diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | include/linux/buildid.h | 25 | ||||
| -rw-r--r-- | lib/buildid.c | 29 |
3 files changed, 31 insertions, 24 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 545a4776795e..7564692f2f3c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4648,6 +4648,7 @@ F: Documentation/userspace-api/ebpf/ F: arch/*/net/* F: include/linux/bpf* F: include/linux/btf* +F: include/linux/buildid.h F: include/linux/filter.h F: include/trace/events/xdp.h F: include/uapi/linux/bpf* diff --git a/include/linux/buildid.h b/include/linux/buildid.h index 014a88c41073..831c1b4b626c 100644 --- a/include/linux/buildid.h +++ b/include/linux/buildid.h @@ -18,4 +18,29 @@ void init_vmlinux_build_id(void); 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 diff --git a/lib/buildid.c b/lib/buildid.c index c4b0f376fb34..df06e492810d 100644 --- a/lib/buildid.c +++ b/lib/buildid.c @@ -11,27 +11,8 @@ #define MAX_PHDR_CNT 256 -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; - }; - }; -}; - -static void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz, - struct file *file, bool may_fault) +void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz, + struct file *file, bool may_fault) { memset(r, 0, sizeof(*r)); r->buf = buf; @@ -40,7 +21,7 @@ static void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz, r->may_fault = may_fault; } -static void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz) +void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz) { memset(r, 0, sizeof(*r)); r->data = data; @@ -92,7 +73,7 @@ static int freader_get_folio(struct freader *r, loff_t file_off) return 0; } -static const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz) +const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz) { size_t folio_sz; @@ -147,7 +128,7 @@ static const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz) return r->addr + (file_off - r->folio_off); } -static void freader_cleanup(struct freader *r) +void freader_cleanup(struct freader *r) { if (!r->buf) return; /* non-file-backed mode */ |