File: bpf-attr-preserve-static-offset-warns.c

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (23 lines) | stat: -rw-r--r-- 900 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clang_cc1 -fsyntax-only -verify -triple bpf-pc-linux-gnu %s

#define __pso __attribute__((preserve_static_offset))

// These are correct usages.
struct foo { int a; } __pso;
union quux { int a; } __pso;
struct doug { int a; } __pso __attribute__((packed));

// Rest are incorrect usages.
typedef int bar __pso;    // expected-error{{attribute only applies to}}
struct goo {
  int a __pso;            // expected-error{{attribute only applies to}}
};
int g __pso;              // expected-error{{attribute only applies to}}
__pso void ffunc1(void);  // expected-error{{attribute only applies to}}
void ffunc2(int a __pso); // expected-error{{attribute only applies to}}
void ffunc3(void) {
  int a __pso;            // expected-error{{attribute only applies to}}
}

struct buz { int a; } __attribute__((preserve_static_offset("hello"))); // \
  expected-error{{attribute takes no arguments}}