diff options
Diffstat (limited to 'tools/perf/tests/bpf-script-test-prologue.c')
| -rw-r--r-- | tools/perf/tests/bpf-script-test-prologue.c | 49 | 
1 files changed, 0 insertions, 49 deletions
diff --git a/tools/perf/tests/bpf-script-test-prologue.c b/tools/perf/tests/bpf-script-test-prologue.c deleted file mode 100644 index 91778b5c6125..000000000000 --- a/tools/perf/tests/bpf-script-test-prologue.c +++ /dev/null @@ -1,49 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * bpf-script-test-prologue.c - * Test BPF prologue - */ -#ifndef LINUX_VERSION_CODE -# error Need LINUX_VERSION_CODE -# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' -#endif -#define SEC(NAME) __attribute__((section(NAME), used)) - -#include <uapi/linux/fs.h> - -/* - * If CONFIG_PROFILE_ALL_BRANCHES is selected, - * 'if' is redefined after include kernel header. - * Recover 'if' for BPF object code. - */ -#ifdef if -# undef if -#endif - -typedef unsigned int __bitwise fmode_t; - -#define FMODE_READ		0x1 -#define FMODE_WRITE		0x2 - -static void (*bpf_trace_printk)(const char *fmt, int fmt_size, ...) = -	(void *) 6; - -SEC("func=null_lseek file->f_mode offset orig") -int bpf_func__null_lseek(void *ctx, int err, unsigned long _f_mode, -			 unsigned long offset, unsigned long orig) -{ -	fmode_t f_mode = (fmode_t)_f_mode; - -	if (err) -		return 0; -	if (f_mode & FMODE_WRITE) -		return 0; -	if (offset & 1) -		return 0; -	if (orig == SEEK_CUR) -		return 0; -	return 1; -} - -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE;  |