[ELF][test] Enhance relative dynamic relocation tests

Add checking of the value of the relocation with an addend. Also check
all relocation offsets.

Differential Revision: https://reviews.llvm.org/D111071

Author: nga888

lld/test/ELF/relative-dynamic-reloc-pie.s

@@ -6,9 +6,10 @@
 ## Test that we create R_X86_64_RELATIVE relocations with -pie.
 # CHECK:      Relocations [
 # CHECK-NEXT:   Section ({{.*}}) .rela.dyn {
-# CHECK-NEXT:     0x3368 R_X86_64_RELATIVE - 0x3368
-# CHECK-NEXT:     0x3370 R_X86_64_RELATIVE - 0x3370
-# CHECK-NEXT:     0x3378 R_X86_64_RELATIVE - 0x3371
+# CHECK-NEXT:     0x[[FOO_ADDR:.*]] R_X86_64_RELATIVE - 0x[[FOO_ADDR]]
+# CHECK-NEXT:     0x[[#%X,BAR_ADDR:]] R_X86_64_RELATIVE
+# CHECK-SAME:       - 0x[[#BAR_ADDR]]
+# CHECK-NEXT:     0x[[#BAR_ADDR + 8]] R_X86_64_RELATIVE - 0x[[#BAR_ADDR + 1]]
 # CHECK-NEXT:   }
 # CHECK-NEXT: ]
 

lld/test/ELF/relative-dynamic-reloc.s

@@ -9,19 +9,20 @@
 // CHECK:      Relocations [
 // CHECK-NEXT:   Section ({{.*}}) .rela.dyn {
 // CHECK-NEXT:     0x[[FOO_ADDR:.*]] R_X86_64_RELATIVE - 0x[[FOO_ADDR]]
-// CHECK-NEXT:     0x[[BAR_ADDR:.*]] R_X86_64_RELATIVE - 0x[[BAR_ADDR]]
-// CHECK-NEXT:     0x{{[0-9A-F]+}} R_X86_64_RELATIVE - 0x{{[0-9A-F]+}}
-// CHECK-NEXT:     0x{{.*}} R_X86_64_RELATIVE - 0x[[ZED_ADDR:.*]]
-// CHECK-NEXT:     0x{{.*}} R_X86_64_RELATIVE - 0x[[FOO_ADDR]]
-// CHECK-NEXT:     0x{{[0-9A-F]+}} R_X86_64_64 external 0x0
+// CHECK-NEXT:     0x[[#%X,BAR_ADDR:]] R_X86_64_RELATIVE
+// CHECK-SAME:       - 0x[[#BAR_ADDR]]
+// CHECK-NEXT:     0x[[#BAR_ADDR +  8]] R_X86_64_RELATIVE - 0x[[#BAR_ADDR + 1]]
+// CHECK-NEXT:     0x[[#BAR_ADDR + 16]] R_X86_64_RELATIVE - 0x[[ZED_ADDR:.*]]
+// CHECK-NEXT:     0x[[#BAR_ADDR + 24]] R_X86_64_RELATIVE - 0x[[FOO_ADDR]]
+// CHECK-NEXT:     0x[[#BAR_ADDR + 32]] R_X86_64_64 external 0x0
 // CHECK-NEXT:   }
 // CHECK-NEXT: ]
 
 // CHECK:      Symbols [
 // CHECK:        Name: foo
 // CHECK-NEXT:   Value: 0x[[FOO_ADDR]]
 // CHECK:        Name: bar
-// CHECK-NEXT:   Value: 0x[[BAR_ADDR]]
+// CHECK-NEXT:   Value: 0x[[#BAR_ADDR]]
 // CHECK:        Name: zed
 // CHECK-NEXT:   Value: 0x[[ZED_ADDR]]
 // CHECK:      ]