190 lines
5.7 KiB
ArmAsm
190 lines
5.7 KiB
ArmAsm
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// This test checks that the SEH directives emit the correct unwind data.
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// RUN: llvm-mc -triple aarch64-pc-win32 -filetype=obj %s | llvm-readobj -S -r -u - | FileCheck %s
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// Check that the output assembler directives also can be parsed, and
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// that they produce equivalent output:
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// RUN: llvm-mc -triple aarch64-pc-win32 -filetype=asm %s | llvm-mc -triple aarch64-pc-win32 -filetype=obj - | llvm-readobj -S -r -u - | FileCheck %s
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// CHECK: Sections [
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// CHECK: Section {
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// CHECK: Name: .text
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// CHECK: RelocationCount: 0
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// CHECK: Characteristics [
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// CHECK-NEXT: ALIGN_4BYTES
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// CHECK-NEXT: CNT_CODE
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// CHECK-NEXT: MEM_EXECUTE
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// CHECK-NEXT: MEM_READ
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK: Section {
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// CHECK: Name: .xdata
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// CHECK: RawDataSize: 52
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// CHECK: RelocationCount: 1
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// CHECK: Characteristics [
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// CHECK-NEXT: ALIGN_4BYTES
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// CHECK-NEXT: CNT_INITIALIZED_DATA
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// CHECK-NEXT: MEM_READ
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK: Section {
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// CHECK: Name: .pdata
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// CHECK: RelocationCount: 2
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// CHECK: Characteristics [
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// CHECK-NEXT: ALIGN_4BYTES
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// CHECK-NEXT: CNT_INITIALIZED_DATA
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// CHECK-NEXT: MEM_READ
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// CHECK-NEXT: Relocations [
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// CHECK-NEXT: Section (4) .xdata {
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// CHECK-NEXT: 0x28 IMAGE_REL_ARM64_ADDR32NB __C_specific_handler
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// CHECK-NEXT: }
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// CHECK-NEXT: Section (5) .pdata {
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// CHECK-NEXT: 0x0 IMAGE_REL_ARM64_ADDR32NB func
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// CHECK-NEXT: 0x4 IMAGE_REL_ARM64_ADDR32NB .xdata
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// CHECK-NEXT: UnwindInformation [
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// CHECK-NEXT: RuntimeFunction {
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// CHECK-NEXT: Function: func
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// CHECK-NEXT: ExceptionRecord: .xdata
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// CHECK-NEXT: ExceptionData {
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// CHECK-NEXT: FunctionLength: 100
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// CHECK: Prologue [
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// CHECK-NEXT: 0xec ; clear unwound to call
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// CHECK-NEXT: 0xea ; context
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// CHECK-NEXT: 0xe9 ; machine frame
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// CHECK-NEXT: 0xe8 ; trap frame
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// CHECK-NEXT: 0xe3 ; nop
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// CHECK-NEXT: 0xe202 ; add fp, sp, #16
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// CHECK-NEXT: 0xdd41 ; str d13, [sp, #8]
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// CHECK-NEXT: 0xde83 ; str d12, [sp, #-32]!
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// CHECK-NEXT: 0xd884 ; stp d10, d11, [sp, #32]
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// CHECK-NEXT: 0xda05 ; stp d8, d9, [sp, #-48]!
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// CHECK-NEXT: 0x83 ; stp x29, x30, [sp, #-32]!
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// CHECK-NEXT: 0x46 ; stp x29, x30, [sp, #48]
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// CHECK-NEXT: 0xd141 ; str x24, [sp, #8]
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// CHECK-NEXT: 0xd483 ; str x23, [sp, #-32]!
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// CHECK-NEXT: 0xe6 ; save next
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// CHECK-NEXT: 0xc882 ; stp x21, x22, [sp, #16]
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// CHECK-NEXT: 0xd6c2 ; stp x25, lr, [sp, #16]
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// CHECK-NEXT: 0x24 ; stp x19, x20, [sp, #-32]!
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// CHECK-NEXT: 0xcc83 ; stp x21, x22, [sp, #-32]!
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// CHECK-NEXT: 0x83 ; stp x29, x30, [sp, #-32]!
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// CHECK-NEXT: 0xe1 ; mov fp, sp
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// CHECK-NEXT: 0x01 ; sub sp, #16
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// CHECK-NEXT: 0xe4 ; end
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// CHECK-NEXT: ]
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// CHECK-NEXT: Epilogue [
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// CHECK-NEXT: 0x01 ; add sp, #16
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// CHECK-NEXT: 0xe4 ; end
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// CHECK-NEXT: ]
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// CHECK-NEXT: ExceptionHandler [
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// CHECK-NEXT: Routine: __C_specific_handler (0x0)
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// CHECK-NEXT: Parameter: 0x0
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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.text
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.globl func
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.def func
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.scl 2
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.type 32
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.endef
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.seh_proc func
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func:
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sub sp, sp, #24
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.seh_stackalloc 24
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mov x29, sp
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.seh_set_fp
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stp x29, x30, [sp, #-32]!
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.seh_save_fplr_x 32
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stp x21, x22, [sp, #-32]!
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.seh_save_regp_x x21, 32
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stp x19, x20, [sp, #-32]!
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.seh_save_r19r20_x 32
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stp x25, x30, [sp, #16]
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.seh_save_lrpair x25, 16
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stp x21, x22, [sp, #16]
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.seh_save_regp x21, 16
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stp x23, x24, [sp, #32]
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.seh_save_next
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str x23, [sp, #-32]!
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.seh_save_reg_x x23, 32
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str x24, [sp, #8]
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.seh_save_reg x24, 8
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stp x29, x30, [sp, #48]
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.seh_save_fplr 48
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stp x29, x30, [sp, #-32]!
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.seh_save_fplr_x 32
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stp d8, d9, [sp, #-48]!
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.seh_save_fregp_x d8, 48
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stp d10, d11, [sp, #32]
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.seh_save_fregp d10, 32
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str d12, [sp, #-32]!
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.seh_save_freg_x d12, 32
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str d13, [sp, #8]
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.seh_save_freg d13, 8
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add x29, sp, #16
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.seh_add_fp 16
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nop
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.seh_nop
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nop
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.seh_trap_frame
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nop
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.seh_pushframe
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nop
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.seh_context
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nop
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.seh_clear_unwound_to_call
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.seh_endprologue
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nop
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.seh_startepilogue
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add sp, sp, #24
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.seh_stackalloc 24
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.seh_endepilogue
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ret
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.seh_handler __C_specific_handler, @except
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.seh_handlerdata
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.long 0
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.text
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.seh_endproc
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// Function with no .seh directives; no pdata/xdata entries are
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// generated.
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.globl smallFunc
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.def smallFunc
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.scl 2
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.type 32
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.endef
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.seh_proc smallFunc
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smallFunc:
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ret
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.seh_endproc
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// Function with no .seh directives, but with .seh_handlerdata.
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// No xdata/pdata entries are generated, but the custom handler data
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// (the .long after .seh_handlerdata) is left orphaned in the xdata
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// section.
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.globl handlerFunc
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.def handlerFunc
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.scl 2
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.type 32
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.endef
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.seh_proc handlerFunc
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handlerFunc:
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ret
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.seh_handler __C_specific_handler, @except
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.seh_handlerdata
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.long 0
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.text
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.seh_endproc
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