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| // 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 -verbose 2>&1 | FileCheck -check-prefix=VERBOSE %s
// RUN: llvm-objdump -d %t.exe -start-address=0x401000 -stop-address=0x401022 | FileCheck -check-prefix=MAIN %s
// RUN: llvm-objdump -d %t.exe -start-address=0x501022 -stop-address=0x501032 | FileCheck -check-prefix=FUNC1 %s
// RUN: llvm-objdump -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: 40 f0 05 80 bne.w #10 <.text+0xe>
// MAIN: 401004: 40 f0 08 80 bne.w #16 <.text+0x18>
// MAIN: 401008: 40 f0 01 80 bne.w #2 <.text+0xe>
// MAIN: 40100c: 70 47 bx lr
// func1 thunk
// MAIN: 40100e: 40 f2 08 0c movw r12, #8
// MAIN: 401012: c0 f2 10 0c movt r12, #16
// MAIN: 401016: e7 44 add pc, r12
// func2 thunk
// MAIN: 401018: 40 f2 0e 0c movw r12, #14
// MAIN: 40101c: c0 f2 20 0c movt r12, #32
// MAIN: 401020: e7 44 add pc, r12
// FUNC1: 501022: 40 f0 01 80 bne.w #2 <.text+0x100028>
// FUNC1: 501026: 70 47 bx lr
// func2 thunk
// FUNC1: 501028: 4f f6 fe 7c movw r12, #65534
// FUNC1: 50102c: c0 f2 0f 0c movt r12, #15
// FUNC1: 501030: e7 44 add pc, r12
// FUNC2: 601032: 42 f2 00 00 movw r0, #8192
// FUNC2: 601036: c0 f2 60 00 movt r0, #96
// FUNC2: 60103a: 42 f2 03 01 movw r1, #8195
// FUNC2: 60103e: c0 f2 60 01 movt r1, #96
// FUNC2: 601042: 70 47 bx lr
|