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coredump: Move definition of struct coredump_params into coredump.h

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Move the definition of struct coredump_params into coredump.h where
it belongs.

Remove the slightly errorneous comment explaining why struct
coredump_params was declared in binfmts.h.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2022-01-31 11:50:46 -06:00
parent 9e1a3ce0a9
commit a99a3e2efa
3 changed files with 13 additions and 13 deletions
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1
fs/binfmt_flat.c
View file

@ -37,6 +37,7 @@
#include <linux/flat.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
#include <linux/coredump.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>

13
include/linux/binfmts.h
View file

@ -8,6 +8,7 @@
#include <uapi/linux/binfmts.h>
struct filename;
struct coredump_params;
#define CORENAME_MAX_SIZE 128
@ -77,18 +78,6 @@ struct linux_binprm {
#define BINPRM_FLAGS_PRESERVE_ARGV0_BIT 3
#define BINPRM_FLAGS_PRESERVE_ARGV0 (1 << BINPRM_FLAGS_PRESERVE_ARGV0_BIT)
/* Function parameter for binfmt->coredump */
struct coredump_params {
const kernel_siginfo_t *siginfo;
struct pt_regs *regs;
struct file *file;
unsigned long limit;
unsigned long mm_flags;
loff_t written;
loff_t pos;
loff_t to_skip;
};
/*
* This structure defines the functions that are used to load the binary formats that
* linux accepts.

12
include/linux/coredump.h
View file

@ -14,11 +14,21 @@ struct core_vma_metadata {
unsigned long dump_size;
};
struct coredump_params {
const kernel_siginfo_t *siginfo;
struct pt_regs *regs;
struct file *file;
unsigned long limit;
unsigned long mm_flags;
loff_t written;
loff_t pos;
loff_t to_skip;
};
/*
* These are the only things you should do on a core-file: use only these
* functions to write out all the necessary info.
*/
struct coredump_params;
extern void dump_skip_to(struct coredump_params *cprm, unsigned long to);
extern void dump_skip(struct coredump_params *cprm, size_t nr);
extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr);