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Richard W.M. Jones
2016-Nov-09 12:26 UTC
[Libguestfs] [PATCH] filearch: Add s390 and s390x detection and tests.

Unfortunately I was unable to build s390 binaries since multilib was
dropped in Fedora 24 on s390x.  Going from the source of the 'file'
command it seems as if it prints "32-bit" (the architecture is really
31 bit).
---
 generator/actions.ml                 |  12 ++++++++++++
 src/filearch.c                       |  10 ++++++++++
 test-data/Makefile.am                |   2 ++
 test-data/binaries/Makefile.am       |   2 ++
 test-data/binaries/bin-s390x-dynamic | Bin 0 -> 8448 bytes
 test-data/binaries/lib-s390x.so      | Bin 0 -> 7696 bytes
 6 files changed, 26 insertions(+)
 create mode 100755 test-data/binaries/bin-s390x-dynamic
 create mode 100755 test-data/binaries/lib-s390x.so

diff --git a/generator/actions.ml b/generator/actions.ml
index 91a1819..43de38b 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -798,6 +798,8 @@ to specify the QEMU interface emulation to use at run
time." };
       InitISOFS, Always, TestResultString (
         [["file_architecture"; "/bin-riscv64-dynamic"]],
"riscv64"), [];
       InitISOFS, Always, TestResultString (
+        [["file_architecture"; "/bin-s390x-dynamic"]],
"s390x"), [];
+      InitISOFS, Always, TestResultString (
         [["file_architecture"; "/bin-sparc-dynamic"]],
"sparc"), [];
       InitISOFS, Always, TestResultString (
         [["file_architecture"; "/bin-win32.exe"]],
"i386"), [];
@@ -818,6 +820,8 @@ to specify the QEMU interface emulation to use at run
time." };
       InitISOFS, Always, TestResultString (
         [["file_architecture"; "/lib-riscv64.so"]],
"riscv64"), [];
       InitISOFS, Always, TestResultString (
+        [["file_architecture"; "/lib-s390x.so"]],
"s390x"), [];
+      InitISOFS, Always, TestResultString (
         [["file_architecture"; "/lib-sparc.so"]],
"sparc"), [];
       InitISOFS, Always, TestResultString (
         [["file_architecture"; "/lib-win32.dll"]],
"i386"), [];
@@ -880,6 +884,14 @@ Intel Itanium.
 
 RISC-V 32-, 64- or 128-bit variants.
 
+=item \"s390\"
+
+31 bit IBM S/390.
+
+=item \"s390x\"
+
+64 bit IBM S/390.
+
 =item \"sparc\"
 
 32 bit SPARC.
diff --git a/src/filearch.c b/src/filearch.c
index 310038e..2c75425 100644
--- a/src/filearch.c
+++ b/src/filearch.c
@@ -102,6 +102,16 @@ canonical_elf_arch (guestfs_h *g,
     ret = safe_asprintf (g, "riscv%s", bits);
     goto no_strdup;
   }
+  else if (strstr (elf_arch, "IBM S/390")) {
+    if (STREQ (bits, "32"))
+      r = "s390";
+    else if (STREQ (bits, "64"))
+      r = "s390x";
+    else {
+      error (g, "file_architecture: unknown S/390 bit size: %s",
bits);
+      return NULL;
+    }
+  }
   else
     r = elf_arch;
 
diff --git a/test-data/Makefile.am b/test-data/Makefile.am
index 86cd5a2..0ac7354 100644
--- a/test-data/Makefile.am
+++ b/test-data/Makefile.am
@@ -42,6 +42,7 @@ image_files = \
 	$(srcdir)/binaries/bin-ppc64-dynamic \
 	$(srcdir)/binaries/bin-ppc64le-dynamic \
 	$(srcdir)/binaries/bin-riscv64-dynamic \
+	$(srcdir)/binaries/bin-s390x-dynamic \
 	$(srcdir)/binaries/bin-sparc-dynamic \
 	$(srcdir)/binaries/bin-win32.exe \
 	$(srcdir)/binaries/bin-win64.exe \
@@ -54,6 +55,7 @@ image_files = \
 	$(srcdir)/binaries/lib-ppc64.so \
 	$(srcdir)/binaries/lib-ppc64le.so \
 	$(srcdir)/binaries/lib-riscv64.so \
+	$(srcdir)/binaries/lib-s390x.so \
 	$(srcdir)/binaries/lib-sparc.so \
 	$(srcdir)/binaries/lib-win32.dll \
 	$(srcdir)/binaries/lib-win64.dll \
diff --git a/test-data/binaries/Makefile.am b/test-data/binaries/Makefile.am
index ccc7d00..05c1eb9 100644
--- a/test-data/binaries/Makefile.am
+++ b/test-data/binaries/Makefile.am
@@ -27,6 +27,7 @@ EXTRA_DIST = \
 	bin-ppc64-dynamic \
 	bin-ppc64le-dynamic \
 	bin-riscv64-dynamic \
+	bin-s390x-dynamic \
 	bin-sparc-dynamic \
 	bin-win32.exe \
 	bin-win64.exe \
@@ -39,6 +40,7 @@ EXTRA_DIST = \
 	lib-ppc64le.so \
 	lib-mipsel.so \
 	lib-riscv64.so \
+	lib-s390x.so \
 	lib-sparc.so \
 	lib-win32.dll \
 	lib-win64.dll \
diff --git a/test-data/binaries/bin-s390x-dynamic
b/test-data/binaries/bin-s390x-dynamic
new file mode 100755
index
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diff --git a/test-data/binaries/lib-s390x.so b/test-data/binaries/lib-s390x.so
new file mode 100755
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-- 
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