82 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
| @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \
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| @ RUN:   | llvm-readobj -s -sd -sr -r -t | FileCheck %s
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| 
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| @ Check whether the section is switched back or not.
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| 
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| @ The assembler should emit the machine code of "func2" in .text section.
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| @ It is incorrect if the machine code is emitted in .ARM.exidx or .ARM.extab.
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| @ Besides, there should be two entries in .ARM.exidx section.
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| 
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| 	.syntax	unified
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| 
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| 	.text
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| 	.globl	func1
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| 	.align	2
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| 	.type	func1,%function
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| 	.fnstart
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| func1:
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| 	bx	lr
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| 	.fnend
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| 
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| 	.globl	func2
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| 	.align	2
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| 	.type	func2,%function
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| 	.fnstart
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| func2:
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| 	bx	lr
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| 	.fnend
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| 
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| 
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| @-------------------------------------------------------------------------------
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| @ Check the .text section.  There should be two "bx lr" instructions.
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| @-------------------------------------------------------------------------------
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| @ CHECK: Sections [
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| @ CHECK:   Section {
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| @ CHECK:     Name: .text
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| @ CHECK:     SectionData (
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| @ CHECK:       0000: 1EFF2FE1 1EFF2FE1                    |../.../.|
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| @ CHECK:     )
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| @ CHECK:   }
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| 
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| 
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| @-------------------------------------------------------------------------------
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| @ Check the .ARM.exidx section.
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| @ There should be two entries (two words per entry.)
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| @-------------------------------------------------------------------------------
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| @ CHECK:   Section {
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| @ CHECK:     Name: .ARM.exidx
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| @ CHECK:     SectionData (
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| @-------------------------------------------------------------------------------
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| @ The first word should be the offset to .text.  The second word should be
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| @ 0xB0B0B080, which means compact model 0 is used (0x80) and the rest of the
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| @ word is filled with FINISH opcode (0xB0).
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| @-------------------------------------------------------------------------------
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| @ CHECK:       0000: 00000000 B0B0B080 04000000 B0B0B080 |................|
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| @ CHECK:     )
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| @ CHECK:   }
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| @ CHECK: ]
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| 
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| @-------------------------------------------------------------------------------
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| @ The first word of each entry should be relocated to .text section.
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| @-------------------------------------------------------------------------------
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| @ CHECK:     Relocations [
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| @ CHECK:       0x0 R_ARM_PREL31 .text 0x0
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| @ CHECK:       0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
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| @ CHECK:       0x8 R_ARM_PREL31 .text 0x0
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| @ CHECK:     ]
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| 
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| 
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| @-------------------------------------------------------------------------------
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| @ Check the symbols "func1" and "func2".  They should belong to .text section.
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| @-------------------------------------------------------------------------------
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| @ CHECK: Symbols [
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| @ CHECK:   Symbol {
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| @ CHECK:     Name: func1
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| @ CHECK:     Section: .text
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| @ CHECK:   }
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| @ CHECK:   Symbol {
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| @ CHECK:     Name: func2
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| @ CHECK:     Section: .text
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| @ CHECK:   }
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| @ CHECK: ]
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