int Image::Load(Team &team)
{
fProgramHeaderTable = new Elf32_Phdr[fHeader->e_phnum];
if (fProgramHeaderTable == 0)
return E_NO_MEMORY;
if (read_pos(fFileHandle, fHeader->e_phoff, fProgramHeaderTable, fHeader->e_phnum *
fHeader->e_phentsize) != fHeader->e_phnum * fHeader->e_phentsize) {
printf("Error reading program header\n");
return E_NOT_IMAGE;
}
const char *filename = fPath;
for (const char *c = fPath; *c; c++)
if (*c == '/')
filename = c + 1;
for (int segmentIndex = 0; segmentIndex < fHeader->e_phnum; segmentIndex++) {
char areaName[OS_NAME_LENGTH];
snprintf(areaName, OS_NAME_LENGTH, "%.12s seg_%d", filename, segmentIndex);
if (fProgramHeaderTable[segmentIndex].p_vaddr % PAGE_SIZE !=
fProgramHeaderTable[segmentIndex].p_offset % PAGE_SIZE) {
printf("Unaligned Segment\n");
return E_NOT_IMAGE;
}
#if DISABLE_DEMAND_PAGE
Area *seg = space->CreateArea(areaName, ((fProgramHeaderTable[segmentIndex].p_memsz
+ PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE, AREA_NOT_LOCKED,
USER_READ | SYSTEM_READ | SYSTEM_WRITE, WRITABLE_PAGE,
static_cast<void*>(fProgramHeaderTable[segmentIndex].p_vaddr), EXACT_ADDRESS);
if (seg == 0)
return E_NOT_IMAGE;
lseek(fFileHandle, fProgramHeaderTable[segmentIndex].p_offset, SEEK_SET);
if (fProgramHeaderTable[segmentIndex].p_type == PT_LOAD
&& fProgramHeaderTable[segmentIndex].p_filesz > 0)
read(fFileHandle, static_cast<void*>(fProgramHeaderTable[segmentIndex].p_vaddr),
fProgramHeaderTable[segmentIndex].p_filesz);
#else
status_t error = CreateFileArea(areaName, fPath, fProgramHeaderTable[segmentIndex].p_vaddr
& ~(PAGE_SIZE - 1), fProgramHeaderTable[segmentIndex].p_offset & ~(PAGE_SIZE - 1),
((fProgramHeaderTable[segmentIndex].p_memsz + PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE,
EXACT_ADDRESS | MAP_PRIVATE, ((fProgramHeaderTable[segmentIndex].p_flags
& PF_W) ? (USER_WRITE | SYSTEM_WRITE) : 0) | USER_READ | USER_EXEC | SYSTEM_READ,
team);
if (error < 0) {
printf("Failed to map image file\n");
return error;
}
#endif
if (segmentIndex == 0)
fBaseAddress = reinterpret_cast<void*>(fProgramHeaderTable[segmentIndex].p_vaddr);
}
return 0;
}
/**
* 创建所有区域.
* @return 主窗体
*/
GtkWidget *DialogPeer::CreateAllArea()
{
GtkWidget *box;
GtkWidget *hpaned, *vpaned;
gint position;
box = gtk_vbox_new(FALSE, 0);
/* 加入菜单条 */
gtk_box_pack_start(GTK_BOX(box), CreateMenuBar(), FALSE, FALSE, 0);
/* 加入主区域 */
hpaned = gtk_hpaned_new();
g_datalist_set_data(&widset, "main-paned", hpaned);
g_object_set_data(G_OBJECT(hpaned), "position-name",
(gpointer)"main-paned-divide");
position = GPOINTER_TO_INT(g_datalist_get_data(&dtset, "main-paned-divide"));
gtk_paned_set_position(GTK_PANED(hpaned), position);
gtk_box_pack_start(GTK_BOX(box), hpaned, TRUE, TRUE, 0);
g_signal_connect(hpaned, "notify::position",
G_CALLBACK(PanedDivideChanged), &dtset);
/*/* 加入聊天历史记录&输入区域 */
vpaned = gtk_vpaned_new();
g_object_set_data(G_OBJECT(vpaned), "position-name",
(gpointer)"historyinput-paned-divide");
position = GPOINTER_TO_INT(g_datalist_get_data(&dtset,
"historyinput-paned-divide"));
gtk_paned_set_position(GTK_PANED(vpaned), position);
gtk_paned_pack1(GTK_PANED(hpaned), vpaned, TRUE, TRUE);
g_signal_connect(vpaned, "notify::position",
G_CALLBACK(PanedDivideChanged), &dtset);
gtk_paned_pack1(GTK_PANED(vpaned), CreateHistoryArea(), TRUE, TRUE);
gtk_paned_pack2(GTK_PANED(vpaned), CreateInputArea(), FALSE, TRUE);
/* 加入好友信息&附件区域 */
vpaned = gtk_vpaned_new();
g_object_set_data(G_OBJECT(vpaned), "position-name",
(gpointer)"infoenclosure-paned-divide");
position = GPOINTER_TO_INT(g_datalist_get_data(&dtset,
"infoenclosure-paned-divide"));
gtk_paned_set_position(GTK_PANED(vpaned), position);
gtk_paned_pack2(GTK_PANED(hpaned), vpaned, FALSE, TRUE);
g_signal_connect(vpaned, "notify::position",
G_CALLBACK(PanedDivideChanged), &dtset);
gtk_paned_pack1(GTK_PANED(vpaned), CreateInfoArea(), TRUE, TRUE);
gtk_paned_pack2(GTK_PANED(vpaned), CreateFileArea(), FALSE, TRUE);
return box;
}
int map_file(const char path[], unsigned int va, off_t offset, size_t size, int flags)
{
return CreateFileArea(path, path, va, offset, size, flags,
USER_READ | USER_WRITE | SYSTEM_READ | SYSTEM_WRITE,
*Thread::GetRunningThread()->GetTeam());
}