[llvm] [JITLink][AArch32] Fix Unaligned Data Symbol Address Resolution (PR #97030)

[Stefan Gränitz via llvm-commits]

================
@@ -0,0 +1,50 @@
+# RUN: llvm-mc -triple=armv7-linux-gnueabi -arm-add-build-attributes -filetype=obj -o %t_armv7.o %s
+# RUN: llvm-objdump -s --section=.rodata %t_armv7.o | FileCheck --check-prefix=CHECK-DATA %s
+# RUN: llvm-jitlink -noexec -slab-address 0x76ff0000 -slab-allocate 10Kb \
+# RUN:              -slab-page-size 4096 -check %s %t_armv7.o
+
+# RUN: llvm-mc -triple=thumbv7-linux-gnueabi -arm-add-build-attributes -filetype=obj -o %t_thumbv7.o %s
+# RUN: llvm-objdump -s --section=.rodata %t_thumbv7.o | FileCheck --check-prefix=CHECK-DATA %s
+# RUN: llvm-jitlink -noexec -slab-address 0x76ff0000 -slab-allocate 10Kb \
+# RUN:              -slab-page-size 4096 -check %s %t_armv7.o
+
+# The strings of "H1\00", "H2\00" and "H3\00" are encoded as
+#               0x483100, 0x483200 and 0x483300 .rodata section.
+# CHECK-DATA: Contents of section .rodata:
+# CHECK-DATA: 0000 48310048 32004833 00
+
+# FIXME: The expression we want is either *{3}(Lstr.H1) = ...
+#                                  or *{4}(Lstr.H1) & 0x00ffffff = ...
+#        The first is not supported and the latter segfaults.
+#        Also, whitespaces are not recognized and not consumed by the checker.
+
+# jitlink-check: 0x00ffffff&*{4}(Lstr.H1) = 0x003148
+	.globl	Lstr.H1
+	.type	Lstr.H1,%object
+	.section	.rodata,"a",%progbits
+Lstr.H1:
+	.asciz	"H1"
+	.size	Lstr.H1, 3
+
+# Not 0x324800
----------------
weliveindetail wrote:

Is there anything special here compared to the other two cases? Or is this a left-over comment?

https://github.com/llvm/llvm-project/pull/97030