| process.c (ef0470c053274c343b2be8737e0146d65e17f9be) | process.c (a61f334fd2864b9b040f7e882726426ed7e8a317) |
|---|---|
| 1/* 2 * Copyright (C) 2002- 2004 Jeff Dike (jdike@addtoit.com) 3 * Licensed under the GPL 4 */ 5 6#include <stdlib.h> 7#include <string.h> 8#include <unistd.h> --- 417 unchanged lines hidden (view full) --- 426 { .mmap = 427 { .addr = code, 428 .len = PAGE_SIZE, 429 .prot = PROT_EXEC, 430 .flags = MAP_FIXED | MAP_PRIVATE, 431 .fd = code_fd, 432 .offset = code_offset 433 } } }); | 1/* 2 * Copyright (C) 2002- 2004 Jeff Dike (jdike@addtoit.com) 3 * Licensed under the GPL 4 */ 5 6#include <stdlib.h> 7#include <string.h> 8#include <unistd.h> --- 417 unchanged lines hidden (view full) --- 426 { .mmap = 427 { .addr = code, 428 .len = PAGE_SIZE, 429 .prot = PROT_EXEC, 430 .flags = MAP_FIXED | MAP_PRIVATE, 431 .fd = code_fd, 432 .offset = code_offset 433 } } }); |
| 434 n = os_write_file(fd, &mmop, sizeof(mmop)); | 434 CATCH_EINTR(n = write(fd, &mmop, sizeof(mmop))); |
| 435 if(n != sizeof(mmop)){ | 435 if(n != sizeof(mmop)){ |
| 436 n = errno; |
|
| 436 printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n", 437 code, code_fd, (unsigned long long) code_offset); 438 panic("map_stub_pages : /proc/mm map for code failed, " | 437 printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n", 438 code, code_fd, (unsigned long long) code_offset); 439 panic("map_stub_pages : /proc/mm map for code failed, " |
| 439 "err = %d\n", -n); | 440 "err = %d\n", n); |
| 440 } 441 442 if ( stack ) { 443 __u64 map_offset; 444 int map_fd = phys_mapping(to_phys((void *)stack), &map_offset); 445 mmop = ((struct proc_mm_op) 446 { .op = MM_MMAP, 447 .u = 448 { .mmap = 449 { .addr = data, 450 .len = PAGE_SIZE, 451 .prot = PROT_READ | PROT_WRITE, 452 .flags = MAP_FIXED | MAP_SHARED, 453 .fd = map_fd, 454 .offset = map_offset 455 } } }); | 441 } 442 443 if ( stack ) { 444 __u64 map_offset; 445 int map_fd = phys_mapping(to_phys((void *)stack), &map_offset); 446 mmop = ((struct proc_mm_op) 447 { .op = MM_MMAP, 448 .u = 449 { .mmap = 450 { .addr = data, 451 .len = PAGE_SIZE, 452 .prot = PROT_READ | PROT_WRITE, 453 .flags = MAP_FIXED | MAP_SHARED, 454 .fd = map_fd, 455 .offset = map_offset 456 } } }); |
| 456 n = os_write_file(fd, &mmop, sizeof(mmop)); | 457 CATCH_EINTR(n = write(fd, &mmop, sizeof(mmop))); |
| 457 if(n != sizeof(mmop)) 458 panic("map_stub_pages : /proc/mm map for data failed, " | 458 if(n != sizeof(mmop)) 459 panic("map_stub_pages : /proc/mm map for data failed, " |
| 459 "err = %d\n", -n); | 460 "err = %d\n", errno); |
| 460 } 461} 462 463void new_thread(void *stack, jmp_buf *buf, void (*handler)(void)) 464{ 465 (*buf)[0].JB_IP = (unsigned long) handler; 466 (*buf)[0].JB_SP = (unsigned long) stack + 467 (PAGE_SIZE << UML_CONFIG_KERNEL_STACK_ORDER) - sizeof(void *); --- 96 unchanged lines hidden --- | 461 } 462} 463 464void new_thread(void *stack, jmp_buf *buf, void (*handler)(void)) 465{ 466 (*buf)[0].JB_IP = (unsigned long) handler; 467 (*buf)[0].JB_SP = (unsigned long) stack + 468 (PAGE_SIZE << UML_CONFIG_KERNEL_STACK_ORDER) - sizeof(void *); --- 96 unchanged lines hidden --- |