diff options
Diffstat (limited to '02_process_init/entry.c')
-rw-r--r-- | 02_process_init/entry.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/02_process_init/entry.c b/02_process_init/entry.c index a6b0918..360d205 100644 --- a/02_process_init/entry.c +++ b/02_process_init/entry.c @@ -1,26 +1,14 @@ // Copyright (c) 2020 Johannes Stoelp -#include <asm/unistd.h> #include <elf.h> -#include <fmt.h> -#include <stdint.h> -#include <syscall.h> +#define MAX_PRINTF_LEN 128 +#include <io.h> #if !defined(__linux__) || !defined(__x86_64__) # error "Only supported in linux(x86_64)!" #endif -int dynld_printf(const char* fmt, ...) { - va_list ap; - va_start(ap, fmt); - char buf[64]; - int ret = dynld_vsnprintf(buf, sizeof(buf), fmt, ap); - va_end(ap); - syscall3(__NR_write, 1 /* stdout */, buf, ret); - return ret; -} - -void entry(long* prctx) { +void entry(const long* prctx) { // Interpret data on the stack passed by the OS kernel as specified in the // x86_64 SysV ABI. |