me
/
guix
Archived
1
0
Fork 0
Code
This repository has been archived on 2024-08-07. You can view files and clone it, but cannot push or open issues/pull-requests.
guix/gnu/packages/patches/jamvm-1.5.1-armv7-support.p...

1314 lines
39 KiB
Diff
Raw Blame History

From 67faeb7d58e0d25a50d36788ed49ed383b92e090 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Mon, 26 Mar 2018 11:08:17 +0300
Subject: [PATCH] add ARMv7 support
---
src/arch/arm.h | 75 +++++-
src/os/linux/arm/Makefile.am | 9 +-
src/os/linux/arm/Makefile.in | 166 ++++++++----
src/os/linux/arm/callNative.S | 12 +-
src/os/linux/arm/callNativeEABI.S | 8 +-
src/os/linux/arm/callNativeEABIHard.S | 315 +++++++++++++++++++++++
src/os/linux/arm/callNativeEABIHardARM.S | 266 +++++++++++++++++++
src/os/linux/arm/dll_md.c | 61 ++++-
8 files changed, 843 insertions(+), 69 deletions(-)
create mode 100644 src/os/linux/arm/callNativeEABIHard.S
create mode 100644 src/os/linux/arm/callNativeEABIHardARM.S
diff --git a/src/arch/arm.h b/src/arch/arm.h
index ccf68c4..d2c0318 100644
--- a/src/arch/arm.h
+++ b/src/arch/arm.h
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2003, 2004, 2005, 2006, 2007
- * Robert Lougher <rob@lougher.org.uk>.
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
+ * 2014 Robert Lougher <rob@jamvm.org.uk>.
*
* This file is part of JamVM.
*
@@ -21,10 +21,16 @@
#define OS_ARCH "arm"
-/* Override default min and max heap sizes. ARM machines are
- usually embedded, and the standard defaults are too large. */
-#define DEFAULT_MAX_HEAP 16*MB
+/* Override minimum min heap size. The initial heap size is a ratio
+ of the physical memory, but it must be at least the minimum min
+ size. The normal setting is too large for ARM machines as they
+ are usually embedded. */
+#define MIN_MIN_HEAP 1*MB
+
+/* Likewise, override the default min/max heap sizes used when the
+ size of physical memory is not available */
#define DEFAULT_MIN_HEAP 1*MB
+#define DEFAULT_MAX_HEAP 64*MB
#ifdef DIRECT
#define HANDLER_TABLE_T static const void
@@ -51,6 +57,36 @@
/* Needed for i386 -- empty here */
#define FPU_HACK
+#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_7A__)
+#define COMPARE_AND_SWAP_32(addr, old_val, new_val) \
+({ \
+ int result, read_val; \
+ __asm__ __volatile__ (" \
+ 1: mov %0, #0; \
+ ldrex %1, [%2]; \
+ cmp %3, %1; \
+ bne 2f; \
+ strex %0, %4, [%2]; \
+ cmp %0, #1; \
+ beq 1b; \
+ mov %0, #1; \
+ 2:" \
+ : "=&r" (result), "=&r" (read_val) \
+ : "r" (addr), "r" (old_val), "r" (new_val) \
+ : "cc", "memory"); \
+ result; \
+})
+
+#define COMPARE_AND_SWAP(addr, old_val, new_val) \
+ COMPARE_AND_SWAP_32(addr, old_val, new_val)
+
+#define LOCKWORD_READ(addr) *addr
+#define LOCKWORD_WRITE(addr, value) *addr = value
+#define LOCKWORD_COMPARE_AND_SWAP(addr, old_val, new_val) \
+ COMPARE_AND_SWAP(addr, old_val, new_val)
+
+#else
+
#define LOCKWORD_COMPARE_AND_SWAP(addr, old_val, new_val) \
({ \
int result, read_val; \
@@ -94,7 +130,7 @@ do { \
: "r" (addr), "r" (new_val) \
: "cc", "memory"); \
} while(0)
-
+#endif
#ifdef __ARM_EABI__
#define FLUSH_CACHE(addr, length) \
@@ -124,8 +160,33 @@ do { \
}
#endif
+#define GEN_REL_JMP(target_addr, patch_addr, patch_size) \
+({ \
+ int patched = FALSE; \
+ \
+ if(patch_size >= 4) { \
+ /* Guard against the pointer difference being \
+ larger than the signed range */ \
+ long long offset = (uintptr_t)(target_addr) - \
+ (uintptr_t)(patch_addr) - 8; \
+ \
+ if(offset >= -1<<25 && offset < 1<<25) { \
+ *(int*)(patch_addr) = offset>>2 & 0x00ffffff \
+ | 0xea000000; \
+ patched = TRUE; \
+ } \
+ } \
+ patched; \
+})
+
+#ifdef __ARM_ARCH_7A__
+#define MBARRIER() __asm__ __volatile__ ("dmb" ::: "memory")
+#define UNLOCK_MBARRIER() __asm__ __volatile__ ("dmb" ::: "memory")
+#define JMM_LOCK_MBARRIER() __asm__ __volatile__ ("dmb" ::: "memory")
+#define JMM_UNLOCK_MBARRIER() __asm__ __volatile__ ("dmb" ::: "memory")
+#else
#define MBARRIER() __asm__ __volatile__ ("" ::: "memory")
#define UNLOCK_MBARRIER() __asm__ __volatile__ ("" ::: "memory")
#define JMM_LOCK_MBARRIER() __asm__ __volatile__ ("" ::: "memory")
#define JMM_UNLOCK_MBARRIER() __asm__ __volatile__ ("" ::: "memory")
-
+#endif
diff --git a/src/os/linux/arm/Makefile.am b/src/os/linux/arm/Makefile.am
index d18ea5a..74e7786 100644
--- a/src/os/linux/arm/Makefile.am
+++ b/src/os/linux/arm/Makefile.am
@@ -1,6 +1,6 @@
##
-## Copyright (C) 2003, 2004, 2005, 2006, 2007
-## Robert Lougher <rob@lougher.org.uk>.
+## Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010, 2011, 2012
+## Robert Lougher <rob@jamvm.org.uk>.
##
## This file is part of JamVM.
##
@@ -19,10 +19,11 @@
## Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
-EXTRA_DIST = callNativeOABI.S callNativeEABI.S
+EXTRA_DIST = callNativeOABI.S callNativeEABI.S callNativeEABIHard.S \
+ callNativeEABIHardARM.S
noinst_LTLIBRARIES = libnative.la
libnative_la_SOURCES = init.c dll_md.c callNative.S
-AM_CPPFLAGS = -I$(top_builddir)/src
+AM_CPPFLAGS = -I$(top_builddir)/src -I$(top_srcdir)/src
AM_CCASFLAGS = -I$(top_builddir)/src
diff --git a/src/os/linux/arm/Makefile.in b/src/os/linux/arm/Makefile.in
index 63b21ad..6d44ea9 100644
--- a/src/os/linux/arm/Makefile.in
+++ b/src/os/linux/arm/Makefile.in
@@ -1,8 +1,9 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.11.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@@ -15,9 +16,27 @@
@SET_MAKE@
VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
install_sh_DATA = $(install_sh) -c -m 644
install_sh_PROGRAM = $(install_sh) -c
@@ -42,13 +61,15 @@ am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
CONFIG_HEADER = $(top_builddir)/src/config.h
CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
LTLIBRARIES = $(noinst_LTLIBRARIES)
libnative_la_LIBADD =
am_libnative_la_OBJECTS = init.lo dll_md.lo callNative.lo
libnative_la_OBJECTS = $(am_libnative_la_OBJECTS)
-DEFAULT_INCLUDES = -I. -I$(top_builddir)/src@am__isrc@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/src
depcomp = $(SHELL) $(top_srcdir)/depcomp
am__depfiles_maybe = depfiles
+am__mv = mv -f
CPPASCOMPILE = $(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)
LTCPPASCOMPILE = $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
@@ -65,6 +86,11 @@ LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
$(LDFLAGS) -o $@
SOURCES = $(libnative_la_SOURCES)
DIST_SOURCES = $(libnative_la_SOURCES)
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
+ n|no|NO) false;; \
+ *) (install-info --version) >/dev/null 2>&1;; \
+ esac
ETAGS = etags
CTAGS = ctags
DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -84,21 +110,18 @@ CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
-CXX = @CXX@
-CXXCPP = @CXXCPP@
-CXXDEPMODE = @CXXDEPMODE@
-CXXFLAGS = @CXXFLAGS@
CYGPATH_W = @CYGPATH_W@
DEFS = @DEFS@
DEPDIR = @DEPDIR@
-ECHO = @ECHO@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
ECHO_C = @ECHO_C@
ECHO_N = @ECHO_N@
ECHO_T = @ECHO_T@
EGREP = @EGREP@
EXEEXT = @EXEEXT@
-F77 = @F77@
-FFLAGS = @FFLAGS@
+FGREP = @FGREP@
GREP = @GREP@
INSTALL = @INSTALL@
INSTALL_DATA = @INSTALL_DATA@
@@ -106,21 +129,30 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
JAVAC = @JAVAC@
+LD = @LD@
LDFLAGS = @LDFLAGS@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
+LIPO = @LIPO@
LN_S = @LN_S@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@
MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
MKDIR_P = @MKDIR_P@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
PACKAGE = @PACKAGE@
PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
PACKAGE_NAME = @PACKAGE_NAME@
PACKAGE_STRING = @PACKAGE_STRING@
PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
PACKAGE_VERSION = @PACKAGE_VERSION@
PATH_SEPARATOR = @PATH_SEPARATOR@
RANLIB = @RANLIB@
@@ -133,9 +165,9 @@ abs_builddir = @abs_builddir@
abs_srcdir = @abs_srcdir@
abs_top_builddir = @abs_top_builddir@
abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
ac_ct_CC = @ac_ct_CC@
-ac_ct_CXX = @ac_ct_CXX@
-ac_ct_F77 = @ac_ct_F77@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
am__include = @am__include@
am__leading_dot = @am__leading_dot@
am__quote = @am__quote@
@@ -149,6 +181,7 @@ build_cpu = @build_cpu@
build_os = @build_os@
build_vendor = @build_vendor@
builddir = @builddir@
+classlib = @classlib@
datadir = @datadir@
datarootdir = @datarootdir@
docdir = @docdir@
@@ -181,15 +214,18 @@ sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
sysconfdir = @sysconfdir@
target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
use_zip_no = @use_zip_no@
use_zip_yes = @use_zip_yes@
with_classpath_install_dir = @with_classpath_install_dir@
-EXTRA_DIST = callNativeOABI.S callNativeEABI.S
+EXTRA_DIST = callNativeOABI.S callNativeEABI.S callNativeEABIHard.S \
+ callNativeEABIHardARM.S
+
noinst_LTLIBRARIES = libnative.la
libnative_la_SOURCES = init.c dll_md.c callNative.S
-AM_CPPFLAGS = -I$(top_builddir)/src
+AM_CPPFLAGS = -I$(top_builddir)/src -I$(top_srcdir)/src
AM_CCASFLAGS = -I$(top_builddir)/src
all: all-am
@@ -199,14 +235,14 @@ $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__confi
@for dep in $?; do \
case '$(am__configure_deps)' in \
*$$dep*) \
- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
- && exit 0; \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
exit 1;; \
esac; \
done; \
- echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/os/linux/arm/Makefile'; \
- cd $(top_srcdir) && \
- $(AUTOMAKE) --gnu src/os/linux/arm/Makefile
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/os/linux/arm/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --gnu src/os/linux/arm/Makefile
.PRECIOUS: Makefile
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
@case '$?' in \
@@ -224,6 +260,7 @@ $(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
clean-noinstLTLIBRARIES:
-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
@@ -233,7 +270,7 @@ clean-noinstLTLIBRARIES:
echo "rm -f \"$${dir}/so_locations\""; \
rm -f "$${dir}/so_locations"; \
done
-libnative.la: $(libnative_la_OBJECTS) $(libnative_la_DEPENDENCIES)
+libnative.la: $(libnative_la_OBJECTS) $(libnative_la_DEPENDENCIES) $(EXTRA_libnative_la_DEPENDENCIES)
$(LINK) $(libnative_la_OBJECTS) $(libnative_la_LIBADD) $(LIBS)
mostlyclean-compile:
@@ -248,42 +285,42 @@ distclean-compile:
.S.o:
@am__fastdepCCAS_TRUE@ $(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCCAS_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCCAS_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCCAS_FALSE@ $(CPPASCOMPILE) -c -o $@ $<
.S.obj:
@am__fastdepCCAS_TRUE@ $(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCCAS_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCCAS_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCCAS_FALSE@ $(CPPASCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
.S.lo:
@am__fastdepCCAS_TRUE@ $(LTCPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCCAS_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@am__fastdepCCAS_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCCAS_FALSE@ $(LTCPPASCOMPILE) -c -o $@ $<
.c.o:
@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(COMPILE) -c $<
.c.obj:
@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(COMPILE) -c `$(CYGPATH_W) '$<'`
.c.lo:
@am__fastdepCC_TRUE@ $(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $<
@@ -299,45 +336,49 @@ ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
- $(AWK) ' { files[$$0] = 1; } \
- END { for (i in files) print i; }'`; \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
mkid -fID $$unique
tags: TAGS
TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
$(TAGS_FILES) $(LISP)
- tags=; \
+ set x; \
here=`pwd`; \
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
- $(AWK) ' { files[$$0] = 1; } \
- END { for (i in files) print i; }'`; \
- if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
test -n "$$unique" || unique=$$empty_fix; \
- $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
- $$tags $$unique; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
fi
ctags: CTAGS
CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
$(TAGS_FILES) $(LISP)
- tags=; \
- here=`pwd`; \
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
- $(AWK) ' { files[$$0] = 1; } \
- END { for (i in files) print i; }'`; \
- test -z "$(CTAGS_ARGS)$$tags$$unique" \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
|| $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
- $$tags $$unique
+ $$unique
GTAGS:
here=`$(am__cd) $(top_builddir) && pwd` \
- && cd $(top_srcdir) \
- && gtags -i $(GTAGS_ARGS) $$here
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
distclean-tags:
-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
@@ -358,13 +399,17 @@ distdir: $(DISTFILES)
if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
if test -d $$d/$$file; then \
dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
- cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
fi; \
- cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
else \
- test -f $(distdir)/$$file \
- || cp -p $$d/$$file $(distdir)/$$file \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
|| exit 1; \
fi; \
done
@@ -382,16 +427,22 @@ install-am: all-am
installcheck: installcheck-am
install-strip:
- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
- `test -z '$(STRIP)' || \
- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
mostlyclean-generic:
clean-generic:
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@@ -413,6 +464,8 @@ dvi-am:
html: html-am
+html-am:
+
info: info-am
info-am:
@@ -421,18 +474,28 @@ install-data-am:
install-dvi: install-dvi-am
+install-dvi-am:
+
install-exec-am:
install-html: install-html-am
+install-html-am:
+
install-info: install-info-am
+install-info-am:
+
install-man:
install-pdf: install-pdf-am
+install-pdf-am:
+
install-ps: install-ps-am
+install-ps-am:
+
installcheck-am:
maintainer-clean: maintainer-clean-am
@@ -470,6 +533,7 @@ uninstall-am:
mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
pdf pdf-am ps ps-am tags uninstall uninstall-am
+
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
diff --git a/src/os/linux/arm/callNative.S b/src/os/linux/arm/callNative.S
index 39ab6d3..245afd1 100644
--- a/src/os/linux/arm/callNative.S
+++ b/src/os/linux/arm/callNative.S
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2003, 2004, 2005, 2006, 2007
- * Robert Lougher <rob@lougher.org.uk>.
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2011, 2012
+ * Robert Lougher <rob@jamvm.org.uk>.
*
* This file is part of JamVM.
*
@@ -23,7 +23,15 @@
#ifndef USE_FFI
#ifdef __ARM_EABI__
+#ifdef __ARM_PCS_VFP
+#ifdef __ARM_ARCH_7A__
+#include "callNativeEABIHard.S"
+#else
+#include "callNativeEABIHardARM.S"
+#endif
+#else
#include "callNativeEABI.S"
+#endif
#else
#include "callNativeOABI.S"
#endif
diff --git a/src/os/linux/arm/callNativeEABI.S b/src/os/linux/arm/callNativeEABI.S
index 5effa57..3a7539e 100644
--- a/src/os/linux/arm/callNativeEABI.S
+++ b/src/os/linux/arm/callNativeEABI.S
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2003, 2004, 2005, 2006, 2007
- * Robert Lougher <rob@lougher.org.uk>.
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2011
+ * Robert Lougher <rob@jamvm.org.uk>.
*
* This file is part of JamVM.
*
@@ -95,8 +95,12 @@ done:
ldmfd sp!, {r2, r3}
/* Call the function */
+#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
mov lr, pc
bx ip
+#else
+ blx ip
+#endif
subs r4, r4, #8 /* Pop argument area */
/* (minus 8 for r2/r3) */
diff --git a/src/os/linux/arm/callNativeEABIHard.S b/src/os/linux/arm/callNativeEABIHard.S
new file mode 100644
index 0000000..5d5785b
--- /dev/null
+++ b/src/os/linux/arm/callNativeEABIHard.S
@@ -0,0 +1,315 @@
+/*
+ * Copyright (C) 2011, 2012 Robert Lougher <rob@jamvm.org.uk>.
+ *
+ * This file is part of JamVM.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+ .text
+ .syntax unified
+ .arch armv7-a
+ .thumb
+ .align 2
+ .global callJNIMethod
+ .type callJNIMethod,function
+
+/*
+ * Arguments passed in:
+ *
+ * r0 JNIEnv
+ * r1 class or NULL
+ * r2 sig
+ * r3 extra arg
+ * sp + 0 ostack
+ * sp + 4 function pntr
+ * sp + 8 args count
+ */
+
+/* Register usage :
+ *
+ * r11 function pntr
+ * lr ostack pntr
+ * ip args pntr
+ * r8 sig pntr
+ * r10 extra stack
+ * r6 fp backfill
+ * r4 fp reg
+ * r7 int reg
+ * r5 scratch
+ * r3, r2 outgoing int args
+ * r1 outgoing class or this pntr
+ * r0 outgoing JNIEnv (as passed in)
+ *
+ * s0 - s16 (d0 - d7) outgoing float args
+ */
+
+callJNIMethod:
+ stmfd sp!, {r4, r5, r6, r7, r8, r10, r11, lr}
+ ldr lr, [sp, #32] /* get ostack pntr */
+ ldr r11, [sp, #36] /* get function pntr */
+
+ cmp r1, #0 /* is method non-static? */
+ it eq
+ ldreq r1, [lr], #4 /* yes, load r1 with "this" */
+
+ mov r10, r3
+ subs sp, sp, r3 /* allocate room for stacked */
+ add r8, r2, #1 /* init sig pntr -- skipping '(' */
+
+ mov ip, sp /* init loop pntr */
+
+ mov r7, #2
+ mov r4, #16
+ mov r6, #0
+
+scan_sig:
+ ldrb r5, [r8], #1
+
+ cmp r5, #41 /* ')' */
+ beq done
+
+ cmp r5, #70 /* 'F' */
+ beq float
+
+ cmp r5, #68 /* 'D' */
+ beq double
+
+ cmp r5, #74 /* 'J' */
+ beq long
+
+skip_brackets:
+ cmp r5, #91 /* '[' */
+ itt eq
+ ldrbeq r5, [r8], #1
+ beq skip_brackets
+
+ cmp r5, #76 /* 'L' */
+ bne int
+
+skip_ref:
+ ldrb r5, [r8], #1
+ cmp r5, #59 /* ';' */
+ bne skip_ref
+
+int:
+ cbz r7, stack_int
+
+ subs r7, r7, #1
+ ite ne
+ ldrne r2, [lr], #4
+ ldreq r3, [lr], #4
+
+ b scan_sig
+
+float:
+ cbz r6, no_backfill
+
+ sub r5, r6, #1
+ mov r6, #0
+ b load_float
+
+no_backfill:
+ cbz r4, stack_int
+
+ sub r4, r4, #1
+ mov r5, r4
+
+load_float:
+ add lr, lr, #4
+ tbb [pc, r5]
+
+float_table:
+ .byte (s15-float_table)/2
+ .byte (s14-float_table)/2
+ .byte (s13-float_table)/2
+ .byte (s12-float_table)/2
+ .byte (s11-float_table)/2
+ .byte (s10-float_table)/2
+ .byte (s9-float_table)/2
+ .byte (s8-float_table)/2
+ .byte (s7-float_table)/2
+ .byte (s6-float_table)/2
+ .byte (s5-float_table)/2
+ .byte (s4-float_table)/2
+ .byte (s3-float_table)/2
+ .byte (s2-float_table)/2
+ .byte (s1-float_table)/2
+ .byte (s0-float_table)/2
+
+stack_int:
+ ldr r5, [lr], #4
+ str r5, [ip], #4
+ b scan_sig
+
+s0:
+ vldr s0, [lr, #-4]
+ b scan_sig
+s1:
+ vldr s1, [lr, #-4]
+ b scan_sig
+s2:
+ vldr s2, [lr, #-4]
+ b scan_sig
+s3:
+ vldr s3, [lr, #-4]
+ b scan_sig
+s4:
+ vldr s4, [lr, #-4]
+ b scan_sig
+s5:
+ vldr s5, [lr, #-4]
+ b scan_sig
+s6:
+ vldr s6, [lr, #-4]
+ b scan_sig
+s7:
+ vldr s7, [lr, #-4]
+ b scan_sig
+s8:
+ vldr s8, [lr, #-4]
+ b scan_sig
+s9:
+ vldr s9, [lr, #-4]
+ b scan_sig
+s10:
+ vldr s10, [lr, #-4]
+ b scan_sig
+s11:
+ vldr s11, [lr, #-4]
+ b scan_sig
+s12:
+ vldr s12, [lr, #-4]
+ b scan_sig
+s13:
+ vldr s13, [lr, #-4]
+ b scan_sig
+s14:
+ vldr s14, [lr, #-4]
+ b scan_sig
+s15:
+ vldr s15, [lr, #-4]
+ b scan_sig
+
+long:
+ cmp r7, #2
+ mov r7, #0
+ bne stack_long
+
+ ldmia lr!, {r2, r3}
+ b scan_sig
+
+double:
+ lsrs r5, r4, #1
+ it cs
+ movcs r6, r4
+
+ lsls r4, r5, #1
+ beq stack_double
+
+ sub r4, r4, #2
+ add lr, lr, #8
+ tbb [pc, r5]
+
+double_table:
+ .byte 0
+ .byte (d7-double_table)/2
+ .byte (d6-double_table)/2
+ .byte (d5-double_table)/2
+ .byte (d4-double_table)/2
+ .byte (d3-double_table)/2
+ .byte (d2-double_table)/2
+ .byte (d1-double_table)/2
+ .byte (d0-double_table)/2
+ .align 2
+d0:
+ vldr d0, [lr, #-8]
+ b scan_sig
+d1:
+ vldr d1, [lr, #-8]
+ b scan_sig
+d2:
+ vldr d2, [lr, #-8]
+ b scan_sig
+d3:
+ vldr d3, [lr, #-8]
+ b scan_sig
+d4:
+ vldr d4, [lr, #-8]
+ b scan_sig
+d5:
+ vldr d5, [lr, #-8]
+ b scan_sig
+d6:
+ vldr d6, [lr, #-8]
+ b scan_sig
+d7:
+ vldr d7, [lr, #-8]
+ b scan_sig
+
+stack_double:
+ mov r6, #0
+
+stack_long:
+ /* Ensure address is 8 byte aligned */
+ add ip, ip, #7
+ bic ip, ip, #7
+
+ ldr r5, [lr], #4
+ str r5, [ip], #4
+ ldr r5, [lr], #4
+ str r5, [ip], #4
+ b scan_sig
+
+done:
+ /* Call the function */
+ blx r11
+
+ add sp, sp, r10 /* Pop argument area */
+
+ ldr r4, [sp, #32] /* Reload ostack for */
+ /* address of return value */
+
+ ldrb r5, [r8] /* Return type */
+
+ cmp r5, #86 /* 'V' */
+ beq return
+
+ cmp r5, #68 /* 'D' */
+ beq return_double
+
+ cmp r5, #70 /* 'F' */
+ beq return_float
+
+ str r0, [r4], #4 /* Low word */
+
+ cmp r5, #74 /* 'J' */
+ it eq
+ streq r1, [r4], #4 /* High word */
+
+return:
+ mov r0, r4 /* return ostack */
+ ldmfd sp!, {r4, r5, r6, r7, r8, r10, r11, lr}
+ bx lr
+
+return_float:
+ vstr s0, [r4]
+ add r4, r4, #4
+ b return
+
+return_double:
+ vstr d0, [r4]
+ add r4, r4, #8
+ b return
diff --git a/src/os/linux/arm/callNativeEABIHardARM.S b/src/os/linux/arm/callNativeEABIHardARM.S
new file mode 100644
index 0000000..3a31acd
--- /dev/null
+++ b/src/os/linux/arm/callNativeEABIHardARM.S
@@ -0,0 +1,266 @@
+/*
+ * Copyright (C) 2011, 2012 Robert Lougher <rob@jamvm.org.uk>.
+ *
+ * This file is part of JamVM.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+ .text
+ .align 2
+ .global callJNIMethod
+ .type callJNIMethod,function
+
+/*
+ * Arguments passed in:
+ *
+ * r0 JNIEnv
+ * r1 class or NULL
+ * r2 sig
+ * r3 extra arg
+ * sp + 0 ostack
+ * sp + 4 function pntr
+ * sp + 8 args count
+ */
+
+/* Register usage :
+ *
+ * lr ostack pntr
+ * ip scratch
+ * r11 function pntr
+ * r10 fp backfill
+ * r8 fp reg
+ * r7 int reg
+ * r6 args pntr
+ * r5 sig pntr
+ * r4 extra stack
+ * r3, r2 outgoing int args
+ * r1 outgoing class or this pntr
+ * r0 outgoing JNIEnv (as passed in)
+ *
+ * s0 - s16 (d0 - d7) outgoing float args
+ */
+
+callJNIMethod:
+ stmfd sp!, {r4, r5, r6, r7, r8, r10, r11, lr}
+ ldr lr, [sp, #32] /* get ostack pntr */
+ ldr r11, [sp, #36] /* get function pntr */
+
+ cmp r1, #0 /* is method non-static? */
+ ldreq r1, [lr], #4 /* yes, load r1 with "this" */
+
+ mov r4, r3
+ sub sp, sp, r4 /* allocate room for stacked */
+ add r5, r2, #1 /* init sig pntr -- skipping '(' */
+
+ mov r6, sp /* init loop pntr */
+
+ mov r7, #2
+ mov r8, #16
+ mov r10, #0
+
+scan_sig:
+ ldrb ip, [r5], #1
+
+ cmp ip, #41 /* ')' */
+ beq done
+
+ cmp ip, #70 /* 'F' */
+ beq float
+
+ cmp ip, #68 /* 'D' */
+ beq double
+
+ cmp ip, #74 /* 'J' */
+ beq long
+
+skip_brackets:
+ cmp ip, #91 /* '[' */
+ ldreqb ip, [r5], #1
+ beq skip_brackets
+
+ cmp ip, #76 /* 'L' */
+ bne int
+
+skip_ref:
+ ldrb ip, [r5], #1
+ cmp ip, #59 /* ';' */
+ bne skip_ref
+
+int:
+ cmp r7, #0
+ beq stack_int
+
+ subs r7, r7, #1
+
+ ldrne r2, [lr], #4
+ ldreq r3, [lr], #4
+
+ b scan_sig
+
+stack_int:
+ ldr ip, [lr], #4
+ str ip, [r6], #4
+ b scan_sig
+
+float:
+ cmp r10, #0
+ beq no_backfill
+
+ sub ip, r10, #1
+ mov r10, #0
+ b load_float
+
+no_backfill:
+ cmp r8, #0
+ beq stack_int
+
+ sub r8, r8, #1
+ mov ip, r8
+
+load_float:
+ add lr, lr, #4
+ add pc, pc, ip, lsl #3
+ nop
+
+ flds s15, [lr, #-4]
+ b scan_sig
+ flds s14, [lr, #-4]
+ b scan_sig
+ flds s13, [lr, #-4]
+ b scan_sig
+ flds s12, [lr, #-4]
+ b scan_sig
+ flds s11, [lr, #-4]
+ b scan_sig
+ flds s10, [lr, #-4]
+ b scan_sig
+ flds s9, [lr, #-4]
+ b scan_sig
+ flds s8, [lr, #-4]
+ b scan_sig
+ flds s7, [lr, #-4]
+ b scan_sig
+ flds s6, [lr, #-4]
+ b scan_sig
+ flds s5, [lr, #-4]
+ b scan_sig
+ flds s4, [lr, #-4]
+ b scan_sig
+ flds s3, [lr, #-4]
+ b scan_sig
+ flds s2, [lr, #-4]
+ b scan_sig
+ flds s1, [lr, #-4]
+ b scan_sig
+ flds s0, [lr, #-4]
+ b scan_sig
+
+long:
+ cmp r7, #2
+ mov r7, #0
+ bne stack_long
+
+ ldr r2, [lr], #4
+ ldr r3, [lr], #4
+ b scan_sig
+
+double:
+ lsrs ip, r8, #1
+ movcs r10, r8
+
+ lsls r8, ip, #1
+ beq stack_double
+
+ sub r8, r8, #2
+ add lr, lr, #8
+ add pc, pc, ip, lsl #3
+ nop
+ nop
+ nop
+
+ fldd d7, [lr, #-8]
+ b scan_sig
+ fldd d6, [lr, #-8]
+ b scan_sig
+ fldd d5, [lr, #-8]
+ b scan_sig
+ fldd d4, [lr, #-8]
+ b scan_sig
+ fldd d3, [lr, #-8]
+ b scan_sig
+ fldd d2, [lr, #-8]
+ b scan_sig
+ fldd d1, [lr, #-8]
+ b scan_sig
+ fldd d0, [lr, #-8]
+ b scan_sig
+
+stack_double:
+ mov r10, #0
+
+stack_long:
+ /* Ensure address is 8 byte aligned */
+ add r6, r6, #7
+ bic r6, r6, #7
+
+ ldr ip, [lr], #4
+ str ip, [r6], #4
+ ldr ip, [lr], #4
+ str ip, [r6], #4
+ b scan_sig
+
+done:
+ /* Call the function */
+#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
+ mov lr, pc
+ bx r11
+#else
+ blx r11
+#endif
+
+ add sp, sp, r4 /* Pop argument area */
+ ldr r4, [sp, #32] /* Reload ostack for */
+ /* address of return value */
+ ldrb ip, [r5] /* Return type */
+
+ cmp ip, #86 /* 'V' */
+ beq return
+
+ cmp ip, #68 /* 'D' */
+ beq return_double
+
+ cmp ip, #70 /* 'F' */
+ beq return_float
+
+ str r0, [r4], #4 /* Low word */
+
+ cmp ip, #74 /* 'J' */
+ streq r1, [r4], #4 /* High word */
+
+return:
+ mov r0, r4 /* return ostack */
+ ldmfd sp!, {r4, r5, r6, r7, r8, r10, r11, lr}
+ bx lr
+
+return_float:
+ add r4, r4, #4
+ fsts s0, [r4, #-4]
+ b return
+
+return_double:
+ add r4, r4, #8
+ fstd d0, [r4, #-8]
+ b return
diff --git a/src/os/linux/arm/dll_md.c b/src/os/linux/arm/dll_md.c
index f5df90e..39bdf7c 100644
--- a/src/os/linux/arm/dll_md.c
+++ b/src/os/linux/arm/dll_md.c
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2003, 2004, 2005, 2006, 2007
- * Robert Lougher <rob@lougher.org.uk>.
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2011
+ * Robert Lougher <rob@jamvm.org.uk>.
*
* This file is part of JamVM.
*
@@ -31,6 +31,61 @@
* out stack requirements and then to push arguments. To
* save the first scan at call time, the signature is pre-
* scanned and stack requirement stored in the extra argument. */
+
+#ifdef __ARM_PCS_VFP
+int nativeExtraArg(MethodBlock *mb) {
+ char *sig = mb->type;
+ int fp_backfill = 0;
+ int stack_args = 0;
+ int int_args = 2;
+ int fp_args = 16;
+
+ while(*++sig != ')')
+ switch(*sig) {
+ case 'J':
+ if(int_args < 2)
+ stack_args = (stack_args + 15) & ~7;
+ int_args = 0;
+ break;
+
+ case 'D':
+ fp_backfill |= fp_args & 1;
+ fp_args &= ~1;
+
+ if(fp_args == 0) {
+ stack_args = (stack_args + 15) & ~7;
+ fp_backfill = 0;
+ } else
+ fp_args -= 2;
+ break;
+
+ case 'F':
+ if(fp_backfill)
+ fp_backfill = 0;
+ else {
+ if(fp_args == 0)
+ stack_args += 4;
+ else
+ fp_args--;
+ }
+ break;
+
+ default:
+ if(int_args == 0)
+ stack_args += 4;
+ else
+ int_args--;
+
+ if(*sig == '[')
+ while(*++sig == '[');
+ if(*sig == 'L')
+ while(*++sig != ';');
+ break;
+ }
+
+ return (stack_args + 7) & ~7;
+}
+#else
int nativeExtraArg(MethodBlock *mb) {
char *sig = mb->type;
int args = 0;
@@ -57,7 +112,7 @@ int nativeExtraArg(MethodBlock *mb) {
native method, so minimum stack requirement is 8 bytes. */
return args < 8 ? 8 : args;
}
-
+#endif
#else
/* Under OABI, arguments can be copied onto the stack "as is"
--
2.17.1
View Git Blame Copy Permalink