diff options
Diffstat (limited to 'newlib')
-rw-r--r-- | newlib/configure.host | 2 | ||||
-rw-r--r-- | newlib/libc/stdlib/_mallocr.c | 2 | ||||
-rw-r--r-- | newlib/libc/sys/arm/Makefile.inc | 2 | ||||
-rw-r--r-- | newlib/libc/sys/arm/sysconf.c | 34 |
4 files changed, 39 insertions, 1 deletions
diff --git a/newlib/configure.host b/newlib/configure.host index 98ce07d82..32d1436ba 100644 --- a/newlib/configure.host +++ b/newlib/configure.host @@ -628,6 +628,7 @@ newlib_cflags="${newlib_cflags} -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DEXIT_PROVID ;; arm*-*-pe) syscall_dir=syscalls + newlib_cflags="${newlib_cflags} -DHAVE_SYSCONF_PAGESIZE" ;; arm*-*-*) syscall_dir=syscalls @@ -642,6 +643,7 @@ newlib_cflags="${newlib_cflags} -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DEXIT_PROVID # newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR" newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR" fi + newlib_cflags="${newlib_cflags} -DHAVE_SYSCONF_PAGESIZE" ;; avr*) newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES" diff --git a/newlib/libc/stdlib/_mallocr.c b/newlib/libc/stdlib/_mallocr.c index 4b53997a3..1997b6db1 100644 --- a/newlib/libc/stdlib/_mallocr.c +++ b/newlib/libc/stdlib/_mallocr.c @@ -320,12 +320,14 @@ extern "C" { #endif #ifndef _WIN32 +#ifndef HAVE_SYSCONF_PAGESIZE #ifdef SMALL_MEMORY #define malloc_getpagesize (128) #else #define malloc_getpagesize (4096) #endif #endif +#endif #if __STD_C extern void __malloc_lock(struct _reent *); diff --git a/newlib/libc/sys/arm/Makefile.inc b/newlib/libc/sys/arm/Makefile.inc index 490a9630d..012295659 100644 --- a/newlib/libc/sys/arm/Makefile.inc +++ b/newlib/libc/sys/arm/Makefile.inc @@ -1,6 +1,6 @@ AM_CPPFLAGS_%C% = -I$(srcdir)/libc/machine/arm -libc_a_SOURCES += %D%/access.c %D%/aeabi_atexit.c +libc_a_SOURCES += %D%/access.c %D%/aeabi_atexit.c %D%/sysconf.c if MAY_SUPPLY_SYSCALLS libc_a_SOURCES += %D%/libcfunc.c %D%/trap.S %D%/syscalls.c endif diff --git a/newlib/libc/sys/arm/sysconf.c b/newlib/libc/sys/arm/sysconf.c new file mode 100644 index 000000000..0fbbe31dc --- /dev/null +++ b/newlib/libc/sys/arm/sysconf.c @@ -0,0 +1,34 @@ +/* libc/sys/arm/sysconf.c - The sysconf function */ + +/* Copyright 2020, STMicroelectronics + * + * All rights reserved. + * + * Redistribution, modification, and use in source and binary forms is permitted + * provided that the above copyright notice and following paragraph are + * duplicated in all such forms. + * + * This file is distributed WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + */ + +#include <unistd.h> +#include <errno.h> + +long sysconf(int name) +{ + switch (name) + { + case _SC_PAGESIZE: +#ifdef SMALL_MEMORY + return 128; +#else + return 4096; +#endif + + default: + errno = EINVAL; + return -1; + } + return -1; /* Can't get here */ +} |