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76 lines
2.8 KiB
76 lines
2.8 KiB
// REQUIRES: arm
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// RUN: llvm-mc -filetype=obj -triple=thumbv7-windows %s -o %t.obj
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// RUN: lld-link -entry:main -subsystem:console %t.obj -out:%t.exe -verbose 2>&1 | FileCheck -check-prefix=VERBOSE %s
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// RUN: llvm-objdump -d %t.exe --start-address=0x401000 --stop-address=0x401022 | FileCheck --check-prefix=MAIN %s
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// RUN: llvm-objdump -d %t.exe --start-address=0x501022 --stop-address=0x501032 | FileCheck --check-prefix=FUNC1 %s
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// RUN: llvm-objdump -d %t.exe --start-address=0x601032 | FileCheck --check-prefix=FUNC2 %s
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// VERBOSE: Added 3 thunks with margin {{.*}} in 1 passes
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.syntax unified
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.globl main
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.globl func1
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.text
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main:
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bne func1
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bne func2
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// This should reuse the same thunk as func1 above
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bne func1_alias
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bx lr
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.section .text$a, "xr"
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.space 0x100000
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.section .text$b, "xr"
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func1:
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func1_alias:
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// This shouldn't reuse the func2 thunk from above, since it is out
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// of range.
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bne func2
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bx lr
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.section .text$c, "xr"
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.space 0x100000
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.section .text$d, "xr"
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func2:
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// Test using string tail merging. This is irrelevant to the thunking itself,
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// but running multiple passes of assignAddresses() calls finalizeAddresses()
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// multiple times; check that MergeChunk handles this correctly.
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movw r0, :lower16:"??_C@string1"
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movt r0, :upper16:"??_C@string1"
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movw r1, :lower16:"??_C@string2"
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movt r1, :upper16:"??_C@string2"
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bx lr
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.section .rdata,"dr",discard,"??_C@string1"
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.globl "??_C@string1"
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"??_C@string1":
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.asciz "foobar"
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.section .rdata,"dr",discard,"??_C@string2"
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.globl "??_C@string2"
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"??_C@string2":
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.asciz "bar"
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// MAIN: 401000: 40 f0 05 80 bne.w #10 <.text+0xe>
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// MAIN: 401004: 40 f0 08 80 bne.w #16 <.text+0x18>
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// MAIN: 401008: 40 f0 01 80 bne.w #2 <.text+0xe>
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// MAIN: 40100c: 70 47 bx lr
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// func1 thunk
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// MAIN: 40100e: 40 f2 08 0c movw r12, #8
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// MAIN: 401012: c0 f2 10 0c movt r12, #16
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// MAIN: 401016: e7 44 add pc, r12
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// func2 thunk
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// MAIN: 401018: 40 f2 0e 0c movw r12, #14
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// MAIN: 40101c: c0 f2 20 0c movt r12, #32
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// MAIN: 401020: e7 44 add pc, r12
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// FUNC1: 501022: 40 f0 01 80 bne.w #2 <.text+0x100028>
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// FUNC1: 501026: 70 47 bx lr
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// func2 thunk
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// FUNC1: 501028: 4f f6 fe 7c movw r12, #65534
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// FUNC1: 50102c: c0 f2 0f 0c movt r12, #15
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// FUNC1: 501030: e7 44 add pc, r12
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// FUNC2: 601032: 42 f2 00 00 movw r0, #8192
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// FUNC2: 601036: c0 f2 60 00 movt r0, #96
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// FUNC2: 60103a: 42 f2 03 01 movw r1, #8195
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// FUNC2: 60103e: c0 f2 60 01 movt r1, #96
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// FUNC2: 601042: 70 47 bx lr
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