mirror of
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Update.
2004-09-07 Jakub Jelinek <jakub@redhat.com> * sysdeps/powerpc/powerpc64/configure.in: New file. * config.h.in (USE_PPC64_OVERLAPPING_OPD): Add. * configure.in (HAVE_ASM_GLOBAL_DOT_NAME): Remove. * sysdeps/powerpc/powerpc64/sysdep.h: Formatting. (OPD_ENT, BODY_LABEL, ENTRY_1, ENTRY_2, END_2, DOT_PREFIX, BODY_PREFIX): Define. (ENTRY, DOT_LABEL, END, TRACEBACK, END_GEN_TB, EALIGN): Support HAVE_ASM_GLOBAL_DOT_NAME or no dot symbols, USE_PPC64_OVERLAPPING_OPD or never overlapping .opd entries. * sysdeps/powerpc/powerpc64/dl-machine.h: Include sysdep.h. (TRAMPOLINE_TEMPLATE, RTLD_START): Use the new sysdep.h macros.
This commit is contained in:
Ulrich Drepper
parent
67254a97d9
commit
590b40f7ec
14
ChangeLog
14
ChangeLog
@ -1,3 +1,17 @@
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2004-09-07 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/powerpc/powerpc64/configure.in: New file.
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* config.h.in (USE_PPC64_OVERLAPPING_OPD): Add.
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* configure.in (HAVE_ASM_GLOBAL_DOT_NAME): Remove.
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* sysdeps/powerpc/powerpc64/sysdep.h: Formatting.
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(OPD_ENT, BODY_LABEL, ENTRY_1, ENTRY_2, END_2, DOT_PREFIX,
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BODY_PREFIX): Define.
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(ENTRY, DOT_LABEL, END, TRACEBACK, END_GEN_TB, EALIGN): Support
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HAVE_ASM_GLOBAL_DOT_NAME or no dot symbols,
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USE_PPC64_OVERLAPPING_OPD or never overlapping .opd entries.
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* sysdeps/powerpc/powerpc64/dl-machine.h: Include sysdep.h.
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(TRAMPOLINE_TEMPLATE, RTLD_START): Use the new sysdep.h macros.
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2004-09-07 Ulrich Drepper <drepper@redhat.com>
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* malloc/malloc.h: Don't define __THROW if it is already defined.
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@ -61,6 +61,9 @@
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/* Define a symbol_name as a global .symbol_name for ld. */
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#undef HAVE_ASM_GLOBAL_DOT_NAME
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/* On powerpc64, use overlapping .opd entries. */
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#undef USE_PPC64_OVERLAPPING_OPD
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/* Define if the assembler generates debugging information directly. */
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#undef HAVE_CPP_ASM_DEBUGINFO
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10
configure
vendored
10
configure
vendored
@ -5031,16 +5031,6 @@ _ACEOF
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fi
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# The Aix ld uses global .symbol_names instead of symbol_names.
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# Unfortunately also used in the PPC64 ELF ABI.
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case "${os}${machine}" in
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aix4.3* | linux*powerpc/powerpc64*)
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_ASM_GLOBAL_DOT_NAME 1
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_ACEOF
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esac
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echo "$as_me:$LINENO: checking for .symver assembler directive" >&5
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echo $ECHO_N "checking for .symver assembler directive... $ECHO_C" >&6
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if test "${libc_cv_asm_symver_directive+set}" = set; then
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@ -1030,13 +1030,6 @@ if test "x$libc_cv_asm_type_prefix" != xno; then
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AC_DEFINE_UNQUOTED(ASM_TYPE_DIRECTIVE_PREFIX, ${libc_cv_asm_type_prefix})
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fi
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# The Aix ld uses global .symbol_names instead of symbol_names.
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# Unfortunately also used in the PPC64 ELF ABI.
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case "${os}${machine}" in
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aix4.3* | linux*powerpc/powerpc64*)
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AC_DEFINE(HAVE_ASM_GLOBAL_DOT_NAME)
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esac
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AC_CACHE_CHECK(for .symver assembler directive, libc_cv_asm_symver_directive,
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[cat > conftest.s <<EOF
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${libc_cv_dot_text}
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@ -1,5 +1,8 @@
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2004-09-07 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: Allow
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PSEUDO to be used with . prefix.
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* sysdeps/unix/sysv/linux/alpha/pthread_once.c (__pthread_once):
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Use atomic_increment instead of atomic_exchange_and_add.
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* sysdeps/unix/sysv/linux/sparc/pthread_once.c (__pthread_once):
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@ -37,7 +37,7 @@ pthread_barrier_wait(barrier_t *barrier)
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} while (event == barrier->curr_event);
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}
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if (atomic_exchange_and_add (barrier->left, 1) == barrier->init_count - 1)
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if (atomic_increment_val (barrier->left) == barrier->init_count)
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lll_unlock(barrier->lock);
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return result;
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@ -26,6 +26,12 @@
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#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
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# ifdef HAVE_ASM_GLOBAL_DOT_NAME
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# define DASHDASHPFX(str) .__##str
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# else
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# define DASHDASHPFX(str) __##str
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# endif
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# undef PSEUDO
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# define PSEUDO(name, syscall_name, args) \
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.section ".text"; \
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@ -33,12 +39,12 @@
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cfi_startproc; \
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SINGLE_THREAD_P; \
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bne- .Lpseudo_cancel; \
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.type .__##syscall_name##_nocancel,@function; \
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.globl .__##syscall_name##_nocancel; \
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.__##syscall_name##_nocancel: \
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.type DASHDASHPFX(syscall_name##_nocancel),@function; \
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.globl DASHDASHPFX(syscall_name##_nocancel); \
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DASHDASHPFX(syscall_name##_nocancel): \
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DO_CALL (SYS_ify (syscall_name)); \
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PSEUDO_RET; \
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.size .__##syscall_name##_nocancel,.-.__##syscall_name##_nocancel; \
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.size DASHDASHPFX(syscall_name##_nocancel),.-DASHDASHPFX(syscall_name##_nocancel); \
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.Lpseudo_cancel: \
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stdu 1,-128(1); \
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cfi_adjust_cfa_offset (128); \
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68
sysdeps/powerpc/powerpc64/configure
vendored
Normal file
68
sysdeps/powerpc/powerpc64/configure
vendored
Normal file
@ -0,0 +1,68 @@
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/powerpc/powerpc64.
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# The Aix ld uses global .symbol_names instead of symbol_names
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# and unfortunately early Linux PPC64 linkers use it as well.
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echo "$as_me:$LINENO: checking for support for omitting dot symbols" >&5
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echo $ECHO_N "checking for support for omitting dot symbols... $ECHO_C" >&6
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if test "${libc_cv_omit_dot_syms+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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libc_cv_omit_dot_syms=no
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echo 'void foo (void) {}' > conftest.c
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&5'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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if grep -w '\.foo' conftest.s > /dev/null; then
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:
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else
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libc_cv_omit_dot_syms=yes
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fi
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fi
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rm -f conftest.c conftest.s
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fi
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echo "$as_me:$LINENO: result: $libc_cv_omit_dot_syms" >&5
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echo "${ECHO_T}$libc_cv_omit_dot_syms" >&6
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if test x$libc_cv_omit_dot_syms != xyes; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_ASM_GLOBAL_DOT_NAME 1
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_ACEOF
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fi
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echo "$as_me:$LINENO: checking for linker support for overlapping .opd entries" >&5
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echo $ECHO_N "checking for linker support for overlapping .opd entries... $ECHO_C" >&6
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if test "${libc_cv_overlapping_opd+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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libc_cv_overlapping_opd=no
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echo 'void foo (void) {}' > conftest.c
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&5'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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if grep '\.TOC\.@tocbase' conftest.s > /dev/null; then
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if grep '\.TOC\.@tocbase[ ]*,[ ]*0' conftest.s > /dev/null; then
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:
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else
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libc_cv_overlapping_opd=yes
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fi
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fi
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fi
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rm -f conftest.c conftest.s
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fi
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echo "$as_me:$LINENO: result: $libc_cv_overlapping_opd" >&5
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echo "${ECHO_T}$libc_cv_overlapping_opd" >&6
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if test x$libc_cv_overlapping_opd = xyes; then
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cat >>confdefs.h <<\_ACEOF
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#define USE_PPC64_OVERLAPPING_OPD 1
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_ACEOF
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fi
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42
sysdeps/powerpc/powerpc64/configure.in
Normal file
42
sysdeps/powerpc/powerpc64/configure.in
Normal file
@ -0,0 +1,42 @@
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/powerpc/powerpc64.
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# The Aix ld uses global .symbol_names instead of symbol_names
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# and unfortunately early Linux PPC64 linkers use it as well.
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AC_CACHE_CHECK(for support for omitting dot symbols,
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libc_cv_omit_dot_syms, [dnl
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libc_cv_omit_dot_syms=no
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echo 'void foo (void) {}' > conftest.c
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if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
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if grep -w '\.foo' conftest.s > /dev/null; then
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:
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else
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libc_cv_omit_dot_syms=yes
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fi
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fi
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rm -f conftest.c conftest.s
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])
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if test x$libc_cv_omit_dot_syms != xyes; then
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AC_DEFINE(HAVE_ASM_GLOBAL_DOT_NAME)
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fi
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AC_CACHE_CHECK(for linker support for overlapping .opd entries,
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libc_cv_overlapping_opd, [dnl
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libc_cv_overlapping_opd=no
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echo 'void foo (void) {}' > conftest.c
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if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
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changequote(,)dnl
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if grep '\.TOC\.@tocbase' conftest.s > /dev/null; then
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if grep '\.TOC\.@tocbase[ ]*,[ ]*0' conftest.s > /dev/null; then
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:
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else
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libc_cv_overlapping_opd=yes
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fi
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fi
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changequote([,])dnl
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fi
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rm -f conftest.c conftest.s
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])
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if test x$libc_cv_overlapping_opd = xyes; then
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AC_DEFINE(USE_PPC64_OVERLAPPING_OPD)
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fi
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@ -27,6 +27,7 @@
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#include <assert.h>
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#include <sys/param.h>
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#include <dl-tls.h>
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#include <sysdep.h>
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/* Translate a processor specific dynamic tag to the index
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in l_info array. */
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@ -117,16 +118,15 @@ elf_machine_dynamic (void)
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#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
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asm (".section \".text\"\n" \
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" .align 2\n" \
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" .globl ." #tramp_name "\n" \
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" .type ." #tramp_name ",@function\n" \
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" .type " BODY_PREFIX #tramp_name ",@function\n" \
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" .section \".opd\",\"aw\"\n" \
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" .align 3\n" \
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" .globl " #tramp_name "\n" \
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" .size " #tramp_name ",24\n" \
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" " ENTRY_2(tramp_name) "\n" \
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#tramp_name ":\n" \
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" .quad ." #tramp_name ",.TOC.@tocbase,0\n" \
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" " OPD_ENT(tramp_name) "\n" \
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" .previous\n" \
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"." #tramp_name ":\n" \
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BODY_PREFIX #tramp_name ":\n" \
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/* We need to save the registers used to pass parameters, ie. r3 thru \
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r10; the registers are saved in a stack frame. */ \
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" stdu 1,-128(1)\n" \
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@ -141,14 +141,14 @@ elf_machine_dynamic (void)
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" std 7,80(1)\n" \
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" mflr 0\n" \
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" std 8,88(1)\n" \
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/* Store the LR in the LR Save area of the previous frame. */ \
|
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/* Store the LR in the LR Save area of the previous frame. */ \
|
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" std 0,128+16(1)\n" \
|
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" mfcr 0\n" \
|
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" std 9,96(1)\n" \
|
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" std 10,104(1)\n" \
|
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/* I'm almost certain we don't have to save cr... be safe. */ \
|
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/* I'm almost certain we don't have to save cr... be safe. */ \
|
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" std 0,8(1)\n" \
|
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" bl ." #fixup_name "\n" \
|
||||
" bl " DOT_PREFIX #fixup_name "\n" \
|
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/* Put the registers back. */ \
|
||||
" ld 0,128+16(1)\n" \
|
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" ld 10,104(1)\n" \
|
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@ -174,13 +174,13 @@ elf_machine_dynamic (void)
|
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".LT_" #tramp_name ":\n" \
|
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" .long 0\n" \
|
||||
" .byte 0x00,0x0c,0x24,0x40,0x00,0x00,0x00,0x00\n" \
|
||||
" .long .LT_" #tramp_name "-."#tramp_name "\n" \
|
||||
" .long .LT_" #tramp_name "-" BODY_PREFIX #tramp_name "\n" \
|
||||
" .short .LT_" #tramp_name "_name_end-.LT_" #tramp_name "_name_start\n" \
|
||||
".LT_" #tramp_name "_name_start:\n" \
|
||||
" .ascii \"" #tramp_name "\"\n" \
|
||||
".LT_" #tramp_name "_name_end:\n" \
|
||||
" .align 2\n" \
|
||||
" .size ." #tramp_name ",. - ." #tramp_name "\n" \
|
||||
" " END_2(tramp_name) "\n" \
|
||||
" .previous");
|
||||
|
||||
#ifndef PROF
|
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@ -210,16 +210,15 @@ elf_machine_dynamic (void)
|
||||
#define RTLD_START \
|
||||
asm (".section \".text\"\n" \
|
||||
" .align 2\n" \
|
||||
" .globl ._start\n" \
|
||||
" .type ._start,@function\n" \
|
||||
" .type " BODY_PREFIX "_start,@function\n" \
|
||||
" .section \".opd\",\"aw\"\n" \
|
||||
" .align 3\n" \
|
||||
" .globl _start\n" \
|
||||
" .size _start,24\n" \
|
||||
" " ENTRY_2(_start) "\n" \
|
||||
"_start:\n" \
|
||||
" .quad ._start,.TOC.@tocbase,0\n" \
|
||||
" " OPD_ENT(_start) "\n" \
|
||||
" .previous\n" \
|
||||
"._start:\n" \
|
||||
BODY_PREFIX "_start:\n" \
|
||||
/* We start with the following on the stack, from top: \
|
||||
argc (4 bytes); \
|
||||
arguments for program (terminated by NULL); \
|
||||
@ -229,24 +228,24 @@ elf_machine_dynamic (void)
|
||||
" li 4,0\n" \
|
||||
" stdu 4,-128(1)\n" \
|
||||
/* Call _dl_start with one parameter pointing at argc. */ \
|
||||
" bl ._dl_start\n" \
|
||||
" bl " DOT_PREFIX "_dl_start\n" \
|
||||
" nop\n" \
|
||||
/* Transfer control to _dl_start_user! */ \
|
||||
" b ._dl_start_user\n" \
|
||||
".LT__start:\n" \
|
||||
" .long 0\n" \
|
||||
" b " DOT_PREFIX "_dl_start_user\n" \
|
||||
".LT__start:\n" \
|
||||
" .long 0\n" \
|
||||
" .byte 0x00,0x0c,0x24,0x40,0x00,0x00,0x00,0x00\n" \
|
||||
" .long .LT__start-._start\n" \
|
||||
" .long .LT__start-" BODY_PREFIX "_start\n" \
|
||||
" .short .LT__start_name_end-.LT__start_name_start\n" \
|
||||
".LT__start_name_start:\n" \
|
||||
" .ascii \"_start\"\n" \
|
||||
".LT__start_name_end:\n" \
|
||||
" .align 2\n" \
|
||||
" .size ._start,.-._start\n" \
|
||||
" " END_2(_start) "\n" \
|
||||
" .globl _dl_start_user\n" \
|
||||
" .section \".opd\",\"aw\"\n" \
|
||||
"_dl_start_user:\n" \
|
||||
" .quad ._dl_start_user, .TOC.@tocbase, 0\n" \
|
||||
" " OPD_ENT(_dl_start_user) "\n" \
|
||||
" .previous\n" \
|
||||
" .section \".toc\",\"aw\"\n" \
|
||||
DL_STARTING_UP_DEF \
|
||||
@ -259,20 +258,20 @@ DL_STARTING_UP_DEF \
|
||||
".LC__dl_fini:\n" \
|
||||
" .tc _dl_fini[TC],_dl_fini\n" \
|
||||
" .previous\n" \
|
||||
" .globl ._dl_start_user\n" \
|
||||
" .type ._dl_start_user,@function\n" \
|
||||
/* Now, we do our main work of calling initialisation procedures. \
|
||||
The ELF ABI doesn't say anything about parameters for these, \
|
||||
so we just pass argc, argv, and the environment. \
|
||||
Changing these is strongly discouraged (not least because argc is \
|
||||
passed by value!). */ \
|
||||
"._dl_start_user:\n" \
|
||||
" .type " BODY_PREFIX "_dl_start_user,@function\n" \
|
||||
" " ENTRY_2(_dl_start_user) "\n" \
|
||||
/* Now, we do our main work of calling initialisation procedures. \
|
||||
The ELF ABI doesn't say anything about parameters for these, \
|
||||
so we just pass argc, argv, and the environment. \
|
||||
Changing these is strongly discouraged (not least because argc is \
|
||||
passed by value!). */ \
|
||||
BODY_PREFIX "_dl_start_user:\n" \
|
||||
/* the address of _start in r30. */ \
|
||||
" mr 30,3\n" \
|
||||
/* &_dl_argc in 29, &_dl_argv in 27, and _dl_loaded in 28. */ \
|
||||
" ld 28,.LC__rtld_global@toc(2)\n" \
|
||||
" ld 29,.LC__dl_argc@toc(2)\n" \
|
||||
" ld 27,.LC__dl_argv@toc(2)\n" \
|
||||
" ld 28,.LC__rtld_global@toc(2)\n" \
|
||||
" ld 29,.LC__dl_argc@toc(2)\n" \
|
||||
" ld 27,.LC__dl_argv@toc(2)\n" \
|
||||
/* _dl_init (_dl_loaded, _dl_argc, _dl_argv, _dl_argv+_dl_argc+1). */ \
|
||||
" ld 3,0(28)\n" \
|
||||
" lwa 4,0(29)\n" \
|
||||
@ -280,7 +279,7 @@ DL_STARTING_UP_DEF \
|
||||
" sldi 6,4,3\n" \
|
||||
" add 6,5,6\n" \
|
||||
" addi 6,6,8\n" \
|
||||
" bl ._dl_init\n" \
|
||||
" bl " DOT_PREFIX "_dl_init\n" \
|
||||
" nop\n" \
|
||||
/* Now, to conform to the ELF ABI, we have to: \
|
||||
Pass argc (actually _dl_argc) in r3; */ \
|
||||
@ -305,7 +304,7 @@ DL_STARTING_UP_DEF \
|
||||
linked statically, which linux will call with argc on top of the \
|
||||
stack which will hopefully never be zero, and a dynamically linked \
|
||||
program which will always have a NULL on the top of the stack. \
|
||||
Take the opportunity to clear LR, so anyone who accidentally \
|
||||
Take the opportunity to clear LR, so anyone who accidentally \
|
||||
returns from _start gets SEGV. Also clear the next few words of \
|
||||
the stack. */ \
|
||||
" li 31,0\n" \
|
||||
@ -315,23 +314,23 @@ DL_STARTING_UP_DEF \
|
||||
" std 31,16(1)\n" \
|
||||
" std 31,24(1)\n" \
|
||||
/* Now, call the start function descriptor at r30... */ \
|
||||
" .globl ._dl_main_dispatch\n" \
|
||||
"._dl_main_dispatch:\n" \
|
||||
" .globl ._dl_main_dispatch\n" \
|
||||
"._dl_main_dispatch:\n" \
|
||||
" ld 0,0(30)\n" \
|
||||
" ld 2,8(30)\n" \
|
||||
" mtctr 0\n" \
|
||||
" ld 11,16(30)\n" \
|
||||
" bctr\n" \
|
||||
".LT__dl_start_user:\n" \
|
||||
".LT__dl_start_user:\n" \
|
||||
" .long 0\n" \
|
||||
" .byte 0x00,0x0c,0x24,0x40,0x00,0x00,0x00,0x00\n" \
|
||||
" .long .LT__dl_start_user-._dl_start_user\n" \
|
||||
" .long .LT__dl_start_user-" BODY_PREFIX "_dl_start_user\n" \
|
||||
" .short .LT__dl_start_user_name_end-.LT__dl_start_user_name_start\n" \
|
||||
".LT__dl_start_user_name_start:\n" \
|
||||
" .ascii \"_dl_start_user\"\n" \
|
||||
".LT__dl_start_user_name_end:\n" \
|
||||
" .align 2\n" \
|
||||
" .size ._dl_start_user,.-._dl_start_user\n" \
|
||||
" " END_2(_dl_start_user) "\n" \
|
||||
" .previous");
|
||||
|
||||
/* Nonzero iff TYPE should not be allowed to resolve to one of
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* Assembly macros for 64-bit PowerPC.
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -19,9 +19,10 @@
|
||||
|
||||
#include <sysdeps/powerpc/sysdep.h>
|
||||
|
||||
#ifdef __ELF__
|
||||
|
||||
#ifdef __ASSEMBLER__
|
||||
|
||||
#ifdef __ELF__
|
||||
/* If compiled for profiling, call `_mcount' at the start of each function.
|
||||
see ppc-mcount.S for more details. */
|
||||
#ifdef PROF
|
||||
@ -29,48 +30,70 @@
|
||||
to locate our caller and so it can restore it; so store one just
|
||||
for its benefit. */
|
||||
#ifdef SYSV_ELF_PROFILING
|
||||
#define CALL_MCOUNT \
|
||||
.pushsection; \
|
||||
.section ".data"; \
|
||||
.align ALIGNARG(2); \
|
||||
__mcount: \
|
||||
.long 0; \
|
||||
.previous; \
|
||||
.section ".toc","aw"; \
|
||||
.LC__mcount:; \
|
||||
.tc __mcount[TC],__mcount; \
|
||||
.previous; \
|
||||
mflr r0; \
|
||||
std r0,16(r1); \
|
||||
ld r0,.LC__mcount@toc(r2); \
|
||||
#define CALL_MCOUNT \
|
||||
.pushsection; \
|
||||
.section ".data"; \
|
||||
.align ALIGNARG(2); \
|
||||
__mcount: \
|
||||
.long 0; \
|
||||
.previous; \
|
||||
.section ".toc","aw"; \
|
||||
.LC__mcount:; \
|
||||
.tc __mcount[TC],__mcount; \
|
||||
.previous; \
|
||||
mflr r0; \
|
||||
std r0,16(r1); \
|
||||
ld r0,.LC__mcount@toc(r2); \
|
||||
bl JUMPTARGET(_mcount);
|
||||
#else /* SYSV_ELF_PROFILING */
|
||||
#define CALL_MCOUNT \
|
||||
mflr r0; \
|
||||
std r0,16(r1); \
|
||||
#define CALL_MCOUNT \
|
||||
mflr r0; \
|
||||
std r0,16(r1); \
|
||||
bl JUMPTARGET(_mcount);
|
||||
#endif /* SYSV_ELF_PROFILING */
|
||||
#else /* PROF */
|
||||
#define CALL_MCOUNT /* Do nothing. */
|
||||
#endif /* PROF */
|
||||
|
||||
#define DOT_LABEL(X) .##X
|
||||
#ifdef USE_PPC64_OVERLAPPING_OPD
|
||||
# define OPD_ENT(name) .quad BODY_LABEL (name), .TOC.@tocbase
|
||||
#else
|
||||
# define OPD_ENT(name) .quad BODY_LABEL (name), .TOC.@tocbase, 0
|
||||
#endif
|
||||
|
||||
#define ENTRY_1(name) \
|
||||
.section ".text"; \
|
||||
.type BODY_LABEL(name),@function; \
|
||||
.globl name; \
|
||||
.section ".opd","aw"; \
|
||||
.align 3; \
|
||||
name##: OPD_ENT (name); \
|
||||
.previous;
|
||||
|
||||
#ifdef HAVE_ASM_GLOBAL_DOT_NAME
|
||||
# define DOT_LABEL(X) .##X
|
||||
# define BODY_LABEL(X) .##X
|
||||
# define ENTRY_2(name) \
|
||||
.globl BODY_LABEL(name); \
|
||||
ENTRY_1(name) \
|
||||
.size name, 24;
|
||||
# define END_2(name) \
|
||||
.size BODY_LABEL(name),.-BODY_LABEL(name);
|
||||
#else
|
||||
# define DOT_LABEL(X) X
|
||||
# define BODY_LABEL(X) .LY##X
|
||||
# define ENTRY_2(name) \
|
||||
.type name,@function; \
|
||||
ENTRY_1(name)
|
||||
# define END_2(name) \
|
||||
.size name,.-BODY_LABEL(name); \
|
||||
.size BODY_LABEL(name),.-BODY_LABEL(name);
|
||||
#endif
|
||||
|
||||
#define ENTRY(name) \
|
||||
.section ".text"; \
|
||||
.align ALIGNARG(2); \
|
||||
.globl DOT_LABEL(name); \
|
||||
.type DOT_LABEL(name),@function ; \
|
||||
.globl name; \
|
||||
.section ".opd","aw"; \
|
||||
.align 3; \
|
||||
.size name,24; \
|
||||
name##: ; \
|
||||
.quad DOT_LABEL(name) ; \
|
||||
.quad .TOC.@tocbase, 0; \
|
||||
.previous; \
|
||||
DOT_LABEL(name):
|
||||
|
||||
ENTRY_2(name) \
|
||||
.align ALIGNARG(2); \
|
||||
BODY_LABEL(name):
|
||||
|
||||
#define EALIGN_W_0 /* No words to insert. */
|
||||
#define EALIGN_W_1 nop
|
||||
@ -82,44 +105,24 @@ DOT_LABEL(name):
|
||||
#define EALIGN_W_7 EALIGN_W_6;nop
|
||||
|
||||
/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes
|
||||
past a 2^align boundary. */
|
||||
past a 2^alignt boundary. */
|
||||
#ifdef PROF
|
||||
#define EALIGN(name, alignt, words) \
|
||||
.section ".text"; \
|
||||
.globl DOT_LABEL(name); \
|
||||
.type DOT_LABEL(name),@function ; \
|
||||
.globl name; \
|
||||
.section ".opd","aw"; \
|
||||
.align 3; \
|
||||
.size name,24; \
|
||||
name##: ; \
|
||||
.quad DOT_LABEL(name) ; \
|
||||
.quad .TOC.@tocbase, 0; \
|
||||
.previous; \
|
||||
.align ALIGNARG(alignt); \
|
||||
EALIGN_W_##words; \
|
||||
DOT_LABEL(name): \
|
||||
CALL_MCOUNT \
|
||||
b 0f; \
|
||||
.align ALIGNARG(alignt); \
|
||||
EALIGN_W_##words; \
|
||||
0:
|
||||
ENTRY_2(name) \
|
||||
.align ALIGNARG(alignt); \
|
||||
EALIGN_W_##words; \
|
||||
BODY_LABEL(name): \
|
||||
CALL_MCOUNT \
|
||||
b 0f; \
|
||||
.align ALIGNARG(alignt); \
|
||||
EALIGN_W_##words; \
|
||||
0:
|
||||
#else /* PROF */
|
||||
#define EALIGN(name, alignt, words) \
|
||||
.section ".text"; \
|
||||
.globl DOT_LABEL(name); \
|
||||
.type DOT_LABEL(name),@function ; \
|
||||
.globl name; \
|
||||
.section ".opd","aw"; \
|
||||
.align 3; \
|
||||
.size name,24; \
|
||||
name##: ; \
|
||||
.quad DOT_LABEL(name) ; \
|
||||
.quad .TOC.@tocbase, 0; \
|
||||
.previous; \
|
||||
.align ALIGNARG(alignt); \
|
||||
EALIGN_W_##words; \
|
||||
DOT_LABEL(name):
|
||||
ENTRY_2(name) \
|
||||
.align ALIGNARG(alignt); \
|
||||
EALIGN_W_##words; \
|
||||
BODY_LABEL(name):
|
||||
#endif
|
||||
|
||||
/* Local labels stripped out by the linker. */
|
||||
@ -135,35 +138,35 @@ DOT_LABEL(name):
|
||||
|
||||
/* Support Traceback tables */
|
||||
#define TB_ASM 0x000c000000000000
|
||||
#define TB_GLOBALLINK 0x0000800000000000
|
||||
#define TB_GLOBALLINK 0x0000800000000000
|
||||
#define TB_IS_EPROL 0x0000400000000000
|
||||
#define TB_HAS_TBOFF 0x0000200000000000
|
||||
#define TB_HAS_TBOFF 0x0000200000000000
|
||||
#define TB_INT_PROC 0x0000100000000000
|
||||
#define TB_HAS_CTL 0x0000080000000000
|
||||
#define TB_TOCLESS 0x0000040000000000
|
||||
#define TB_FP_PRESENT 0x0000020000000000
|
||||
#define TB_LOG_ABORT 0x0000010000000000
|
||||
#define TB_INT_HANDL 0x0000008000000000
|
||||
#define TB_NAME_PRESENT 0x0000004000000000
|
||||
#define TB_USES_ALLOCA 0x0000002000000000
|
||||
#define TB_FP_PRESENT 0x0000020000000000
|
||||
#define TB_LOG_ABORT 0x0000010000000000
|
||||
#define TB_INT_HANDL 0x0000008000000000
|
||||
#define TB_NAME_PRESENT 0x0000004000000000
|
||||
#define TB_USES_ALLOCA 0x0000002000000000
|
||||
#define TB_SAVES_CR 0x0000000200000000
|
||||
#define TB_SAVES_LR 0x0000000100000000
|
||||
#define TB_STORES_BC 0x0000000080000000
|
||||
#define TB_STORES_BC 0x0000000080000000
|
||||
#define TB_FIXUP 0x0000000040000000
|
||||
#define TB_FP_SAVED(fprs) (((fprs) & 0x3f) << 24)
|
||||
#define TB_GPR_SAVED(gprs) (((fprs) & 0x3f) << 16)
|
||||
#define TB_FIXEDPARMS(parms) (((parms) & 0xff) << 8)
|
||||
#define TB_FLOATPARMS(parms) (((parms) & 0x7f) << 1)
|
||||
#define TB_PARMSONSTK 0x0000000000000001
|
||||
#define TB_PARMSONSTK 0x0000000000000001
|
||||
|
||||
#define PPC_HIGHER(v) (((v) >> 32) & 0xffff)
|
||||
#define TB_DEFAULT TB_ASM | TB_HAS_TBOFF | TB_NAME_PRESENT
|
||||
#define PPC_HIGHER(v) (((v) >> 32) & 0xffff)
|
||||
#define TB_DEFAULT TB_ASM | TB_HAS_TBOFF | TB_NAME_PRESENT
|
||||
|
||||
#define TRACEBACK(name) \
|
||||
LT_LABEL(name): ; \
|
||||
.long 0 ; \
|
||||
.quad TB_DEFAULT ; \
|
||||
.long LT_LABEL(name)-DOT_LABEL(name) ; \
|
||||
.long LT_LABEL(name)-BODY_LABEL(name) ; \
|
||||
.short LT_LABELSUFFIX(name,_name_end)-LT_LABELSUFFIX(name,_name_start) ; \
|
||||
LT_LABELSUFFIX(name,_name_start): ;\
|
||||
.ascii stringify(name) ; \
|
||||
@ -174,7 +177,7 @@ LT_LABELSUFFIX(name,_name_end): ; \
|
||||
LT_LABEL(name): ; \
|
||||
.long 0 ; \
|
||||
.quad TB_DEFAULT | mask ; \
|
||||
.long LT_LABEL(name)-DOT_LABEL(name) ; \
|
||||
.long LT_LABEL(name)-BODY_LABEL(name) ; \
|
||||
.short LT_LABELSUFFIX(name,_name_end)-LT_LABELSUFFIX(name,_name_start) ; \
|
||||
LT_LABELSUFFIX(name,_name_start): ;\
|
||||
.ascii stringify(name) ; \
|
||||
@ -184,14 +187,13 @@ LT_LABELSUFFIX(name,_name_end): ; \
|
||||
/* END generates Traceback tables */
|
||||
#undef END
|
||||
#define END(name) \
|
||||
TRACEBACK(name) \
|
||||
ASM_SIZE_DIRECTIVE(DOT_LABEL(name))
|
||||
TRACEBACK(name) \
|
||||
END_2(name)
|
||||
|
||||
/* This form supports more informative traceback tables */
|
||||
#define END_GEN_TB(name,mask) \
|
||||
TRACEBACK_MASK(name,mask) \
|
||||
ASM_SIZE_DIRECTIVE(DOT_LABEL(name))
|
||||
|
||||
END_2(name)
|
||||
|
||||
#define DO_CALL(syscall) \
|
||||
li 0,syscall; \
|
||||
@ -244,10 +246,31 @@ LT_LABELSUFFIX(name,_name_end): ; \
|
||||
#define PSEUDO_END_ERRVAL(name) \
|
||||
END (name)
|
||||
|
||||
/* Label in text section. */
|
||||
/* ppc64 function descriptors which requires . notation */
|
||||
#define C_TEXT(name) .##name
|
||||
#else /* !__ASSEMBLER__ */
|
||||
|
||||
#endif /* __ELF__ */
|
||||
#ifdef USE_PPC64_OVERLAPPING_OPD
|
||||
# define OPD_ENT(name) ".quad " BODY_PREFIX #name ", .TOC.@tocbase;"
|
||||
#else
|
||||
# define OPD_ENT(name) ".quad " BODY_PREFIX #name ", .TOC.@tocbase, 0;"
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_ASM_GLOBAL_DOT_NAME
|
||||
# define DOT_PREFIX "."
|
||||
# define BODY_PREFIX "."
|
||||
# define ENTRY_2(name) \
|
||||
".globl " BODY_PREFIX #name ";\n" \
|
||||
".size " #name ", 24;"
|
||||
# define END_2(name) \
|
||||
".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";"
|
||||
#else
|
||||
# define DOT_PREFIX ""
|
||||
# define BODY_PREFIX ".LY"
|
||||
# define ENTRY_2(name) ".type " #name ",@function;"
|
||||
# define END_2(name) \
|
||||
".size " #name ",.-" BODY_PREFIX #name ";\n" \
|
||||
".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";"
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLER__ */
|
||||
|
||||
#endif /* __ELF__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user