diff options
Diffstat (limited to 'sys/compat/linux/linux_util.c')
-rw-r--r-- | sys/compat/linux/linux_util.c | 112 |
1 files changed, 11 insertions, 101 deletions
diff --git a/sys/compat/linux/linux_util.c b/sys/compat/linux/linux_util.c index 76c210c..ac92c28 100644 --- a/sys/compat/linux/linux_util.c +++ b/sys/compat/linux/linux_util.c @@ -53,48 +53,11 @@ __FBSDID("$FreeBSD$"); #include <machine/stdarg.h> #include <compat/linux/linux_util.h> -#ifdef COMPAT_LINUX32 -#include <machine/../linux32/linux.h> -#else -#include <machine/../linux/linux.h> -#endif -#include <compat/linux/linux_dtrace.h> +MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures"); const char linux_emul_path[] = "/compat/linux"; -/* DTrace init */ -LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); - -/** - * DTrace probes in this module. - */ -LIN_SDT_PROBE_DEFINE5(util, linux_emul_convpath, entry, "const char *", - "enum uio_seg", "char **", "int", "int"); -LIN_SDT_PROBE_DEFINE1(util, linux_emul_convpath, return, "int"); -LIN_SDT_PROBE_DEFINE1(util, linux_msg, entry, "const char *"); -LIN_SDT_PROBE_DEFINE0(util, linux_msg, return); -LIN_SDT_PROBE_DEFINE2(util, linux_driver_get_name_dev, entry, "device_t", - "const char *"); -LIN_SDT_PROBE_DEFINE0(util, linux_driver_get_name_dev, nullcall); -LIN_SDT_PROBE_DEFINE1(util, linux_driver_get_name_dev, return, "char *"); -LIN_SDT_PROBE_DEFINE3(util, linux_driver_get_major_minor, entry, "char *", - "int *", "int *"); -LIN_SDT_PROBE_DEFINE0(util, linux_driver_get_major_minor, nullcall); -LIN_SDT_PROBE_DEFINE1(util, linux_driver_get_major_minor, notfound, "char *"); -LIN_SDT_PROBE_DEFINE3(util, linux_driver_get_major_minor, return, "int", - "int", "int"); -LIN_SDT_PROBE_DEFINE0(util, linux_get_char_devices, entry); -LIN_SDT_PROBE_DEFINE1(util, linux_get_char_devices, return, "char *"); -LIN_SDT_PROBE_DEFINE1(util, linux_free_get_char_devices, entry, "char *"); -LIN_SDT_PROBE_DEFINE0(util, linux_free_get_char_devices, return); -LIN_SDT_PROBE_DEFINE1(util, linux_device_register_handler, entry, - "struct linux_device_handler *"); -LIN_SDT_PROBE_DEFINE1(util, linux_device_register_handler, return, "int"); -LIN_SDT_PROBE_DEFINE1(util, linux_device_unregister_handler, entry, - "struct linux_device_handler *"); -LIN_SDT_PROBE_DEFINE1(util, linux_device_unregister_handler, return, "int"); - /* * Search an alternate path before passing pathname arguments on to * system calls. Useful for keeping a separate 'emulation tree'. @@ -108,13 +71,9 @@ linux_emul_convpath(struct thread *td, const char *path, enum uio_seg pathseg, { int retval; - LIN_SDT_PROBE5(util, linux_emul_convpath, entry, path, pathseg, pbuf, - cflag, dfd); - retval = kern_alternate_path(td, linux_emul_path, path, pathseg, pbuf, cflag, dfd); - LIN_SDT_PROBE1(util, linux_emul_convpath, return, retval); return (retval); } @@ -124,16 +83,12 @@ linux_msg(const struct thread *td, const char *fmt, ...) va_list ap; struct proc *p; - LIN_SDT_PROBE1(util, linux_msg, entry, fmt); - p = td->td_proc; printf("linux: pid %d (%s): ", (int)p->p_pid, p->p_comm); va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); printf("\n"); - - LIN_SDT_PROBE0(util, linux_msg, return); } struct device_element @@ -156,24 +111,14 @@ linux_driver_get_name_dev(device_t dev) struct device_element *de; const char *device_name = device_get_name(dev); - LIN_SDT_PROBE2(util, linux_driver_get_name_dev, entry, dev, - device_name); - - if (device_name == NULL) { - LIN_SDT_PROBE0(util, linux_driver_get_name_dev, nullcall); - LIN_SDT_PROBE1(util, linux_driver_get_name_dev, return, NULL); + if (device_name == NULL) return NULL; - } TAILQ_FOREACH(de, &devices, list) { - if (strcmp(device_name, de->entry.bsd_driver_name) == 0) { - LIN_SDT_PROBE1(util, linux_driver_get_name_dev, return, - de->entry.linux_driver_name); + if (strcmp(device_name, de->entry.bsd_driver_name) == 0) return (de->entry.linux_driver_name); - } } - LIN_SDT_PROBE1(util, linux_driver_get_name_dev, return, NULL); - return NULL; + return (NULL); } int @@ -181,15 +126,8 @@ linux_driver_get_major_minor(const char *node, int *major, int *minor) { struct device_element *de; - LIN_SDT_PROBE3(util, linux_driver_get_major_minor, entry, node, major, - minor); - - if (node == NULL || major == NULL || minor == NULL) { - LIN_SDT_PROBE0(util, linux_driver_get_major_minor, nullcall); - LIN_SDT_PROBE3(util, linux_driver_get_major_minor, return, 1, - 0, 0); + if (node == NULL || major == NULL || minor == NULL) return 1; - } if (strlen(node) > strlen("pts/") && strncmp(node, "pts/", strlen("pts/")) == 0) { @@ -204,25 +142,18 @@ linux_driver_get_major_minor(const char *node, int *major, int *minor) *major = 136 + (devno / 256); *minor = devno % 256; - LIN_SDT_PROBE3(util, linux_driver_get_major_minor, return, 0, - *major, *minor); - return 0; + return (0); } TAILQ_FOREACH(de, &devices, list) { if (strcmp(node, de->entry.bsd_device_name) == 0) { *major = de->entry.linux_major; *minor = de->entry.linux_minor; - - LIN_SDT_PROBE3(util, linux_driver_get_major_minor, - return, 0, *major, *minor); - return 0; + return (0); } } - LIN_SDT_PROBE1(util, linux_driver_get_major_minor, notfound, node); - LIN_SDT_PROBE3(util, linux_driver_get_major_minor, return, 1, 0, 0); - return 1; + return (1); } char * @@ -233,8 +164,6 @@ linux_get_char_devices() char formated[256]; int current_size = 0, string_size = 1024; - LIN_SDT_PROBE0(util, linux_get_char_devices, entry); - string = malloc(string_size, M_LINUX, M_WAITOK); string[0] = '\000'; last = ""; @@ -261,19 +190,14 @@ linux_get_char_devices() } } - LIN_SDT_PROBE1(util, linux_get_char_devices, return, string); - return string; + return (string); } void linux_free_get_char_devices(char *string) { - LIN_SDT_PROBE1(util, linux_get_char_devices, entry, string); - free(string, M_LINUX); - - LIN_SDT_PROBE0(util, linux_get_char_devices, return); } static int linux_major_starting = 200; @@ -283,13 +207,8 @@ linux_device_register_handler(struct linux_device_handler *d) { struct device_element *de; - LIN_SDT_PROBE1(util, linux_device_register_handler, entry, d); - - if (d == NULL) { - LIN_SDT_PROBE1(util, linux_device_register_handler, return, - EINVAL); + if (d == NULL) return (EINVAL); - } de = malloc(sizeof(*de), M_LINUX, M_WAITOK); if (d->linux_major < 0) { @@ -300,7 +219,6 @@ linux_device_register_handler(struct linux_device_handler *d) /* Add the element to the list, sorted on span. */ TAILQ_INSERT_TAIL(&devices, de, list); - LIN_SDT_PROBE1(util, linux_device_register_handler, return, 0); return (0); } @@ -309,25 +227,17 @@ linux_device_unregister_handler(struct linux_device_handler *d) { struct device_element *de; - LIN_SDT_PROBE1(util, linux_device_unregister_handler, entry, d); - - if (d == NULL) { - LIN_SDT_PROBE1(util, linux_device_unregister_handler, return, - EINVAL); + if (d == NULL) return (EINVAL); - } TAILQ_FOREACH(de, &devices, list) { if (bcmp(d, &de->entry, sizeof(*d)) == 0) { TAILQ_REMOVE(&devices, de, list); free(de, M_LINUX); - LIN_SDT_PROBE1(util, linux_device_unregister_handler, - return, 0); return (0); } } - LIN_SDT_PROBE1(util, linux_device_unregister_handler, return, EINVAL); return (EINVAL); } |