From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa1.mentor.iphmx.com (esa1.mentor.iphmx.com [68.232.129.153]) by sourceware.org (Postfix) with ESMTPS id 3A8D23858D32 for ; Thu, 1 Dec 2022 21:13:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3A8D23858D32 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=codesourcery.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mentor.com X-IronPort-AV: E=Sophos;i="5.96,210,1665475200"; d="scan'208,223";a="91428764" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa1.mentor.iphmx.com with ESMTP; 01 Dec 2022 13:13:50 -0800 IronPort-SDR: HYb9RBqcXpsqXgDFyHWFYfTk1+saHTYJFCUXpqqQ+PLt2UhIjzEXZq6DeLZut44+9I9S8p5bIz HaokYXwQynoTDtC7Yd+dZQobFcKkeWjL2esVj4yGEunInj2wRCIOUlQ6wj0mdwLFiDJ8dbHJR8 fNTrr/hcsMccCAWsEBJ5elwKfaRzLd7IbiE4Aa398EKPRpjafWpqRyUfhdUaXE6kZk4SAGaaQs UZj/NUPs0d/6YG9gUUGnqdrHKwU3/KkPC9VQY8iPxAMLJcyouknntoCDk6gRlCy5VKaFdoZsfP c6A= From: Thomas Schwinge To: CC: Tom de Vries Subject: nvptx: Implement '_exit' instead of 'exit' User-Agent: Notmuch/0.29.1+93~g67ed7df (https://notmuchmail.org) Emacs/26.3 (x86_64-pc-linux-gnu) Date: Thu, 1 Dec 2022 22:13:38 +0100 Message-ID: <878rjqaku5.fsf@dem-tschwing-1.ger.mentorg.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Originating-IP: [137.202.0.90] X-ClientProxiedBy: svr-ies-mbx-12.mgc.mentorg.com (139.181.222.12) To svr-ies-mbx-10.mgc.mentorg.com (139.181.222.10) X-Spam-Status: No, score=-11.9 required=5.0 tests=BAYES_00,GIT_PATCH_0,HEADER_FROM_DIFFERENT_DOMAINS,KAM_DMARC_STATUS,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --=-=-= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi! I'm working on support for global constructors/destructors with GCC/nvptx, and to invoke the latter, we need 'atexit' to work -- as is achieved by the attached "nvptx: Implement '_exit' instead of 'exit'"; any comments before I push that one? Gr=C3=BC=C3=9Fe Thomas ----------------- Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstra=C3=9Fe 201= , 80634 M=C3=BCnchen; Gesellschaft mit beschr=C3=A4nkter Haftung; Gesch=C3= =A4ftsf=C3=BChrer: Thomas Heurung, Frank Th=C3=BCrauf; Sitz der Gesellschaf= t: M=C3=BCnchen; Registergericht M=C3=BCnchen, HRB 106955 --=-=-= Content-Type: text/x-diff Content-Disposition: inline; filename="0001-nvptx-Implement-_exit-instead-of-exit.patch" >From 57f69c9a2a350ff8d1c1bc1edb4888c39fd131f4 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Thu, 24 Nov 2022 12:45:15 +0100 Subject: [PATCH] nvptx: Implement '_exit' instead of 'exit' ... so that all of 'exit', '_exit', '_Exit' work. 'exit' thus becomes the standard 'newlib/libc/stdlib/exit.c' -- and functions registered via 'atexit' are now called at return from 'main' or manual 'exit' invocation. --- newlib/Makefile.in | 43 ++++++++++--------- newlib/libc/machine/nvptx/Makefile.inc | 3 +- newlib/libc/machine/nvptx/{exit.c => _exit.c} | 4 +- 3 files changed, 26 insertions(+), 24 deletions(-) rename newlib/libc/machine/nvptx/{exit.c => _exit.c} (96%) diff --git a/newlib/Makefile.in b/newlib/Makefile.in index cb7b69327..2d8bfaded 100644 --- a/newlib/Makefile.in +++ b/newlib/Makefile.in @@ -761,9 +761,10 @@ check_PROGRAMS = @HAVE_LIBC_MACHINE_NECV70_TRUE@am__append_105 = libc/machine/necv70/fastmath.S libc/machine/necv70/setjmp.S @HAVE_LIBC_MACHINE_NIOS2_TRUE@am__append_106 = libc/machine/nios2/setjmp.s @HAVE_LIBC_MACHINE_NVPTX_TRUE@am__append_107 = \ +@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/_exit.c \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/calloc.c libc/machine/nvptx/callocr.c libc/machine/nvptx/malloc.c libc/machine/nvptx/mallocr.c libc/machine/nvptx/realloc.c libc/machine/nvptx/reallocr.c \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/free.c libc/machine/nvptx/write.c libc/machine/nvptx/assert.c libc/machine/nvptx/puts.c libc/machine/nvptx/putchar.c libc/machine/nvptx/printf.c libc/machine/nvptx/abort.c \ -@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/exit.c libc/machine/nvptx/misc.c libc/machine/nvptx/clock.c +@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/misc.c libc/machine/nvptx/clock.c @HAVE_LIBC_MACHINE_OR1K_TRUE@am__append_108 = libc/machine/or1k/setjmp.S @HAVE_LIBC_MACHINE_POWERPC_TRUE@am__append_109 = libc/machine/powerpc/setjmp.S @@ -2024,7 +2025,8 @@ am__objects_51 = libc/ssp/libc_a-chk_fail.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NECV70_TRUE@am__objects_115 = libc/machine/necv70/libc_a-fastmath.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NECV70_TRUE@ libc/machine/necv70/libc_a-setjmp.$(OBJEXT) @HAVE_LIBC_MACHINE_NIOS2_TRUE@am__objects_116 = libc/machine/nios2/libc_a-setjmp.$(OBJEXT) -@HAVE_LIBC_MACHINE_NVPTX_TRUE@am__objects_117 = libc/machine/nvptx/libc_a-calloc.$(OBJEXT) \ +@HAVE_LIBC_MACHINE_NVPTX_TRUE@am__objects_117 = libc/machine/nvptx/libc_a-_exit.$(OBJEXT) \ +@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-calloc.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-callocr.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-malloc.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-mallocr.$(OBJEXT) \ @@ -2037,7 +2039,6 @@ am__objects_51 = libc/ssp/libc_a-chk_fail.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-putchar.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-printf.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-abort.$(OBJEXT) \ -@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-exit.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-misc.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-clock.$(OBJEXT) @HAVE_LIBC_MACHINE_OR1K_TRUE@am__objects_118 = libc/machine/or1k/libc_a-setjmp.$(OBJEXT) @@ -8447,6 +8448,9 @@ libc/machine/nvptx/$(am__dirstamp): libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp): @$(MKDIR_P) libc/machine/nvptx/$(DEPDIR) @: > libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) +libc/machine/nvptx/libc_a-_exit.$(OBJEXT): \ + libc/machine/nvptx/$(am__dirstamp) \ + libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) libc/machine/nvptx/libc_a-calloc.$(OBJEXT): \ libc/machine/nvptx/$(am__dirstamp) \ libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) @@ -8486,9 +8490,6 @@ libc/machine/nvptx/libc_a-printf.$(OBJEXT): \ libc/machine/nvptx/libc_a-abort.$(OBJEXT): \ libc/machine/nvptx/$(am__dirstamp) \ libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) -libc/machine/nvptx/libc_a-exit.$(OBJEXT): \ - libc/machine/nvptx/$(am__dirstamp) \ - libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) libc/machine/nvptx/libc_a-misc.$(OBJEXT): \ libc/machine/nvptx/$(am__dirstamp) \ libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) @@ -12016,12 +12017,12 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nds32/$(DEPDIR)/libc_a-strcpy.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/necv70/$(DEPDIR)/libc_a-fastmath.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/necv70/$(DEPDIR)/libc_a-setjmp.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-abort.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-assert.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-calloc.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-callocr.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-clock.Po@am__quote@ -@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-exit.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-free.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-malloc.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-mallocr.Po@am__quote@ @@ -32486,6 +32487,20 @@ libc/machine/nds32/libc_a-abort.obj: libc/machine/nds32/abort.c @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ @am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/nds32/libc_a-abort.obj `if test -f 'libc/machine/nds32/abort.c'; then $(CYGPATH_W) 'libc/machine/nds32/abort.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nds32/abort.c'; fi` +libc/machine/nvptx/libc_a-_exit.o: libc/machine/nvptx/_exit.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/nvptx/libc_a-_exit.o -MD -MP -MF libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Tpo -c -o libc/machine/nvptx/libc_a-_exit.o `test -f 'libc/machine/nvptx/_exit.c' || echo '$(srcdir)/'`libc/machine/nvptx/_exit.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Tpo libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/nvptx/_exit.c' object='libc/machine/nvptx/libc_a-_exit.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/nvptx/libc_a-_exit.o `test -f 'libc/machine/nvptx/_exit.c' || echo '$(srcdir)/'`libc/machine/nvptx/_exit.c + +libc/machine/nvptx/libc_a-_exit.obj: libc/machine/nvptx/_exit.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/nvptx/libc_a-_exit.obj -MD -MP -MF libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Tpo -c -o libc/machine/nvptx/libc_a-_exit.obj `if test -f 'libc/machine/nvptx/_exit.c'; then $(CYGPATH_W) 'libc/machine/nvptx/_exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nvptx/_exit.c'; fi` +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Tpo libc/machine/nvptx/$(DEPDIR)/libc_a-_exit.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/nvptx/_exit.c' object='libc/machine/nvptx/libc_a-_exit.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/nvptx/libc_a-_exit.obj `if test -f 'libc/machine/nvptx/_exit.c'; then $(CYGPATH_W) 'libc/machine/nvptx/_exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nvptx/_exit.c'; fi` + libc/machine/nvptx/libc_a-calloc.o: libc/machine/nvptx/calloc.c @am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/nvptx/libc_a-calloc.o -MD -MP -MF libc/machine/nvptx/$(DEPDIR)/libc_a-calloc.Tpo -c -o libc/machine/nvptx/libc_a-calloc.o `test -f 'libc/machine/nvptx/calloc.c' || echo '$(srcdir)/'`libc/machine/nvptx/calloc.c @am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/nvptx/$(DEPDIR)/libc_a-calloc.Tpo libc/machine/nvptx/$(DEPDIR)/libc_a-calloc.Po @@ -32668,20 +32683,6 @@ libc/machine/nvptx/libc_a-abort.obj: libc/machine/nvptx/abort.c @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ @am__fastdepCC_FALSE@ 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@AMDEPBACKSLASH@ -@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ -@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/nvptx/libc_a-exit.o `test -f 'libc/machine/nvptx/exit.c' || echo '$(srcdir)/'`libc/machine/nvptx/exit.c - -libc/machine/nvptx/libc_a-exit.obj: libc/machine/nvptx/exit.c -@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/nvptx/libc_a-exit.obj -MD -MP -MF libc/machine/nvptx/$(DEPDIR)/libc_a-exit.Tpo -c -o libc/machine/nvptx/libc_a-exit.obj `if test -f 'libc/machine/nvptx/exit.c'; then $(CYGPATH_W) 'libc/machine/nvptx/exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nvptx/exit.c'; fi` -@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/nvptx/$(DEPDIR)/libc_a-exit.Tpo libc/machine/nvptx/$(DEPDIR)/libc_a-exit.Po -@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/nvptx/exit.c' object='libc/machine/nvptx/libc_a-exit.obj' libtool=no @AMDEPBACKSLASH@ -@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ -@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/nvptx/libc_a-exit.obj `if test -f 'libc/machine/nvptx/exit.c'; then $(CYGPATH_W) 'libc/machine/nvptx/exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nvptx/exit.c'; fi` - libc/machine/nvptx/libc_a-misc.o: libc/machine/nvptx/misc.c @am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/nvptx/libc_a-misc.o -MD -MP -MF libc/machine/nvptx/$(DEPDIR)/libc_a-misc.Tpo -c -o libc/machine/nvptx/libc_a-misc.o `test -f 'libc/machine/nvptx/misc.c' || echo '$(srcdir)/'`libc/machine/nvptx/misc.c @am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/nvptx/$(DEPDIR)/libc_a-misc.Tpo libc/machine/nvptx/$(DEPDIR)/libc_a-misc.Po diff --git a/newlib/libc/machine/nvptx/Makefile.inc b/newlib/libc/machine/nvptx/Makefile.inc index c4c3a5cb3..9dc50dc34 100644 --- a/newlib/libc/machine/nvptx/Makefile.inc +++ b/newlib/libc/machine/nvptx/Makefile.inc @@ -1,4 +1,5 @@ libc_a_SOURCES += \ + %D%/_exit.c \ %D%/calloc.c %D%/callocr.c %D%/malloc.c %D%/mallocr.c %D%/realloc.c %D%/reallocr.c \ %D%/free.c %D%/write.c %D%/assert.c %D%/puts.c %D%/putchar.c %D%/printf.c %D%/abort.c \ - %D%/exit.c %D%/misc.c %D%/clock.c + %D%/misc.c %D%/clock.c diff --git a/newlib/libc/machine/nvptx/exit.c b/newlib/libc/machine/nvptx/_exit.c similarity index 96% rename from newlib/libc/machine/nvptx/exit.c rename to newlib/libc/machine/nvptx/_exit.c index de82bf384..ae434c930 100644 --- a/newlib/libc/machine/nvptx/exit.c +++ b/newlib/libc/machine/nvptx/_exit.c @@ -13,7 +13,7 @@ * they apply. */ -#include +#include /* Sadly, PTX doesn't support weak declarations, only weak definitions. Weakly define it here in case we're not using crt0 @@ -23,7 +23,7 @@ int *__attribute((weak)) __exitval_ptr; void __attribute__((noreturn)) -exit (int status) +_exit (int status) { if (__exitval_ptr) *__exitval_ptr = status; -- 2.25.1 --=-=-=--