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[libc][musl] support arm-linux-musleabi toolchain

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目前基本功能已经可以在QEMU上跑起来，但是pthread和内核signal选中会报冲突。先合并一版本，后续解决这些问题。
This commit is contained in:
Man, Jianting (Meco)
2022-11-22 21:40:50 -05:00
committed by GitHub
parent fc83546cf5
commit bdd663a33f
11 changed files with 247 additions and 126 deletions
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66
components/libc/posix/io/stdio/libc.c
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@@ -18,6 +18,8 @@
#include <sys/errno.h>
#include "libc.h"
#define STDIO_DEVICE_NAME_MAX 32
int libc_system_init(void)
{
#ifdef RT_USING_POSIX_STDIO
@@ -34,7 +36,7 @@ int libc_system_init(void)
INIT_COMPONENT_EXPORT(libc_system_init);
#if defined(RT_USING_POSIX_STDIO) && defined(RT_USING_NEWLIBC)
#define STDIO_DEVICE_NAME_MAX 32
static FILE* std_console = NULL;
int libc_stdio_set_console(const char* device_name, int mode)
{
@@ -42,7 +44,7 @@ int libc_stdio_set_console(const char* device_name, int mode)
char name[STDIO_DEVICE_NAME_MAX];
char *file_mode;
snprintf(name, sizeof(name) - 1, "/dev/%s", device_name);
rt_snprintf(name, sizeof(name) - 1, "/dev/%s", device_name);
name[STDIO_DEVICE_NAME_MAX - 1] = '\0';
if (mode == O_RDWR)
@@ -107,15 +109,71 @@ int libc_stdio_get_console(void)
return -1;
}
#elif defined(RT_USING_POSIX_STDIO) && defined(RT_USING_MUSLLIBC)
static FILE* std_console = NULL;
int sys_dup2(int oldfd, int new);
int libc_stdio_set_console(const char* device_name, int mode)
{
FILE *fp;
char name[STDIO_DEVICE_NAME_MAX];
char *file_mode;
rt_snprintf(name, sizeof(name) - 1, "/dev/%s", device_name);
name[STDIO_DEVICE_NAME_MAX - 1] = '\0';
if (mode == O_RDWR) file_mode = "r+";
else if (mode == O_WRONLY) file_mode = "wb";
else file_mode = "rb";
fp = fopen(name, file_mode);
if (fp)
{
setvbuf(fp, NULL, _IONBF, 0);
if (std_console)
{
fclose(std_console);
std_console = NULL;
}
std_console = fp;
}
if (std_console)
{
int fd = fileno(std_console);
// /* set fd (0, 1, 2) */
// sys_dup2(fd, 0);
// sys_dup2(fd, 1);
// sys_dup2(fd, 2);
return fd;
}
return -1;
}
int libc_stdio_get_console(void)
{
int ret = -1;
if (std_console)
{
ret = fileno(std_console);
}
return ret;
}
#elif defined(RT_USING_POSIX_STDIO)
#define STDIO_DEVICE_NAME_MAX 32
static int std_fd = -1;
int libc_stdio_set_console(const char* device_name, int mode)
{
int fd;
char name[STDIO_DEVICE_NAME_MAX];
snprintf(name, sizeof(name) - 1, "/dev/%s", device_name);
rt_snprintf(name, sizeof(name) - 1, "/dev/%s", device_name);
name[STDIO_DEVICE_NAME_MAX - 1] = '\0';
fd = open(name, mode, 0);