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https://github.com/Mathewnd/Astral.git
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Matheus
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
#include <logging.h>
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#include <arch/e9.h>
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#include <arch/cpu.h>
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#define SYSCALL_COUNT 24
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#define LOGSTR(x) arch_e9_puts(x)
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static char *name[] = {
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"print",
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"mmap",
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"openat",
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"read",
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"seek",
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"close",
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"archctl",
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"write",
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"getpid",
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"fstat",
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"fstatat",
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"fork",
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"execve",
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"exit",
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"waitpid",
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"munmap",
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"getdents",
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"dup",
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"dup2",
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"dup3",
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"fcntl",
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"chdir",
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"pipe2",
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"isatty"
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};
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static char *args[] = {
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"N/A", // print will not have its argument printed
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"hint %p length %lu prot %d flags %d fd %d offset %ld", // mmap
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"dirfd %d path %s flags %d mode %o", // openat
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"fd %d buffer %p size %lu", // read
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"fd %d offset %ld whence %d", // seek
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"fd %d", // close
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"func %d arg %p", // archctl
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"fd %d buffer %p size %lu", // write
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"N/A", // getpid
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"fd %d ustat %p", // fstat
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"dirfd %d path %s ustat %p flags %d", // fstatat
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"N/A", // fork
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"path %s uargv %p uenvp %p", // execve
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"status %d", // exit
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"pid %d statusp %p options %d", // waitpid
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"addr %p length %lu", // munmap
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"dirfd %d buffer %p readmax %lu", // getdents
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"oldfd %d", // dup
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"oldfd %d newfd %d", // dup2
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"oldfd %d newfd %d flags %d", //dup3
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"fd %d cmd %d arg %lu", // fcntl
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"path %s", // chdir
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"flags %d", // pipe2
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"fd %d", // isatty
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};
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__attribute__((no_caller_saved_registers)) void arch_syscall_log(int syscall, uint64_t a1, uint64_t a2, uint64_t a3, uint64_t a4, uint64_t a5, uint64_t a6) {
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char argbuff[768];
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char printbuff[1024];
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thread_t *thread = _cpu()->thread;
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proc_t *proc = thread->proc;
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snprintf(argbuff, 768, syscall < SYSCALL_COUNT ? args[syscall] : "N/A", a1, a2, a3, a4, a5, a6);
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snprintf(printbuff, 1024, "\e[92msyscall: pid %d tid %d: %s: %s\n\e[0m", proc->pid, thread->tid, syscall < SYSCALL_COUNT ? name[syscall] : "invalid syscall", argbuff);
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LOGSTR(printbuff);
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}
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__attribute__((no_caller_saved_registers)) void arch_syscall_log_return(uint64_t ret, uint64_t errno) {
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char printbuff[1024];
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thread_t *thread = _cpu()->thread;
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proc_t *proc = thread->proc;
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snprintf(printbuff, 1024, "\e[94msyscall return: pid %d tid %d: %lu %lu\n\e[0m", proc->pid, thread->tid, ret, errno);
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LOGSTR(printbuff);
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}
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