| 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 |
