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21e741e772
Summary: This is the correct way to handle JAL instructions when PIC is enabled. Patch by Toma Tabacu Reviewers: seanbruno, tomatabacu Subscribers: brooks, seanbruno, emaste, llvm-commits Differential Revision: http://reviews.llvm.org/D6231 llvm-svn: 245305
184 lines
9.6 KiB
ArmAsm
184 lines
9.6 KiB
ArmAsm
# RUN: llvm-mc %s -arch=mips -mcpu=mips32 -show-encoding |\
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# RUN: FileCheck %s -check-prefix=ALL -check-prefix=NORMAL -check-prefix=O32
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# RUN: llvm-mc %s -arch=mips -mcpu=mips64 -target-abi n32 -show-encoding |\
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# RUN: FileCheck %s -check-prefix=ALL -check-prefix=NORMAL -check-prefix=N32
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# RUN: llvm-mc %s -arch=mips64 -mcpu=mips64 -target-abi n64 -show-encoding |\
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# RUN: FileCheck %s -check-prefix=ALL -check-prefix=NORMAL -check-prefix=N64
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# RUN: llvm-mc %s -arch=mips -mcpu=mips32 -mattr=micromips -show-encoding |\
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# RUN: FileCheck %s -check-prefix=ALL -check-prefix=MICROMIPS -check-prefix=O32-MICROMIPS
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# RUN: llvm-mc %s -arch=mips -mcpu=mips64 -target-abi n32 -mattr=micromips -show-encoding |\
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# RUN: FileCheck %s -check-prefix=ALL -check-prefix=MICROMIPS -check-prefix=N32-MICROMIPS
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# RUN: llvm-mc %s -arch=mips64 -mcpu=mips64 -target-abi n64 -mattr=micromips -show-encoding |\
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# RUN: FileCheck %s -check-prefix=ALL -check-prefix=MICROMIPS -check-prefix=N64-MICROMIPS
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.weak weak_label
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.text
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.option pic2
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.ent local_label
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local_label:
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.frame $sp, 0, $ra
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.set noreorder
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jal local_label
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nop
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jal weak_label
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nop
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jal global_label
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nop
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jal .text
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nop
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# local labels ($tmp symbols)
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jal 1f
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nop
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.end local_label
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1:
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nop
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add $8, $8, $8
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nop
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# Expanding "jal local_label":
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# O32: lw $25, %got(local_label)($gp) # encoding: [0x8f,0x99,A,A]
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# O32: # fixup A - offset: 0, value: local_label@GOT, kind: fixup_Mips_GOT_Local
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# O32: addiu $25, $25, %lo(local_label) # encoding: [0x27,0x39,A,A]
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# O32: # fixup A - offset: 0, value: local_label@ABS_LO, kind: fixup_Mips_LO16
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# N32: lw $25, %got_disp(local_label)($gp) # encoding: [0x8f,0x99,A,A]
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# N32: # fixup A - offset: 0, value: local_label@GOT_DISP, kind: fixup_Mips_GOT_DISP
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# N64: ld $25, %got_disp(local_label)($gp) # encoding: [0xdf,0x99,A,A]
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# N64: # fixup A - offset: 0, value: local_label@GOT_DISP, kind: fixup_Mips_GOT_DISP
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# O32-MICROMIPS: lw $25, %got(local_label)($gp) # encoding: [0xff,0x3c,A,A]
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# O32-MICROMIPS: # fixup A - offset: 0, value: local_label@GOT, kind: fixup_MICROMIPS_GOT16
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# O32-MICROMIPS: addiu $25, $25, %lo(local_label) # encoding: [0x33,0x39,A,A]
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# O32-MICROMIPS: # fixup A - offset: 0, value: local_label@ABS_LO, kind: fixup_MICROMIPS_LO16
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# N32-MICROMIPS: lw $25, %got_disp(local_label)($gp) # encoding: [0xff,0x3c,A,A]
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# N32-MICROMIPS: # fixup A - offset: 0, value: local_label@GOT_DISP, kind: fixup_MICROMIPS_GOT_DISP
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# N64-MICROMIPS: ld $25, %got_disp(local_label)($gp) # encoding: [0xdf,0x99,A,A]
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# N64-MICROMIPS: # fixup A - offset: 0, value: local_label@GOT_DISP, kind: fixup_MICROMIPS_GOT_DISP
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# NORMAL: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
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# MICROMIPS: jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
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# ALL: nop # encoding: [0x00,0x00,0x00,0x00]
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# Expanding "jal weak_label":
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# O32: lw $25, %call16(weak_label)($gp) # encoding: [0x8f,0x99,A,A]
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# O32: # fixup A - offset: 0, value: weak_label@GOT_CALL, kind: fixup_Mips_CALL16
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# N32: lw $25, %call16(weak_label)($gp) # encoding: [0x8f,0x99,A,A]
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# N32: # fixup A - offset: 0, value: weak_label@GOT_CALL, kind: fixup_Mips_CALL16
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# N64: ld $25, %call16(weak_label)($gp) # encoding: [0xdf,0x99,A,A]
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# N64: # fixup A - offset: 0, value: weak_label@GOT_CALL, kind: fixup_Mips_CALL16
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# O32-MICROMIPS: lw $25, %call16(weak_label)($gp) # encoding: [0xff,0x3c,A,A]
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# O32-MICROMIPS: # fixup A - offset: 0, value: weak_label@GOT_CALL, kind: fixup_MICROMIPS_CALL16
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# N32-MICROMIPS: lw $25, %call16(weak_label)($gp) # encoding: [0xff,0x3c,A,A]
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# N32-MICROMIPS: # fixup A - offset: 0, value: weak_label@GOT_CALL, kind: fixup_MICROMIPS_CALL16
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# N64-MICROMIPS: ld $25, %call16(weak_label)($gp) # encoding: [0xdf,0x99,A,A]
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# N64-MICROMIPS: # fixup A - offset: 0, value: weak_label@GOT_CALL, kind: fixup_MICROMIPS_CALL16
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# NORMAL: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
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# MICROMIPS: jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
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# ALL: nop # encoding: [0x00,0x00,0x00,0x00]
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# Expanding "jal global_label":
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# O32: lw $25, %call16(global_label)($gp) # encoding: [0x8f,0x99,A,A]
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# O32: # fixup A - offset: 0, value: global_label@GOT_CALL, kind: fixup_Mips_CALL16
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# N32: lw $25, %call16(global_label)($gp) # encoding: [0x8f,0x99,A,A]
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# N32: # fixup A - offset: 0, value: global_label@GOT_CALL, kind: fixup_Mips_CALL16
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# N64: ld $25, %call16(global_label)($gp) # encoding: [0xdf,0x99,A,A]
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# N64: # fixup A - offset: 0, value: global_label@GOT_CALL, kind: fixup_Mips_CALL16
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# O32-MICROMIPS: lw $25, %call16(global_label)($gp) # encoding: [0xff,0x3c,A,A]
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# O32-MICROMIPS: # fixup A - offset: 0, value: global_label@GOT_CALL, kind: fixup_MICROMIPS_CALL16
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# N32-MICROMIPS: lw $25, %call16(global_label)($gp) # encoding: [0xff,0x3c,A,A]
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# N32-MICROMIPS: # fixup A - offset: 0, value: global_label@GOT_CALL, kind: fixup_MICROMIPS_CALL16
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# N64-MICROMIPS: ld $25, %call16(global_label)($gp) # encoding: [0xdf,0x99,A,A]
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# N64-MICROMIPS: # fixup A - offset: 0, value: global_label@GOT_CALL, kind: fixup_MICROMIPS_CALL16
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# NORMAL: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
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# MICROMIPS: jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
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# ALL: nop # encoding: [0x00,0x00,0x00,0x00]
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# FIXME: The .text section MCSymbol isn't created when printing assembly. However,
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# it is created when generating an ELF object file.
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# Expanding "jal .text":
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# O32-FIXME: lw $25, %got(.text)($gp) # encoding: [0x8f,0x99,A,A]
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# O32-FIXME: # fixup A - offset: 0, value: .text@GOT, kind: fixup_Mips_GOT_Local
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# O32-FIXME: addiu $25, $25, %lo(.text) # encoding: [0x27,0x39,A,A]
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# O32-FIXME: # fixup A - offset: 0, value: .text@ABS_LO, kind: fixup_Mips_LO16
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# N32-FIXME: lw $25, %got_disp(.text)($gp) # encoding: [0x8f,0x99,A,A]
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# N32-FIXME: # fixup A - offset: 0, value: .text@GOT_DISP, kind: fixup_Mips_GOT_DISP
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# N64-FIXME: ld $25, %got_disp(.text)($gp) # encoding: [0xdf,0x99,A,A]
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# N64-FIXME: # fixup A - offset: 0, value: .text@GOT_DISP, kind: fixup_Mips_GOT_DISP
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# O32-MICROMIPS-FIXME: lw $25, %got(.text)($gp) # encoding: [0xff,0x3c,A,A]
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# O32-MICROMIPS-FIXME: # fixup A - offset: 0, value: .text@GOT, kind: fixup_MICROMIPS_GOT16
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# O32-MICROMIPS-FIXME: addiu $25, $25, %lo(.text) # encoding: [0x33,0x39,A,A]
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# O32-MICROMIPS-FIXME: # fixup A - offset: 0, value: .text@ABS_LO, kind: fixup_MICROMIPS_LO16
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# N32-MICROMIPS-FIXME: lw $25, %got_disp(.text)($gp) # encoding: [0xff,0x3c,A,A]
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# N32-MICROMIPS-FIXME: # fixup A - offset: 0, value: .text@GOT_DISP, kind: fixup_MICROMIPS_GOT_DISP
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# N64-MICROMIPS-FIXME: ld $25, %got_disp(.text)($gp) # encoding: [0xdf,0x99,A,A]
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# N64-MICROMIPS-FIXME: # fixup A - offset: 0, value: .text@GOT_DISP, kind: fixup_MICROMIPS_GOT_DISP
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# NORMAL: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
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# MICROMIPS: jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
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# ALL: nop # encoding: [0x00,0x00,0x00,0x00]
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# Expanding "jal 1f":
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# O32: lw $25, %got($tmp0)($gp) # encoding: [0x8f,0x99,A,A]
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# O32: # fixup A - offset: 0, value: ($tmp0)@GOT, kind: fixup_Mips_GOT_Local
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# O32: addiu $25, $25, %lo($tmp0) # encoding: [0x27,0x39,A,A]
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# O32: # fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
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# N32: lw $25, %got_disp($tmp0)($gp) # encoding: [0x8f,0x99,A,A]
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# N32: # fixup A - offset: 0, value: ($tmp0)@GOT_DISP, kind: fixup_Mips_GOT_DISP
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# N64: ld $25, %got_disp($tmp0)($gp) # encoding: [0xdf,0x99,A,A]
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# N64: # fixup A - offset: 0, value: ($tmp0)@GOT_DISP, kind: fixup_Mips_GOT_DISP
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# O32-MICROMIPS: lw $25, %got($tmp0)($gp) # encoding: [0xff,0x3c,A,A]
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# O32-MICROMIPS: # fixup A - offset: 0, value: ($tmp0)@GOT, kind: fixup_MICROMIPS_GOT16
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# O32-MICROMIPS: addiu $25, $25, %lo($tmp0) # encoding: [0x33,0x39,A,A]
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# O32-MICROMIPS: # fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_MICROMIPS_LO16
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# N32-MICROMIPS: lw $25, %got_disp($tmp0)($gp) # encoding: [0xff,0x3c,A,A]
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# N32-MICROMIPS: # fixup A - offset: 0, value: ($tmp0)@GOT_DISP, kind: fixup_MICROMIPS_GOT_DISP
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# N64-MICROMIPS: ld $25, %got_disp($tmp0)($gp) # encoding: [0xdf,0x99,A,A]
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# N64-MICROMIPS: # fixup A - offset: 0, value: ($tmp0)@GOT_DISP, kind: fixup_MICROMIPS_GOT_DISP
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# NORMAL: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
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# MICROMIPS: jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
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# ALL: nop # encoding: [0x00,0x00,0x00,0x00]
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