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A bunch of compat work (mostly stubs but some real implementations, too.)

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Another pass at getting bash-1.14.7 to build. Not that many symbols remain.
This commit is contained in:
Andreas Kling 2018-11-11 00:20:53 +01:00
parent 6a0a2c9ab4
commit 3b2f172d48
9 changed files with 134 additions and 2 deletions
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13
LibC/setjmp.cpp
View file

@ -0,0 +1,13 @@
#include <setjmp.h>
#include <assert.h>
#include <Kernel/Syscall.h>
int setjmp(jmp_buf)
{
assert(false);
}
void longjmp(jmp_buf, int val)
{
assert(false);
}

6
LibC/signal.cpp
View file

@ -11,6 +11,12 @@ int kill(pid_t pid, int sig)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int killpg(int pgrp, int sig)
{
int rc = Syscall::invoke(Syscall::SC_killpg, (dword)pgrp, (dword)sig);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
sighandler_t signal(int signum, sighandler_t handler)
{
sighandler_t old_handler = (sighandler_t)Syscall::invoke(Syscall::SC_signal, (dword)signum, (dword)handler);

1
LibC/signal.h
View file

@ -22,6 +22,7 @@ struct sigaction {
};
int kill(pid_t, int sig);
int killpg(int pgrp, int sig);
sighandler_t signal(int sig, sighandler_t);
int sigaction(int sig, const struct sigaction* act, struct sigaction* old_act);
int sigemptyset(sigset_t*);

35
LibC/unistd.cpp
View file

@ -147,6 +147,12 @@ int stat(const char* path, struct stat* statbuf)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int fstat(int fd, struct stat *statbuf)
{
int rc = Syscall::invoke(Syscall::SC_fstat, (dword)fd, (dword)statbuf);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int chdir(const char* path)
{
int rc = Syscall::invoke(Syscall::SC_chdir, (dword)path);
@ -233,4 +239,33 @@ int getgroups(int size, gid_t list[])
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int pipe(int pipefd[2])
{
int rc = Syscall::invoke(Syscall::SC_pipe, (dword)pipefd);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
unsigned int alarm(unsigned int seconds)
{
return Syscall::invoke(Syscall::SC_alarm, (dword)seconds);
}
int setuid(uid_t uid)
{
int rc = Syscall::invoke(Syscall::SC_setuid, (dword)uid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int setgid(uid_t gid)
{
int rc = Syscall::invoke(Syscall::SC_setgid, (dword)gid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int access(const char* pathname, int mode)
{
int rc = Syscall::invoke(Syscall::SC_access, (dword)pathname, (dword)mode);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
}

4
LibC/unistd.h
View file

@ -33,6 +33,7 @@ pid_t waitpid(pid_t, int* wstatus, int options);
int chdir(const char* path);
char* getcwd(char* buffer, size_t size);
char* getwd(char* buffer);
int fstat(int fd, struct stat* statbuf);
int lstat(const char* path, struct stat* statbuf);
int stat(const char* path, struct stat* statbuf);
int sleep(unsigned seconds);
@ -46,6 +47,9 @@ int unlink(const char* pathname);
int getdtablesize();
int dup(int old_fd);
int dup2(int old_fd, int new_fd);
int pipe(int pipefd[2]);
unsigned int alarm(unsigned int seconds);
int access(const char* pathname, int mode);
#define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
#define WTERMSIG(status) ((status) & 0x7f)