blob: a574ba84c4df11efac6a28e0decf68041dce1d4f (
plain)
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
40
41
|
# REQUIRES: system-linux
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
# RUN: %clang %cflags -nostdlib %t.o -o %t.exe \
# RUN: -Wl,--image-base=0xffffffff80000000,--no-dynamic-linker,--no-eh-frame-hdr,--no-pie
# RUN: llvm-bolt %t.exe --print-normalized -o %t.out |& FileCheck %s
## Check that BOLT correctly parses the Linux kernel .pci_fixup section and
## verify that PCI fixup hook in the middle of a function is detected.
# CHECK: BOLT-INFO: Linux kernel binary detected
# CHECK: BOLT-WARNING: PCI fixup detected in the middle of function _start
# CHECK: BOLT-INFO: parsed 2 PCI fixup entries
.text
.globl _start
.type _start, %function
_start:
nop
.L0:
ret
.size _start, .-_start
## PCI fixup table.
.section .pci_fixup,"a",@progbits
.short 0x8086 # vendor
.short 0xbeef # device
.long 0xffffffff # class
.long 0x0 # class shift
.long _start - . # fixup
.short 0x8086 # vendor
.short 0xbad # device
.long 0xffffffff # class
.long 0x0 # class shift
.long .L0 - . # fixup
## Fake Linux Kernel sections.
.section __ksymtab,"a",@progbits
.section __ksymtab_gpl,"a",@progbits
|