6e8a1a45a7
This makes it easier to handle differences (e.g. of exception table entry size) between versions of Linux kernel
51 lines
1.4 KiB
ArmAsm
51 lines
1.4 KiB
ArmAsm
# REQUIRES: system-linux
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
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# RUN: %clang %cflags -nostdlib %t.o -o %t.exe \
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# RUN: -Wl,--image-base=0xffffffff80000000,--no-dynamic-linker,--no-eh-frame-hdr,--no-pie
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# RUN: llvm-bolt %t.exe --print-normalized -o %t.out 2>&1 | FileCheck %s
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## Check that BOLT correctly parses the Linux kernel .pci_fixup section and
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## verify that PCI fixup hook in the middle of a function is detected.
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# CHECK: BOLT-INFO: Linux kernel binary detected
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# CHECK: BOLT-WARNING: PCI fixup detected in the middle of function _start
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# CHECK: BOLT-INFO: parsed 2 PCI fixup entries
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.text
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.globl _start
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.type _start, %function
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_start:
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nop
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.L0:
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ret
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.size _start, .-_start
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## PCI fixup table.
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.section .pci_fixup,"a",@progbits
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.short 0x8086 # vendor
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.short 0xbeef # device
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.long 0xffffffff # class
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.long 0x0 # class shift
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.long _start - . # fixup
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.short 0x8086 # vendor
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.short 0xbad # device
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.long 0xffffffff # class
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.long 0x0 # class shift
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.long .L0 - . # fixup
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## Linux kernel version
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.rodata
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.align 16
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.globl linux_banner
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.type linux_banner, @object
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linux_banner:
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.string "Linux version 6.6.61\n"
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.size linux_banner, . - linux_banner
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## Fake Linux Kernel sections.
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.section __ksymtab,"a",@progbits
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.section __ksymtab_gpl,"a",@progbits
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