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newlib-cygwin
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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.
This commit is contained in:
Thomas Schwinge 2022-11-24 12:45:15 +01:00
parent f6e4e98d30
commit 5841b2f6a4
3 changed files with 26 additions and 24 deletions
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43
newlib/Makefile.in
View File

@ -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_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_NIOS2_TRUE@am__append_106 = libc/machine/nios2/setjmp.s
@HAVE_LIBC_MACHINE_NVPTX_TRUE@am__append_107 = \ @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/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/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_OR1K_TRUE@am__append_108 = libc/machine/or1k/setjmp.S
@HAVE_LIBC_MACHINE_POWERPC_TRUE@am__append_109 = libc/machine/powerpc/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@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_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_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.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-callocr.$(OBJEXT) \
@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-malloc.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-malloc.$(OBJEXT) \
@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-mallocr.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-mallocr.$(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-putchar.$(OBJEXT) \
@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-printf.$(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-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.$(OBJEXT) \ @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-misc.$(OBJEXT) \
@HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-clock.$(OBJEXT) @HAVE_LIBC_MACHINE_NVPTX_TRUE@ libc/machine/nvptx/libc_a-clock.$(OBJEXT)
@HAVE_LIBC_MACHINE_OR1K_TRUE@am__objects_118 = libc/machine/or1k/libc_a-setjmp.$(OBJEXT) @HAVE_LIBC_MACHINE_OR1K_TRUE@am__objects_118 = libc/machine/or1k/libc_a-setjmp.$(OBJEXT)
@ -8447,6 +8448,9 @@ libc/machine/nvptx/$(am__dirstamp):
libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp): libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp):
@$(MKDIR_P) libc/machine/nvptx/$(DEPDIR) @$(MKDIR_P) libc/machine/nvptx/$(DEPDIR)
@: > libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) @: > libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp)
libc/machine/nvptx/libc_a-_exit.$(OBJEXT): \
libc/machine/nvptx/$(am__dirstamp) \
libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp)
libc/machine/nvptx/libc_a-calloc.$(OBJEXT): \ libc/machine/nvptx/libc_a-calloc.$(OBJEXT): \
libc/machine/nvptx/$(am__dirstamp) \ libc/machine/nvptx/$(am__dirstamp) \
libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp)
@ -8486,9 +8490,6 @@ libc/machine/nvptx/libc_a-printf.$(OBJEXT): \
libc/machine/nvptx/libc_a-abort.$(OBJEXT): \ libc/machine/nvptx/libc_a-abort.$(OBJEXT): \
libc/machine/nvptx/$(am__dirstamp) \ libc/machine/nvptx/$(am__dirstamp) \
libc/machine/nvptx/$(DEPDIR)/$(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.$(OBJEXT): \ libc/machine/nvptx/libc_a-misc.$(OBJEXT): \
libc/machine/nvptx/$(am__dirstamp) \ libc/machine/nvptx/$(am__dirstamp) \
libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp) libc/machine/nvptx/$(DEPDIR)/$(am__dirstamp)
@ -12016,12 +12017,12 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nds32/$(DEPDIR)/libc_a-strcpy.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nds32/$(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-fastmath.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/necv70/$(DEPDIR)/libc_a-setjmp.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/necv70/$(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/$(DEPDIR)/libc_a-abort.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-assert.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-assert.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-calloc.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-calloc.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-callocr.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-callocr.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-clock.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-clock.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(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-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-malloc.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(DEPDIR)/libc_a-mallocr.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@libc/machine/nvptx/$(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) $(depcomp) @AMDEPBACKSLASH@ @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(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` @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@
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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 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@ $(AM_V_CC)$(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 @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) $(depcomp) @AMDEPBACKSLASH@ @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(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-abort.obj `if test -f 'libc/machine/nvptx/abort.c'; then $(CYGPATH_W) 'libc/machine/nvptx/abort.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nvptx/abort.c'; fi` @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-abort.obj `if test -f 'libc/machine/nvptx/abort.c'; then $(CYGPATH_W) 'libc/machine/nvptx/abort.c'; else $(CYGPATH_W) '$(srcdir)/libc/machine/nvptx/abort.c'; fi`
libc/machine/nvptx/libc_a-exit.o: libc/machine/nvptx/exit.c
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libc/machine/nvptx/libc_a-misc.o: libc/machine/nvptx/misc.c libc/machine/nvptx/libc_a-misc.o: libc/machine/nvptx/misc.c
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3
newlib/libc/machine/nvptx/Makefile.inc
View File

@ -1,4 +1,5 @@
libc_a_SOURCES += \ 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%/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%/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

4
newlib/libc/machine/nvptx/exit.c → newlib/libc/machine/nvptx/_exit.c
View File

@ -13,7 +13,7 @@
* they apply. * they apply.
*/ */
#include <stdlib.h> #include <unistd.h>
/* Sadly, PTX doesn't support weak declarations, only weak /* Sadly, PTX doesn't support weak declarations, only weak
definitions. Weakly define it here in case we're not using crt0 definitions. Weakly define it here in case we're not using crt0
@ -23,7 +23,7 @@
int *__attribute((weak)) __exitval_ptr; int *__attribute((weak)) __exitval_ptr;
void __attribute__((noreturn)) void __attribute__((noreturn))
exit (int status) _exit (int status)
{ {
if (__exitval_ptr) if (__exitval_ptr)
*__exitval_ptr = status; *__exitval_ptr = status;