125 lines
4.5 KiB
ArmAsm
125 lines
4.5 KiB
ArmAsm
// REQUIRES: arm
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// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
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// RUN: ld.lld %t --shared -o %t.so
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// The output file is large, most of it zeroes. We dissassemble only the
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// parts we need to speed up the test and avoid a large output file
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// RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x1000004 --stop-address=0x100001c | FileCheck --check-prefix=CHECK1 %s
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// RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x1100008 --stop-address=0x1100022 | FileCheck --check-prefix=CHECK2 %s
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// RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x1100020 --stop-address=0x1100064 --triple=armv7a-linux-gnueabihf | FileCheck --check-prefix=CHECK3 %s
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/// A branch to a Thunk that we create on pass N, can drift out of range if
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/// other Thunks are added in between. In this case we must create a new Thunk
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/// for the branch that is in range. We also need to make sure that if the
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/// destination of the Thunk is in the PLT the new Thunk also targets the PLT
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.syntax unified
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.thumb
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.macro FUNCTION suff
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.section .text.\suff\(), "ax", %progbits
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.thumb
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.balign 0x80000
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.globl tfunc\suff\()
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.type tfunc\suff\(), %function
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tfunc\suff\():
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bx lr
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.endm
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.globl imported
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.type imported, %function
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.globl imported2
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.type imported2, %function
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.globl imported3
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.type imported3, %function
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.globl imported4
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.type imported4, %function
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FUNCTION 00
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FUNCTION 01
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FUNCTION 02
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FUNCTION 03
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FUNCTION 04
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FUNCTION 05
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FUNCTION 06
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FUNCTION 07
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FUNCTION 08
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FUNCTION 09
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FUNCTION 10
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FUNCTION 11
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FUNCTION 12
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FUNCTION 13
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FUNCTION 14
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FUNCTION 15
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FUNCTION 16
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FUNCTION 17
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FUNCTION 18
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FUNCTION 19
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FUNCTION 20
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FUNCTION 21
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FUNCTION 22
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FUNCTION 23
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FUNCTION 24
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FUNCTION 25
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FUNCTION 26
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FUNCTION 27
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FUNCTION 28
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FUNCTION 29
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FUNCTION 30
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FUNCTION 31
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/// Precreated Thunk Pool goes here
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// CHECK1: <__ThumbV7PILongThunk_imported>:
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// CHECK1-NEXT: 1000004: f240 0c30 movw r12, #48
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// CHECK1-NEXT: 1000008: f2c0 0c10 movt r12, #16
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// CHECK1-NEXT: 100000c: 44fc add r12, pc
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// CHECK1-NEXT: 100000e: 4760 bx r12
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// CHECK1: <__ThumbV7PILongThunk_imported2>:
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// CHECK1-NEXT: 1000010: f240 0c34 movw r12, #52
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// CHECK1-NEXT: 1000014: f2c0 0c10 movt r12, #16
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// CHECK1-NEXT: 1000018: 44fc add r12, pc
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// CHECK1-NEXT: 100001a: 4760 bx r12
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.section .text.32, "ax", %progbits
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.space 0x80000
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.section .text.33, "ax", %progbits
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.space 0x80000 - 0x14
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.section .text.34, "ax", %progbits
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/// Need a Thunk to the PLT entry, can use precreated ThunkSection
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.globl callers
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.type callers, %function
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callers:
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b.w imported
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beq.w imported
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b.w imported2
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// CHECK2: <__ThumbV7PILongThunk_imported>:
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// CHECK2-NEXT: 1100008: f240 0c2c movw r12, #44
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// CHECK2-NEXT: 110000c: f2c0 0c00 movt r12, #0
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// CHECK2-NEXT: 1100010: 44fc add r12, pc
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// CHECK2-NEXT: 1100012: 4760 bx r12
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// CHECK2: <callers>:
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// CHECK2-NEXT: 1100014: f6ff bff6 b.w 0x1000004 <__ThumbV7PILongThunk_imported>
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// CHECK2-NEXT: 1100018: f43f aff6 beq.w 0x1100008 <__ThumbV7PILongThunk_imported>
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// CHECK2-NEXT: 110001c: f6ff bff8 b.w 0x1000010 <__ThumbV7PILongThunk_imported2>
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// CHECK3: Disassembly of section .plt:
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// CHECK3-EMPTY:
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// CHECK3-NEXT: <$a>:
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// CHECK3-NEXT: 1100020: e52de004 str lr, [sp, #-4]!
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// CHECK3-NEXT: 1100024: e28fe600 add lr, pc, #0, #12
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// CHECK3-NEXT: 1100028: e28eea20 add lr, lr, #32
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// CHECK3-NEXT: 110002c: e5bef094 ldr pc, [lr, #148]!
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// CHECK3: <$d>:
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// CHECK3-NEXT: 1100030: d4 d4 d4 d4 .word 0xd4d4d4d4
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// CHECK3-NEXT: 1100034: d4 d4 d4 d4 .word 0xd4d4d4d4
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// CHECK3-NEXT: 1100038: d4 d4 d4 d4 .word 0xd4d4d4d4
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// CHECK3-NEXT: 110003c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// CHECK3: <$a>:
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// CHECK3-NEXT: 1100040: e28fc600 add r12, pc, #0, #12
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// CHECK3-NEXT: 1100044: e28cca20 add r12, r12, #32
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// CHECK3-NEXT: 1100048: e5bcf07c ldr pc, [r12, #124]!
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// CHECK3: <$d>:
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// CHECK3-NEXT: 110004c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// CHECK3: <$a>:
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// CHECK3-NEXT: 1100050: e28fc600 add r12, pc, #0, #12
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// CHECK3-NEXT: 1100054: e28cca20 add r12, r12, #32
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// CHECK3-NEXT: 1100058: e5bcf070 ldr pc, [r12, #112]!
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// CHECK3: <$d>:
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// CHECK3-NEXT: 110005c: d4 d4 d4 d4 .word 0xd4d4d4d4
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