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Kernel, libc: Implement EFAULT

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This commit is contained in:
apio 2022-10-12 19:25:35 +02:00
parent e37ff67da2
commit 5f8376409d
5 changed files with 8 additions and 5 deletions
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1
kernel/include/errno.h
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@ -5,6 +5,7 @@
#define ENOEXEC 8 #define ENOEXEC 8
#define EBADF 9 #define EBADF 9
#define ENOMEM 12 #define ENOMEM 12
#define EFAULT 14
#define EISDIR 21 #define EISDIR 21
#define EINVAL 22 #define EINVAL 22
#define EMFILE 24 #define EMFILE 24

2
kernel/src/sys/exec.cpp
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@ -14,7 +14,7 @@ void sys_exec(Context* context, const char* pathname)
{ {
if (!pathname) if (!pathname)
{ {
context->rax = -EINVAL; // FIXME: This should probably return EFAULT. context->rax = -EFAULT;
return; return;
} }

8
kernel/src/sys/stdio.cpp
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@ -66,8 +66,8 @@ void sys_write(Context* context, int fd, size_t size, const char* addr)
{ {
if (!addr) if (!addr)
{ {
STDIO_FAIL(write, EINVAL); STDIO_FAIL(write, EFAULT);
context->rax = -EINVAL; // FIXME: This should probably return EFAULT. context->rax = -EFAULT;
return; return;
} }
if (fd >= TASK_MAX_FDS || fd < 0) if (fd >= TASK_MAX_FDS || fd < 0)
@ -142,8 +142,8 @@ void sys_read(Context* context, int fd, size_t size, char* buffer)
{ {
if (!buffer) if (!buffer)
{ {
STDIO_FAIL(read, EINVAL); STDIO_FAIL(read, EFAULT);
context->rax = -EINVAL; // FIXME: This should probably return EFAULT. context->rax = -EFAULT;
return; return;
} }
if (fd >= TASK_MAX_FDS || fd < 0) if (fd >= TASK_MAX_FDS || fd < 0)

1
libs/libc/include/errno.h
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@ -9,6 +9,7 @@ extern int errno;
#define ENOEXEC 8 // Exec format error #define ENOEXEC 8 // Exec format error
#define EBADF 9 // Bad file descriptor #define EBADF 9 // Bad file descriptor
#define ENOMEM 12 // Cannot allocate memory #define ENOMEM 12 // Cannot allocate memory
#define EFAULT 14 // Bad address
#define EISDIR 21 // Is a directory #define EISDIR 21 // Is a directory
#define EINVAL 22 // Invalid argument #define EINVAL 22 // Invalid argument
#define EMFILE 24 // Too many open files #define EMFILE 24 // Too many open files

1
libs/libc/src/string.cpp
View File

@ -128,6 +128,7 @@ extern "C"
case EMFILE: return "Too many open files"; case EMFILE: return "Too many open files";
case EISDIR: return "Is a directory"; case EISDIR: return "Is a directory";
case ENOEXEC: return "Exec format error"; case ENOEXEC: return "Exec format error";
case EFAULT: return "Bad address";
case 0: return "Success"; case 0: return "Success";
default: return (char*)(unsigned long int)err; default: return (char*)(unsigned long int)err;
} }