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* [newlib-cygwin/main] GCN: Implement '_exit' instead of 'exit'
@ 2023-12-23 9:31 Thomas Schwinge
0 siblings, 0 replies; only message in thread
From: Thomas Schwinge @ 2023-12-23 9:31 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=1a177610d8e181d09206a5a8ce2d873822751657
commit 1a177610d8e181d09206a5a8ce2d873822751657
Author: Thomas Schwinge <thomas@codesourcery.com>
Date: Mon Nov 6 16:48:20 2023 +0100
GCN: Implement '_exit' instead of 'exit'
... so that all of 'exit', '_exit', '_Exit' work. 'exit' thus becomes the
standard 'newlib/libc/stdlib/exit.c'. (Getting 'atexit' functional needs
further work elsewhere.)
See also commit 5841b2f6a4208682264d03e3edfa0a09881932a6
"nvptx: Implement '_exit' instead of 'exit'".
Diff:
---
newlib/Makefile.in | 40 +++++++++++++-------------
newlib/libc/machine/amdgcn/Makefile.inc | 2 +-
newlib/libc/machine/amdgcn/{exit.c => _exit.c} | 4 +--
newlib/libc/machine/amdgcn/atexit.c | 3 +-
4 files changed, 24 insertions(+), 25 deletions(-)
diff --git a/newlib/Makefile.in b/newlib/Makefile.in
index 99a29465a..9a32646ab 100644
--- a/newlib/Makefile.in
+++ b/newlib/Makefile.in
@@ -630,8 +630,8 @@ check_PROGRAMS =
@HAVE_LIBC_MACHINE_AARCH64_TRUE@ libc/machine/aarch64/strrchr.S
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@am__append_67 = \
+@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/_exit.c \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/abort.c \
-@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/exit.c \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/atexit.c \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/mlock.c \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/getreent.c \
@@ -1892,8 +1892,8 @@ am__objects_51 = libc/ssp/libc_a-chk_fail.$(OBJEXT) \
@HAVE_LIBC_MACHINE_AARCH64_TRUE@ libc/machine/aarch64/libc_a-strnlen.$(OBJEXT) \
@HAVE_LIBC_MACHINE_AARCH64_TRUE@ libc/machine/aarch64/libc_a-strrchr-stub.$(OBJEXT) \
@HAVE_LIBC_MACHINE_AARCH64_TRUE@ libc/machine/aarch64/libc_a-strrchr.$(OBJEXT)
-@HAVE_LIBC_MACHINE_AMDGCN_TRUE@am__objects_78 = libc/machine/amdgcn/libc_a-abort.$(OBJEXT) \
-@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/libc_a-exit.$(OBJEXT) \
+@HAVE_LIBC_MACHINE_AMDGCN_TRUE@am__objects_78 = libc/machine/amdgcn/libc_a-_exit.$(OBJEXT) \
+@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/libc_a-abort.$(OBJEXT) \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/libc_a-atexit.$(OBJEXT) \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/libc_a-mlock.$(OBJEXT) \
@HAVE_LIBC_MACHINE_AMDGCN_TRUE@ libc/machine/amdgcn/libc_a-getreent.$(OBJEXT) \
@@ -8161,10 +8161,10 @@ libc/machine/amdgcn/$(am__dirstamp):
libc/machine/amdgcn/$(DEPDIR)/$(am__dirstamp):
@$(MKDIR_P) libc/machine/amdgcn/$(DEPDIR)
@: > libc/machine/amdgcn/$(DEPDIR)/$(am__dirstamp)
-libc/machine/amdgcn/libc_a-abort.$(OBJEXT): \
+libc/machine/amdgcn/libc_a-_exit.$(OBJEXT): \
libc/machine/amdgcn/$(am__dirstamp) \
libc/machine/amdgcn/$(DEPDIR)/$(am__dirstamp)
-libc/machine/amdgcn/libc_a-exit.$(OBJEXT): \
+libc/machine/amdgcn/libc_a-abort.$(OBJEXT): \
libc/machine/amdgcn/$(am__dirstamp) \
libc/machine/amdgcn/$(DEPDIR)/$(am__dirstamp)
libc/machine/amdgcn/libc_a-atexit.$(OBJEXT): \
@@ -12816,9 +12816,9 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/aarch64/$(DEPDIR)/libc_a-strnlen.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/aarch64/$(DEPDIR)/libc_a-strrchr-stub.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/aarch64/$(DEPDIR)/libc_a-strrchr.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-abort.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-atexit.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-getreent.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-mlock.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/amdgcn/$(DEPDIR)/libc_a-signal.Po@am__quote@
@@ -33347,6 +33347,20 @@ libc/machine/aarch64/libc_a-strrchr-stub.obj: libc/machine/aarch64/strrchr-stub.
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(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/aarch64/libc_a-strrchr-stub.obj `if test -f 'libc/machine/aarch64/strrchr-stub.c'; then $(CYGPATH_W) 'libc/machine/aarch64/strrchr-stub.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/aarch64/strrchr-stub.c'; fi`
+libc/machine/amdgcn/libc_a-_exit.o: libc/machine/amdgcn/_exit.c
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/amdgcn/libc_a-_exit.o -MD -MP -MF libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Tpo -c -o libc/machine/amdgcn/libc_a-_exit.o `test -f 'libc/machine/amdgcn/_exit.c' || echo '$(srcdir)/'`libc/machine/amdgcn/_exit.c
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Tpo libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/amdgcn/_exit.c' object='libc/machine/amdgcn/libc_a-_exit.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/amdgcn/libc_a-_exit.o `test -f 'libc/machine/amdgcn/_exit.c' || echo '$(srcdir)/'`libc/machine/amdgcn/_exit.c
+
+libc/machine/amdgcn/libc_a-_exit.obj: libc/machine/amdgcn/_exit.c
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/amdgcn/libc_a-_exit.obj -MD -MP -MF libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Tpo -c -o libc/machine/amdgcn/libc_a-_exit.obj `if test -f 'libc/machine/amdgcn/_exit.c'; then $(CYGPATH_W) 'libc/machine/amdgcn/_exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/amdgcn/_exit.c'; fi`
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Tpo libc/machine/amdgcn/$(DEPDIR)/libc_a-_exit.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/amdgcn/_exit.c' object='libc/machine/amdgcn/libc_a-_exit.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(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/amdgcn/libc_a-_exit.obj `if test -f 'libc/machine/amdgcn/_exit.c'; then $(CYGPATH_W) 'libc/machine/amdgcn/_exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/amdgcn/_exit.c'; fi`
+
libc/machine/amdgcn/libc_a-abort.o: libc/machine/amdgcn/abort.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/amdgcn/libc_a-abort.o -MD -MP -MF libc/machine/amdgcn/$(DEPDIR)/libc_a-abort.Tpo -c -o libc/machine/amdgcn/libc_a-abort.o `test -f 'libc/machine/amdgcn/abort.c' || echo '$(srcdir)/'`libc/machine/amdgcn/abort.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/amdgcn/$(DEPDIR)/libc_a-abort.Tpo libc/machine/amdgcn/$(DEPDIR)/libc_a-abort.Po
@@ -33361,20 +33375,6 @@ libc/machine/amdgcn/libc_a-abort.obj: libc/machine/amdgcn/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/amdgcn/libc_a-abort.obj `if test -f 'libc/machine/amdgcn/abort.c'; then $(CYGPATH_W) 'libc/machine/amdgcn/abort.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/amdgcn/abort.c'; fi`
-libc/machine/amdgcn/libc_a-exit.o: libc/machine/amdgcn/exit.c
-@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/amdgcn/libc_a-exit.o -MD -MP -MF libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Tpo -c -o libc/machine/amdgcn/libc_a-exit.o `test -f 'libc/machine/amdgcn/exit.c' || echo '$(srcdir)/'`libc/machine/amdgcn/exit.c
-@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Tpo libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/amdgcn/exit.c' object='libc/machine/amdgcn/libc_a-exit.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/machine/amdgcn/libc_a-exit.o `test -f 'libc/machine/amdgcn/exit.c' || echo '$(srcdir)/'`libc/machine/amdgcn/exit.c
-
-libc/machine/amdgcn/libc_a-exit.obj: libc/machine/amdgcn/exit.c
-@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/amdgcn/libc_a-exit.obj -MD -MP -MF libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Tpo -c -o libc/machine/amdgcn/libc_a-exit.obj `if test -f 'libc/machine/amdgcn/exit.c'; then $(CYGPATH_W) 'libc/machine/amdgcn/exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/amdgcn/exit.c'; fi`
-@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Tpo libc/machine/amdgcn/$(DEPDIR)/libc_a-exit.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='libc/machine/amdgcn/exit.c' object='libc/machine/amdgcn/libc_a-exit.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(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/amdgcn/libc_a-exit.obj `if test -f 'libc/machine/amdgcn/exit.c'; then $(CYGPATH_W) 'libc/machine/amdgcn/exit.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/amdgcn/exit.c'; fi`
-
libc/machine/amdgcn/libc_a-atexit.o: libc/machine/amdgcn/atexit.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/machine/amdgcn/libc_a-atexit.o -MD -MP -MF libc/machine/amdgcn/$(DEPDIR)/libc_a-atexit.Tpo -c -o libc/machine/amdgcn/libc_a-atexit.o `test -f 'libc/machine/amdgcn/atexit.c' || echo '$(srcdir)/'`libc/machine/amdgcn/atexit.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) libc/machine/amdgcn/$(DEPDIR)/libc_a-atexit.Tpo libc/machine/amdgcn/$(DEPDIR)/libc_a-atexit.Po
diff --git a/newlib/libc/machine/amdgcn/Makefile.inc b/newlib/libc/machine/amdgcn/Makefile.inc
index d26603aa8..e1fc5ae4d 100644
--- a/newlib/libc/machine/amdgcn/Makefile.inc
+++ b/newlib/libc/machine/amdgcn/Makefile.inc
@@ -1,6 +1,6 @@
libc_a_SOURCES += \
+ %D%/_exit.c \
%D%/abort.c \
- %D%/exit.c \
%D%/atexit.c \
%D%/mlock.c \
%D%/getreent.c \
diff --git a/newlib/libc/machine/amdgcn/exit.c b/newlib/libc/machine/amdgcn/_exit.c
similarity index 95%
rename from newlib/libc/machine/amdgcn/exit.c
rename to newlib/libc/machine/amdgcn/_exit.c
index bdd532edd..82171aff9 100644
--- a/newlib/libc/machine/amdgcn/exit.c
+++ b/newlib/libc/machine/amdgcn/_exit.c
@@ -13,11 +13,11 @@
* they apply.
*/
-#include <stdlib.h>
+#include <unistd.h>
#include "exit-value.h"
void __attribute__((noreturn))
-exit (int val)
+_exit (int val)
{
exit_with_status_and_signal (val, 0);
}
diff --git a/newlib/libc/machine/amdgcn/atexit.c b/newlib/libc/machine/amdgcn/atexit.c
index 674571435..8ddd92cfa 100644
--- a/newlib/libc/machine/amdgcn/atexit.c
+++ b/newlib/libc/machine/amdgcn/atexit.c
@@ -18,8 +18,7 @@
int
atexit (void (*function)(void))
{
- /* Our current implementation of exit does not run functions registered with
- atexit, so fail here. */
+ /* Fail here. */
abort ();
return 1;
}
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