File: mips-got-page.s

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (39 lines) | stat: -rw-r--r-- 1,091 bytes parent folder | download | duplicates (2) 
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
33
34
35
36
37
38
39
 
# REQUIRES: mips
# Check the case when small section (less that 0x10000 bytes) occupies
# two adjacent 0xffff-bytes pages. We need to create two GOT entries
# for R_MIPS_GOT_PAGE relocations.

# RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux -o %t.o %s
# RUN: ld.lld --section-start .rodata=0x27FFC -shared -o %t.so %t.o
# RUN: llvm-readobj --symbols -A %t.so | FileCheck %s

# CHECK:       Name: bar
# CHECK-NEXT:  Value: 0x28000
#                     ^ page-address = (0x28000 + 0x8000) & ~0xffff = 0x30000

# CHECK:       Name: foo
# CHECK-NEXT:  Value: 0x27FFC
#                     ^ page-address = (0x27ffc + 0x8000) & ~0xffff = 0x20000

# CHECK:      Local entries [
# CHECK-NEXT:   Entry {
# CHECK-NEXT:     Address:
# CHECK-NEXT:     Access: -32736
# CHECK-NEXT:     Initial: 0x20000
# CHECK-NEXT:   }
# CHECK-NEXT:   Entry {
# CHECK-NEXT:     Address:
# CHECK-NEXT:     Access: -32728
# CHECK-NEXT:     Initial: 0x30000
# CHECK-NEXT:   }
# CHECK-NEXT: ]

  .text
  ld      $v0,%got_page(foo)($gp)
  ld      $v0,%got_page(bar)($gp)

  .rodata
foo:
  .word 0
bar:
  .word 0