"" "\n" \ __KSYM_ALIGN "\n" \ "__ksymtab_" #name ":" "\n" \ __KSYM_REF(sym) "\n" \ @@ -59,15 +59,16 @@ #define KSYM_FUNC(name) name #endif -#define KSYMTAB_FUNC(name, sec, ns) __KSYMTAB(name, KSYM_FUNC(name), sec, ns) -#define KSYMTAB_DATA(name, sec, ns) __KSYMTAB(name, name, sec, ns) +#define KSYMTAB_FUNC(name, ns) __KSYMTAB(name, KSYM_FUNC(name), ns) +#define KSYMTAB_DATA(name, ns) __KSYMTAB(name, name, ns) -#define SYMBOL_CRC(sym, crc, sec) \ - asm(".section \"___kcrctab" sec "+" #sym "\",\"a\"" "\n" \ - ".balign 4" "\n" \ - "__crc_" #sym ":" "\n" \ - ".long " #crc "\n" \ - ".previous" "\n") +#define SYMBOL_CRC(sym, crc) \ + asm(" .section \"___kcrctab+" #sym "\",\"a\"" "\n" \ + " .balign 4" "\n" \ + "__crc_" #sym ":" "\n" \ + " .long " #crc "\n" \ + " .previous" "\n" \ + ) #define SYMBOL_FLAGS(sym, flags) \ asm(" .section \"___kflagstab+" #sym "\",\"a\"" "\n" \ |