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crash: add VMCOREINFO macro to define offset in a struct declared by typedef

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The existing macro VMCOREINFO_OFFSET() can't be used for structures
declared via typedef because "struct" is not part of type definition.

Create another macro for this purpose.

Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Baoquan He <bhe@redhat.com>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200709132344.760-2-john.ogness@linutronix.de
This commit is contained in:
John Ogness 2020-07-09 15:29:41 +02:06 committed by Petr Mladek
parent 625d344978
commit 0d6f55403a
1 changed files with 3 additions and 0 deletions
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3
include/linux/crash_core.h
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@ -53,6 +53,9 @@ phys_addr_t paddr_vmcoreinfo_note(void);
#define VMCOREINFO_OFFSET(name, field) \
vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
(unsigned long)offsetof(struct name, field))
#define VMCOREINFO_TYPE_OFFSET(name, field) \
vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
(unsigned long)offsetof(name, field))
#define VMCOREINFO_LENGTH(name, value) \
vmcoreinfo_append_str("LENGTH(%s)=%lu\n", #name, (unsigned long)value)
#define VMCOREINFO_NUMBER(name) \