File: systemz-init-padding.s

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (27 lines) | stat: -rw-r--r-- 762 bytes parent folder | download | duplicates (9) 
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
 
# REQUIRES: systemz
# RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %p/Inputs/systemz-init.s -o systemz-init.o
# RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
# RUN: ld.lld -dynamic-linker /lib/ld64.so.1 %t.o systemz-init.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn -j .init %t | FileCheck %s

# glibc < 2.39 used to align .init and .fini code at a 4-byte boundary.
# When that happens, the linker must not pad the code with invalid
# instructions, e.g. null bytes.
	.section        .init,"ax",@progbits
	brasl %r14, startup

# CHECK:      <.init>:
# CHECK-NEXT: brasl %r14,
# CHECK-NEXT: nopr   %r7
# CHECK-NEXT: lg %r4, 272(%r15)

	.text
	.globl startup
	.p2align 4
startup:
	br %r14

	.globl main
	.p2align 4
main:
	br %r14