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-rw-r--r--test/elf/Mips/rel-pc-hilo.test70
1 files changed, 70 insertions, 0 deletions
diff --git a/test/elf/Mips/rel-pc-hilo.test b/test/elf/Mips/rel-pc-hilo.test
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index 0000000000000..89cd2b121797a
--- /dev/null
+++ b/test/elf/Mips/rel-pc-hilo.test
@@ -0,0 +1,70 @@
+# Check handling of R_MIPS_PCHI16 / R_MIPS_PCLO16 relocations.
+
+# RUN: yaml2obj -format=elf %s > %t.o
+# RUN: lld -flavor gnu -target mipsel -e T0 -o %t.exe %t.o
+# RUN: llvm-objdump -s -t %t.exe | FileCheck %s
+
+# CHECK: Contents of section .text:
+# CHECK-NEXT: 400110 01000000 02000000 03000000 00000000
+# ^
+# A = 0x10000 - 1 == 0xffff
+# V = (T1 + 0xffff - T0) >> 16 =>
+# V => 0x1000b >> 16 = 1
+# ^
+# A = 0x20000 - 1 == 0x1ffff
+# V = (T1 + 0x1ffff - T0 - 4) >> 16 =>
+# V => 0x20007 >> 16 = 2
+# ^
+# A = 0xffff == -1
+# V = T1 - 1 - T0 - 8 = 3
+
+# CHECK: SYMBOL TABLE:
+# CHECK: 00400110 g F .text 0000000c T0
+# CHECK: 0040011c g F .text 00000004 T1
+
+FileHeader:
+ Class: ELFCLASS32
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_MIPS
+ Flags: [EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R6]
+
+Sections:
+- Name: .text
+ Type: SHT_PROGBITS
+ Content: "0100000002000000ffff000000000000"
+# ^ T0
+# ^ A := 0x1 == 0x10000
+# ^ A := 0x2 == 0x20000
+# ^ A := 0xffff == -1
+# ^ T1
+ AddressAlign: 16
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+
+- Name: .rel.text
+ Type: SHT_REL
+ Info: .text
+ AddressAlign: 4
+ Relocations:
+ - Offset: 0
+ Symbol: T1
+ Type: R_MIPS_PCHI16
+ - Offset: 4
+ Symbol: T1
+ Type: R_MIPS_PCHI16
+ - Offset: 8
+ Symbol: T1
+ Type: R_MIPS_PCLO16
+
+Symbols:
+ Global:
+ - Name: T0
+ Section: .text
+ Type: STT_FUNC
+ Value: 0
+ Size: 12
+ - Name: T1
+ Section: .text
+ Type: STT_FUNC
+ Value: 12
+ Size: 4