File: shared-weak-undefined.s

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (32 lines) | stat: -rw-r--r-- 1,055 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
# RUN: wasm-ld --experimental-pic -shared -o %t.wasm %t.o
# RUN: obj2yaml %t.wasm | FileCheck %s
# RUN: llvm-objdump -d %t.wasm | FileCheck %s -check-prefix=ASM

# Verify the weak undefined symbols are marked as such in the
# dylink section.

.weak weak_func
.functype weak_func () -> (i32)

.globl call_weak
call_weak:
# ASM: <call_weak>:
  .functype call_weak () -> (i32)
  call weak_func
# ASM:           10 80 80 80 80 00      call  0
  end_function
# ASM-NEXT:      0b                     end

#      CHECK: Sections:
# CHECK-NEXT:   - Type:            CUSTOM
# CHECK-NEXT:     Name:            dylink.0
# CHECK-NEXT:     MemorySize:      0
# CHECK-NEXT:     MemoryAlignment: 0
# CHECK-NEXT:     TableSize:       0
# CHECK-NEXT:     TableAlignment:  0
# CHECK-NEXT:     Needed:          []
# CHECK-NEXT:     ImportInfo:
# CHECK-NEXT:       - Module:          env
# CHECK-NEXT:         Field:           weak_func
# CHECK-NEXT:         Flags:           [ BINDING_WEAK, UNDEFINED ]