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[PowerPC] Parse platform-specifc variant kinds in AsmParser

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This patch adds support for PowerPC platform-specific variant
kinds in MCSymbolRefExpr::getVariantKindForName, and also
adds a test case to verify they are translated to the appropriate
fixup type.

llvm-svn: 181053
This commit is contained in:
Ulrich Weigand 2013-05-03 19:52:35 +00:00
parent c7ad3c20c4
commit 86c774797b
2 changed files with 129 additions and 0 deletions
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34
lib/MC/MCExpr.cpp
View File

@ -290,6 +290,40 @@ MCSymbolRefExpr::getVariantKindForName(StringRef Name) {
.Case("imgrel", VK_COFF_IMGREL32)
.Case("SECREL32", VK_SECREL)
.Case("secrel32", VK_SECREL)
.Case("HA", VK_PPC_GAS_HA16)
.Case("ha", VK_PPC_GAS_HA16)
.Case("L", VK_PPC_GAS_LO16)
.Case("l", VK_PPC_GAS_LO16)
.Case("TOCBASE", VK_PPC_TOC)
.Case("tocbase", VK_PPC_TOC)
.Case("TOC", VK_PPC_TOC_ENTRY)
.Case("toc", VK_PPC_TOC_ENTRY)
.Case("TOC@HA", VK_PPC_TOC16_HA)
.Case("toc@ha", VK_PPC_TOC16_HA)
.Case("TOC@L", VK_PPC_TOC16_LO)
.Case("toc@l", VK_PPC_TOC16_LO)
.Case("TLS", VK_PPC_TLS)
.Case("tls", VK_PPC_TLS)
.Case("TPREL@HA", VK_PPC_TPREL16_HA)
.Case("tprel@ha", VK_PPC_TPREL16_HA)
.Case("TPREL@L", VK_PPC_TPREL16_LO)
.Case("tprel@l", VK_PPC_TPREL16_LO)
.Case("DTPREL@HA", VK_PPC_DTPREL16_HA)
.Case("dtprel@ha", VK_PPC_DTPREL16_HA)
.Case("DTPREL@L", VK_PPC_DTPREL16_LO)
.Case("dtprel@l", VK_PPC_DTPREL16_LO)
.Case("GOT@TPREL@HA", VK_PPC_GOT_TPREL16_HA)
.Case("got@tprel@ha", VK_PPC_GOT_TPREL16_HA)
.Case("GOT@TPREL@L", VK_PPC_GOT_TPREL16_LO)
.Case("got@tprel@l", VK_PPC_GOT_TPREL16_LO)
.Case("GOT@TLSGD@HA", VK_PPC_GOT_TLSGD16_HA)
.Case("got@tlsgd@ha", VK_PPC_GOT_TLSGD16_HA)
.Case("GOT@TLSGD@L", VK_PPC_GOT_TLSGD16_LO)
.Case("got@tlsgd@l", VK_PPC_GOT_TLSGD16_LO)
.Case("GOT@TLSLD@HA", VK_PPC_GOT_TLSLD16_HA)
.Case("got@tlsld@ha", VK_PPC_GOT_TLSLD16_HA)
.Case("GOT@TLSLD@L", VK_PPC_GOT_TLSLD16_LO)
.Case("got@tlsld@l", VK_PPC_GOT_TLSLD16_LO)
.Default(VK_Invalid);
}

95
test/MC/PowerPC/ppc64-fixups.s Normal file
View File

@ -0,0 +1,95 @@
# RUN: llvm-mc -triple powerpc64-unknown-unknown --show-encoding %s | FileCheck %s
# FIXME: .TOC.@tocbase
# CHECK: li 3, target@l # encoding: [0x38,0x60,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@l, kind: fixup_ppc_lo16
li 3, target@l
# CHECK: addis 3, 3, target@ha # encoding: [0x3c,0x63,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@ha, kind: fixup_ppc_ha16
addis 3, 3, target@ha
# CHECK: lis 3, target@ha # encoding: [0x3c,0x60,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@ha, kind: fixup_ppc_ha16
lis 3, target@ha
# CHECK: addi 4, 3, target@l # encoding: [0x38,0x83,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@l, kind: fixup_ppc_lo16
addi 4, 3, target@l
# CHECK: lwz 1, target@l(3) # encoding: [0x80,0x23,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@l, kind: fixup_ppc_lo16
lwz 1, target@l(3)
# CHECK: ld 1, target@l(3) # encoding: [0xe8,0x23,A,0bAAAAAA00]
# CHECK-NEXT: # fixup A - offset: 0, value: target@l, kind: fixup_ppc_lo16_ds
ld 1, target@l(3)
# CHECK: ld 1, target@toc(2) # encoding: [0xe8,0x22,A,0bAAAAAA00]
# CHECK-NEXT: # fixup A - offset: 0, value: target@toc, kind: fixup_ppc_lo16_ds
ld 1, target@toc(2)
# CHECK: addis 3, 2, target@toc@ha # encoding: [0x3c,0x62,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@toc@ha, kind: fixup_ppc_ha16
addis 3, 2, target@toc@ha
# CHECK: addi 4, 3, target@toc@l # encoding: [0x38,0x83,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@toc@l, kind: fixup_ppc_lo16
addi 4, 3, target@toc@l
# CHECK: lwz 1, target@toc@l(3) # encoding: [0x80,0x23,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@toc@l, kind: fixup_ppc_lo16
lwz 1, target@toc@l(3)
# CHECK: ld 1, target@toc@l(3) # encoding: [0xe8,0x23,A,0bAAAAAA00]
# CHECK-NEXT: # fixup A - offset: 0, value: target@toc@l, kind: fixup_ppc_lo16_ds
ld 1, target@toc@l(3)
# FIXME: @tls
# CHECK: addis 3, 2, target@tprel@ha # encoding: [0x3c,0x62,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@tprel@ha, kind: fixup_ppc_ha16
addis 3, 2, target@tprel@ha
# CHECK: addi 3, 3, target@tprel@l # encoding: [0x38,0x63,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@tprel@l, kind: fixup_ppc_lo16
addi 3, 3, target@tprel@l
# CHECK: addis 3, 2, target@dtprel@ha # encoding: [0x3c,0x62,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@dtprel@ha, kind: fixup_ppc_ha16
addis 3, 2, target@dtprel@ha
# CHECK: addi 3, 3, target@dtprel@l # encoding: [0x38,0x63,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@dtprel@l, kind: fixup_ppc_lo16
addi 3, 3, target@dtprel@l
# CHECK: addis 3, 2, target@got@tprel@ha # encoding: [0x3c,0x62,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@got@tprel@ha, kind: fixup_ppc_ha16
addis 3, 2, target@got@tprel@ha
# CHECK: ld 1, target@got@tprel@l(3) # encoding: [0xe8,0x23,A,0bAAAAAA00]
# CHECK-NEXT: # fixup A - offset: 0, value: target@got@tprel@l, kind: fixup_ppc_lo16_ds
ld 1, target@got@tprel@l(3)
# CHECK: addis 3, 2, target@got@tlsgd@ha # encoding: [0x3c,0x62,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@got@tlsgd@ha, kind: fixup_ppc_ha16
addis 3, 2, target@got@tlsgd@ha
# CHECK: addi 3, 3, target@got@tlsgd@l # encoding: [0x38,0x63,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@got@tlsgd@l, kind: fixup_ppc_lo16
addi 3, 3, target@got@tlsgd@l
# CHECK: addis 3, 2, target@got@tlsld@ha # encoding: [0x3c,0x62,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@got@tlsld@ha, kind: fixup_ppc_ha16
addis 3, 2, target@got@tlsld@ha
# CHECK: addi 3, 3, target@got@tlsld@l # encoding: [0x38,0x63,A,A]
# CHECK-NEXT: # fixup A - offset: 0, value: target@got@tlsld@l, kind: fixup_ppc_lo16
addi 3, 3, target@got@tlsld@l