[mlibc] support mlibc for rt-smart

Author: 0Bitbiscuits

components/lwp/lwp.c

@@ -576,6 +576,8 @@ pid_t lwp_execve(char *filename, int debug, int argc, char **argv, char **envp)
 
 #ifdef RT_USING_MUSLLIBC
 extern char **__environ;
+#elif defined(RT_USING_MLIBC)
+extern char **__environ;
 #else
 char **__environ = 0;
 #endif

components/lwp/lwp.h

@@ -84,6 +84,12 @@ struct lwp_tty;
 #define LWP_CREATE_STAT_SIGNALED(signo, coredump) (((signo) & 0x7f) | (coredump ? LWP_COREDUMP_FLAG : 0))
 #define LWP_CREATE_STAT_STOPPED(signo)            (LWP_CREATE_STAT_EXIT(signo) | 0x7f)
 #define LWP_CREATE_STAT_CONTINUED                 (0xffff)
+#elif defined(RT_USING_MLIBC)
+#define LWP_COREDUMP_FLAG                         0x80
+#define LWP_CREATE_STAT_EXIT(exit_code)           (((exit_code)&0xff) << 8)
+#define LWP_CREATE_STAT_SIGNALED(signo, coredump) (((signo) & 0x7f) | (coredump ? LWP_COREDUMP_FLAG : 0))
+#define LWP_CREATE_STAT_STOPPED(signo)            (LWP_CREATE_STAT_EXIT(signo) | 0x7f)
+#define LWP_CREATE_STAT_CONTINUED                 (0xffff)
 #else
 #error "No compatible lwp set status provided for this libc"
 #endif

components/lwp/lwp_user_mm.h

@@ -22,6 +22,10 @@
 #include <mm_fault.h>
 #include <mm_page.h>
 
+#ifdef RT_USING_MLIBC
+#include <sys/mman.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif