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llvm-project/lld/test/ELF/arm-thumb-thunk-empty-pass.s

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[ELF] Add support for multiple passes to createThunks() This change allows Thunks to be added on multiple passes. To do this we must merge only the thunks added in each pass, and deal with thunks that have drifted out of range of their callers. A thunk may end out of range of its caller if enough thunks are added in between the caller and the thunk. To handle this we create another thunk. Differential Revision: https://reviews.llvm.org/D34692 llvm-svn: 316754
2017-10-27 17:07:10 +08:00
// REQUIRES: arm
[ELF][ARM] Allow PT_LOAD to have overlapping p_offset ranges on EM_ARM Port the D64906 technique to ARM. It deletes 3 alignments at PT_LOAD boundaries for the default case: the size of an arm binary decreases by at most 12kb. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D66749 llvm-svn: 370049
2019-08-27 19:52:36 +08:00
// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t.o
// RUN: ld.lld %t.o -o %t
// RUN: llvm-objdump -d %t -triple=thumbv7a | FileCheck %s
[ELF] Add support for multiple passes to createThunks() This change allows Thunks to be added on multiple passes. To do this we must merge only the thunks added in each pass, and deal with thunks that have drifted out of range of their callers. A thunk may end out of range of its caller if enough thunks are added in between the caller and the thunk. To handle this we create another thunk. Differential Revision: https://reviews.llvm.org/D34692 llvm-svn: 316754
2017-10-27 17:07:10 +08:00
.syntax unified
.global _start, foo
.type _start, %function
.section .text.start,"ax",%progbits
_start:
bl _start
.section .text.dummy1,"ax",%progbits
.space 0xfffffe
.section .text.foo,"ax",%progbits
.type foo, %function
foo:
bl _start
[ELF][ARM] Add --no-show-raw-insn and -soname to some ARM tests Delete some insignificant addresses to make it simpler for layout changes. llvm-svn: 370048
2019-08-27 19:50:27 +08:00
// CHECK: Disassembly of section .text:
// CHECK-EMPTY:
// CHECK-NEXT: _start:
[ELF][ARM] Allow PT_LOAD to have overlapping p_offset ranges on EM_ARM Port the D64906 technique to ARM. It deletes 3 alignments at PT_LOAD boundaries for the default case: the size of an arm binary decreases by at most 12kb. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D66749 llvm-svn: 370049
2019-08-27 19:52:36 +08:00
// CHECK-NEXT: 110b4: ff f7 fe ff bl #-4
[ELF][ARM] Add --no-show-raw-insn and -soname to some ARM tests Delete some insignificant addresses to make it simpler for layout changes. llvm-svn: 370048
2019-08-27 19:50:27 +08:00
// CHECK: __Thumbv7ABSLongThunk__start:
[ELF][ARM] Allow PT_LOAD to have overlapping p_offset ranges on EM_ARM Port the D64906 technique to ARM. It deletes 3 alignments at PT_LOAD boundaries for the default case: the size of an arm binary decreases by at most 12kb. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D66749 llvm-svn: 370049
2019-08-27 19:52:36 +08:00
// CHECK-NEXT: 110b8: ff f7 fc bf b.w #-8 <_start>
[ELF] Add support for multiple passes to createThunks() This change allows Thunks to be added on multiple passes. To do this we must merge only the thunks added in each pass, and deal with thunks that have drifted out of range of their callers. A thunk may end out of range of its caller if enough thunks are added in between the caller and the thunk. To handle this we create another thunk. Differential Revision: https://reviews.llvm.org/D34692 llvm-svn: 316754
2017-10-27 17:07:10 +08:00
[ELF][ARM] Add --no-show-raw-insn and -soname to some ARM tests Delete some insignificant addresses to make it simpler for layout changes. llvm-svn: 370048
2019-08-27 19:50:27 +08:00
// CHECK: __Thumbv7ABSLongThunk__start:
[ELF][ARM] Allow PT_LOAD to have overlapping p_offset ranges on EM_ARM Port the D64906 technique to ARM. It deletes 3 alignments at PT_LOAD boundaries for the default case: the size of an arm binary decreases by at most 12kb. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D66749 llvm-svn: 370049
2019-08-27 19:52:36 +08:00
// CHECK: 10110bc: 41 f2 b5 0c movw r12, #4277
// CHECK-NEXT: 10110c0: c0 f2 01 0c movt r12, #1
// CHECK-NEXT: 10110c4: 60 47 bx r12
[ELF][ARM] Add --no-show-raw-insn and -soname to some ARM tests Delete some insignificant addresses to make it simpler for layout changes. llvm-svn: 370048
2019-08-27 19:50:27 +08:00
// CHECK: foo:
[ELF][ARM] Allow PT_LOAD to have overlapping p_offset ranges on EM_ARM Port the D64906 technique to ARM. It deletes 3 alignments at PT_LOAD boundaries for the default case: the size of an arm binary decreases by at most 12kb. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D66749 llvm-svn: 370049
2019-08-27 19:52:36 +08:00
// CHECK-NEXT: 10110c6: ff f7 f9 ff bl #-14