84bbaa097c
Global data is emitted into parts, which are modelled as a MCSection. A label (symbol of type LD) is not allowed in a part, which requires special handling. The approach is to not emit the label at all, and using the part symbol in relocations.
54 lines
2.0 KiB
LLVM
54 lines
2.0 KiB
LLVM
; RUN: llc <%s --mtriple s390x-ibm-zos -emit-gnuas-syntax-on-zos=false | FileCheck %s
|
|
; RUN: llc <%s --mtriple s390x-ibm-zos --filetype=obj | \
|
|
; RUN: od -Ax -tx1 -v | FileCheck --check-prefix=CHECKREL --ignore-case %s
|
|
|
|
@a = hidden global i64 0, align 8
|
|
@b = external global i64, align 8
|
|
|
|
define i64 @calc() {
|
|
entry:
|
|
%0 = load i64, ptr @a, align 8
|
|
%1 = load i64, ptr @b, align 8
|
|
%add = add i64 %0, %1
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the global CSECT definition
|
|
; CHECK: stdin#C CSECT
|
|
; CHECK-NEXT: C_CODE64 CATTR ALIGN(3),FILL(0),READONLY,RMODE(64)
|
|
|
|
; Check the attributes on the function
|
|
; CHECK: ENTRY calc
|
|
; CHECK-NEXT: calc XATTR LINKAGE(XPLINK),REFERENCE(CODE),SCOPE(EXPORT)
|
|
; CHECK-NEXT: calc DS 0H
|
|
|
|
; Check the definition of the variable
|
|
; CHECK: a CSECT
|
|
; CHECK-NEXT: C_WSA64 CATTR ALIGN(3),FILL(0),DEFLOAD,NOTEXECUTABLE,RMODE(64),PART(a)
|
|
; CHECK-NEXT: a XATTR LINKAGE(XPLINK),REFERENCE(DATA),SCOPE(LIBRARY)
|
|
|
|
; Check the declaration of the external variable
|
|
; CHECK: EXTRN b
|
|
; CHECK-NEXT: b XATTR LINKAGE(XPLINK),SCOPE(EXPORT)
|
|
|
|
; Check the relocation data directory.
|
|
; 03 is prefix byte
|
|
; 2. is header type (RT_RLD)
|
|
; .1 is flag (record is continued)
|
|
; 00 is version
|
|
; CHECKREL: 000690 03 21 00 00 00 60 00 00 02 00 04 00 00 00 00 00
|
|
; CHECKREL-NEXT: 0006a0 00 0b 00 00 00 02 00 00 00 4e 60 00 00 00 04 00
|
|
; CHECKREL-NEXT: 0006b0 00 00 00 00 00 0c 00 00 00 00 08 00 00 00 00 00
|
|
; CHECKREL-NEXT: 0006c0 00 0b 00 00 00 04 00 00 00 00 60 00 02 00 08 00
|
|
; CHECKREL-NEXT: 0006d0 00 00 00 00 00 0c 20 00 00 00 08 00 00 00 00 00
|
|
; Continuation of relocation data directory.
|
|
; 03 is prefix byte
|
|
; 2. is header type (RT_RLD)
|
|
; .2 is flag (record is continuation but not continued)
|
|
; 00 is version
|
|
; CHECKREL-NEXT: 0006e0 03 22 00 00 07 00 00 00 09 40 00 00 00 08 00 00
|
|
; CHECKREL-NEXT: 0006f0 00 00 00 00 0e 00 00 00 08 00 00 00 00 00 00 00
|
|
; CHECKREL-NEXT: 000700 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
|
; CHECKREL-NEXT: 000710 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
|
; CHECKREL-NEXT: 000720 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|