RuntimeDyldELF: add missing test cases for AArch64

llvm-svn: 291438

llvm/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_BE-relocations.s

@@ -1,6 +1,11 @@
 # RUN: llvm-mc -triple=aarch64_be-none-linux-gnu -filetype=obj -o %T/be-reloc.o %s
 # RUN: llvm-rtdyld -triple=aarch64_be-none-linux-gnu -verify -dummy-extern f=0x0123456789abcdef -check=%s %T/be-reloc.o
 
+        .globl Q
+        .section .dummy, "ax"
+Q:
+        nop
+
         .text
         .globl  g
         .p2align        2
@@ -23,8 +28,11 @@ g:
         .globl  k
         .p2align        3
 k:
-        .xword  f
+        .xword  f        
         .size   k, 8
+r:
+# R_AARCH64_PREL32: use Q instead of f to fit in 32 bits.
+        .word  Q - .
 
 # LE instructions read as BE
 # rtdyld-check: *{4}(g) = 0x6024e0d2
@@ -32,3 +40,4 @@ k:
 # rtdyld-check: *{4}(g + 8) = 0x6035b1f2
 # rtdyld-check: *{4}(g + 12) = 0xe0bd99f2
 # rtdyld-check: *{8}k = f
+# rtdyld-check: *{4}r = (Q - r)[31:0]

llvm/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s

@@ -1,6 +1,11 @@
 # RUN: llvm-mc -triple=arm64-none-linux-gnu -filetype=obj -o %T/reloc.o %s
 # RUN: llvm-rtdyld -triple=arm64-none-linux-gnu -verify -dummy-extern f=0x0123456789abcdef -check=%s %T/reloc.o
-
+        
+        .globl Q
+        .section .dummy, "ax"
+Q:
+        nop
+          
         .text
         .globl  g
         .p2align        2
@@ -14,6 +19,18 @@ g:
         movk    x0, #:abs_g1_nc:f
 # R_AARCH64_MOVW_UABS_G0_NC
         movk    x0, #:abs_g0_nc:f
+l:
+# R_AARCH64_LDST32_ABS_LO12_NC
+        ldr s4, [x5, :lo12:a]
+# R_AARCH64_LDST64_ABS_LO12_NC
+        ldr x4, [x5, :lo12:a]
+p:
+# R_AARCH64_ADR_PREL_PG_HI21
+# Test both low and high immediate values
+        adrp x4, a + 20480 # 16384 + 4096
+# Align next label to 16 bytes, so that LDST immediate
+# fields will be non-zero        
+        .align 4
 a:
 # R_AARCH64_ADD_ABS_LO12_NC
         add x0, x0, :lo12:f
@@ -27,13 +44,27 @@ a:
         .p2align        3
 k:
         .xword  f
-        .size   k, 8
+        .size   k, 16
+r:
+# R_AARCH64_PREL32: use Q instead of f to fit in 32 bits.
+        .word  Q - .
 
 # rtdyld-check: *{4}(g) = 0xd2e02460
 # rtdyld-check: *{4}(g + 4) = 0xf2c8ace0
 # rtdyld-check: *{4}(g + 8) = 0xf2b13560
 # rtdyld-check: *{4}(g + 12) = 0xf299bde0
+
+## Check LDST32_ABS_LO12_NC and LDST64_ABS_LO12_NC
+# rtdyld-check: (*{4}l)[21:10] = a[11:2]
+# rtdyld-check: (*{4}(l+4))[21:10] = a[11:3]
+
+## Check ADR_PREL_PG_HI21. Low order bits of immediate value
+## go to bits 30:29. High order bits go to bits 23:5
+# rtdyld-check: (*{4}p)[30:29] = (a - p + 20480)[13:12]
+# rtdyld-check: (*{4}p)[23:5] = (a - p + 20480)[32:14]
+
 # rtdyld-check: *{8}k = f
+# rtdyld-check: *{4}r = (Q - r)[31:0]
 
 ## f & 0xFFF = 0xdef (bits 11:0 of f)
 ## 0xdef << 10 = 0x37bc00