76 lines
2.9 KiB
ArmAsm
76 lines
2.9 KiB
ArmAsm
// REQUIRES: arm
|
|
// RUN: llvm-mc -filetype=obj -triple=thumbv7-windows %s -o %t.obj
|
|
// RUN: lld-link -entry:main -subsystem:console %t.obj -out:%t.exe -map -verbose 2>&1 | FileCheck -check-prefix=VERBOSE %s
|
|
// RUN: llvm-objdump --no-print-imm-hex -d %t.exe --start-address=0x401000 --stop-address=0x401022 | FileCheck --check-prefix=MAIN %s
|
|
// RUN: llvm-objdump --no-print-imm-hex -d %t.exe --start-address=0x501022 --stop-address=0x501032 | FileCheck --check-prefix=FUNC1 %s
|
|
// RUN: llvm-objdump --no-print-imm-hex -d %t.exe --start-address=0x601032 | FileCheck --check-prefix=FUNC2 %s
|
|
|
|
// VERBOSE: Added 3 thunks with margin {{.*}} in 1 passes
|
|
|
|
.syntax unified
|
|
.globl main
|
|
.globl func1
|
|
.text
|
|
main:
|
|
bne func1
|
|
bne func2
|
|
// This should reuse the same thunk as func1 above
|
|
bne func1_alias
|
|
bx lr
|
|
.section .text$a, "xr"
|
|
.space 0x100000
|
|
.section .text$b, "xr"
|
|
func1:
|
|
func1_alias:
|
|
// This shouldn't reuse the func2 thunk from above, since it is out
|
|
// of range.
|
|
bne func2
|
|
bx lr
|
|
.section .text$c, "xr"
|
|
.space 0x100000
|
|
.section .text$d, "xr"
|
|
func2:
|
|
// Test using string tail merging. This is irrelevant to the thunking itself,
|
|
// but running multiple passes of assignAddresses() calls finalizeAddresses()
|
|
// multiple times; check that MergeChunk handles this correctly.
|
|
movw r0, :lower16:"??_C@string1"
|
|
movt r0, :upper16:"??_C@string1"
|
|
movw r1, :lower16:"??_C@string2"
|
|
movt r1, :upper16:"??_C@string2"
|
|
bx lr
|
|
|
|
.section .rdata,"dr",discard,"??_C@string1"
|
|
.globl "??_C@string1"
|
|
"??_C@string1":
|
|
.asciz "foobar"
|
|
.section .rdata,"dr",discard,"??_C@string2"
|
|
.globl "??_C@string2"
|
|
"??_C@string2":
|
|
.asciz "bar"
|
|
|
|
// MAIN: 401000: f040 8005 bne.w 0x40100e <.text+0xe>
|
|
// MAIN: 401004: f040 8008 bne.w 0x401018 <.text+0x18>
|
|
// MAIN: 401008: f040 8001 bne.w 0x40100e <.text+0xe>
|
|
// MAIN: 40100c: 4770 bx lr
|
|
// func1 thunk
|
|
// MAIN: 40100e: f240 0c08 movw r12, #8
|
|
// MAIN: 401012: f2c0 0c10 movt r12, #16
|
|
// MAIN: 401016: 44e7 add pc, r12
|
|
// func2 thunk
|
|
// MAIN: 401018: f240 0c0e movw r12, #14
|
|
// MAIN: 40101c: f2c0 0c20 movt r12, #32
|
|
// MAIN: 401020: 44e7 add pc, r12
|
|
|
|
// FUNC1: 501022: f040 8001 bne.w 0x501028 <.text+0x100028>
|
|
// FUNC1: 501026: 4770 bx lr
|
|
// func2 thunk
|
|
// FUNC1: 501028: f64f 7cfe movw r12, #65534
|
|
// FUNC1: 50102c: f2c0 0c0f movt r12, #15
|
|
// FUNC1: 501030: 44e7 add pc, r12
|
|
|
|
// FUNC2: 601032: f242 0000 movw r0, #8192
|
|
// FUNC2: 601036: f2c0 0060 movt r0, #96
|
|
// FUNC2: 60103a: f242 0103 movw r1, #8195
|
|
// FUNC2: 60103e: f2c0 0160 movt r1, #96
|
|
// FUNC2: 601042: 4770 bx lr
|