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0f74914071
When building with W=1, gcc properly complains that there's no prototypes:
CC kernel/elfcore.o
kernel/elfcore.c:7:17: warning: no previous prototype for 'elf_core_extra_phdrs' [-Wmissing-prototypes]
7 | Elf_Half __weak elf_core_extra_phdrs(void)
| ^~~~~~~~~~~~~~~~~~~~
kernel/elfcore.c:12:12: warning: no previous prototype for 'elf_core_write_extra_phdrs' [-Wmissing-prototypes]
12 | int __weak elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/elfcore.c:17:12: warning: no previous prototype for 'elf_core_write_extra_data' [-Wmissing-prototypes]
17 | int __weak elf_core_write_extra_data(struct coredump_params *cprm)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
kernel/elfcore.c:22:15: warning: no previous prototype for 'elf_core_extra_data_size' [-Wmissing-prototypes]
22 | size_t __weak elf_core_extra_data_size(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~
Provide the include file so gcc is happy, and we don't have potential code drift
Link: http://lkml.kernel.org/r/29875.1565224705@turing-police
Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
27 lines
459 B
C
27 lines
459 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/elf.h>
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <linux/binfmts.h>
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#include <linux/elfcore.h>
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Elf_Half __weak elf_core_extra_phdrs(void)
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{
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return 0;
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}
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int __weak elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
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{
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return 1;
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}
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int __weak elf_core_write_extra_data(struct coredump_params *cprm)
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{
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return 1;
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}
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size_t __weak elf_core_extra_data_size(void)
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{
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return 0;
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}
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