mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-02-24 01:29:34 +08:00
27 lines
567 B
C
27 lines
567 B
C
#include "bdm-semihost.h"
|
|
#include "bdm-gdb.h"
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
/*
|
|
* read -- read from a file descriptor
|
|
* input parameters:
|
|
* 0 : file descriptor
|
|
* 1 : buf ptr
|
|
* 2 : count
|
|
* output parameters:
|
|
* 0 : result
|
|
* 1 : errno
|
|
*/
|
|
|
|
ssize_t read (int fd, void *buf, size_t count)
|
|
{
|
|
gdb_parambuf_t parameters;
|
|
parameters[0] = (uint32_t) fd;
|
|
parameters[1] = (uint32_t) buf;
|
|
parameters[2] = (uint32_t) count;
|
|
BDM_TRAP (BDM_READ, (uint32_t)parameters);
|
|
errno = convert_from_gdb_errno (parameters[1]);
|
|
return parameters[0];
|
|
}
|