diff options
Diffstat (limited to 'include/linux/buildid.h')
| -rw-r--r-- | include/linux/buildid.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/include/linux/buildid.h b/include/linux/buildid.h index 3b7a0ff4642f..831c1b4b626c 100644 --- a/include/linux/buildid.h +++ b/include/linux/buildid.h @@ -2,19 +2,45 @@ #ifndef _LINUX_BUILDID_H #define _LINUX_BUILDID_H -#include <linux/mm_types.h> +#include <linux/types.h> #define BUILD_ID_SIZE_MAX 20 -int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, - __u32 *size); +struct vm_area_struct; +int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size); +int build_id_parse_nofault(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size); int build_id_parse_buf(const void *buf, unsigned char *build_id, u32 buf_size); -#if IS_ENABLED(CONFIG_STACKTRACE_BUILD_ID) || IS_ENABLED(CONFIG_CRASH_CORE) +#if IS_ENABLED(CONFIG_STACKTRACE_BUILD_ID) || IS_ENABLED(CONFIG_VMCORE_INFO) extern unsigned char vmlinux_build_id[BUILD_ID_SIZE_MAX]; void init_vmlinux_build_id(void); #else static inline void init_vmlinux_build_id(void) { } #endif +struct freader { + void *buf; + u32 buf_sz; + int err; + union { + struct { + struct file *file; + struct folio *folio; + void *addr; + loff_t folio_off; + bool may_fault; + }; + struct { + const char *data; + u64 data_sz; + }; + }; +}; + +void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz, + struct file *file, bool may_fault); +void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz); +const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz); +void freader_cleanup(struct freader *r); + #endif |