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-rw-r--r--sysdeps/hppa/configure.ac66
1 files changed, 66 insertions, 0 deletions
diff --git a/sysdeps/hppa/configure.ac b/sysdeps/hppa/configure.ac
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+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+
+dnl The standard hppa assembler uses `;' to start comments and `!'
+dnl as a line separator.
+AC_CACHE_CHECK(for assembler line separator,
+ libc_cv_asm_line_sep, [dnl
+cat > conftest.s <<EOF
+nop ; is_old_puffin
+EOF
+if AC_TRY_COMMAND(${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+ libc_cv_asm_line_sep='!'
+else
+ if test -z "$enable_hacker_mode"; then
+ echo "*** You need a newer assembler to compile glibc"
+ rm -f conftest*
+ exit 1
+ fi
+ libc_cv_asm_line_sep=';'
+fi
+rm -f conftest*])
+AC_DEFINE_UNQUOTED(ASM_LINE_SEP, $libc_cv_asm_line_sep)
+
+# Check for support of thread-local storage handling in assembler and
+# linker.
+AC_CACHE_CHECK(for hppa TLS support, libc_cv_hppa_tls, [dnl
+cat > conftest.s <<\EOF
+; Setup tls data
+.section ".tdata","awT",@progbits
+foo: .data 32
+ .text
+; Test general dyanmic relocations
+test0:
+ addil LT'foo-$tls_gdidx$, %r19
+ ldo RT'foo-$tls_gdidx$(%r1), %r26
+ b __tls_get_addr
+ nop
+; Test local dynamic relocations
+test1:
+ addil LT'foo-$tls_ldidx$, %r19
+ b __tls_get_addr
+ ldo RT'foo-$tls_ldidx$(%r1), %r26
+ ldo RR'foo-$tls_dtpoff$(%r1), %r25
+ ; More variables can be loaded...
+; Test initial exec reloctiosn
+test2:
+ mfctl %cr27, %r26
+ addil LT'foo-$tls_ieoff$, %r19
+ ldw RT'foo-$tls_ieoff$(%r1), %r25
+ add %r26, %r25, %r24
+; Test local exec relocations
+test3:
+ mfctl %cr27, %r26
+ addil LR'foo-$tls_leoff$, %r26
+ ldo RR'foo-$tls_leoff$(%r1), %r25
+; Done all the TLS tests.
+EOF
+dnl
+if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+ libc_cv_hppa_tls=yes
+else
+ libc_cv_hppa_tls=no
+fi
+rm -f conftest*])
+if test $libc_cv_hppa_tls = no; then
+ AC_MSG_ERROR([the assembler must support TLS])
+fi