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Add InterpreterIPCData

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This commit is contained in:
Alex 2023-03-20 04:42:14 +02:00
parent 2e4c753dab
commit fccec5a09e
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 26 additions and 7 deletions
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33
libc/ElfInterpreter/ld.c
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@ -318,23 +318,34 @@ int ld_main()
if (KCTL_ret == false)
return -4;
/* --------------------------------------------------- */
syscall2(_Print, 'H', 0);
/* Everything is ok, continue. */
return 0;
}
struct InterpreterIPCDataLibrary
{
char Name[128];
};
typedef struct
{
char Path[256];
void *MemoryImage;
struct InterpreterIPCDataLibrary Libraries[256];
} InterpreterIPCData;
/* Actual load */
int ld_load(int argc, char *argv[], char *envp[])
{
syscall2(_Print, 'L', 0);
void *IPCBuffer = (void *)RequestPages(1);
uintptr_t PageSize = KernelCTL(KCTL_GET_PAGE_SIZE, 0, 0, 0, 0);
int PagesForStruct = sizeof(InterpreterIPCData) / PageSize + 1;
InterpreterIPCData *IPCBuffer = (InterpreterIPCData *)RequestPages(PagesForStruct);
int IPC_ID = IPC(IPC_CREATE, IPC_TYPE_MessagePassing, 0, 0, "LOAD", PageSize);
int IPC_ID = IPC(IPC_CREATE, IPC_TYPE_MessagePassing, 0, 0, "LOAD", sizeof(InterpreterIPCData));
while (1)
{
IPC(IPC_LISTEN, IPC_TYPE_MessagePassing, IPC_ID, 1, NULL, 0);
@ -344,7 +355,15 @@ int ld_load(int argc, char *argv[], char *envp[])
break;
}
for (size_t i = 0; i < 256; i++)
{
if (IPCBuffer->Path[i] == '\0')
break;
syscall2(_Print, IPCBuffer->Path[i], 0);
}
syscall2(_Print, '\n', 0);
IPC(IPC_DELETE, IPC_TYPE_MessagePassing, IPC_ID, 0, NULL, 0);
// FreePages((uintptr_t)IPCBuffer, 1); <- The kernel will free the buffer for us
FreePages((uintptr_t)IPCBuffer, PagesForStruct);
return *(int *)IPCBuffer;
}