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Remove grub_dl_iterate

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-27 00:52:40 +01:00
parent 9eade9dbd7
commit fcaae9ec12
3 changed files with 32 additions and 57 deletions
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34
commands/minicmd.c
View file

@ -301,27 +301,23 @@ grub_mini_cmd_lsmod (struct grub_command *cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char *argv[] __attribute__ ((unused)))
{
auto int print_module (grub_dl_t mod);
int print_module (grub_dl_t mod)
{
grub_dl_dep_t dep;
grub_printf ("%s\t%d\t\t", mod->name, mod->ref_count);
for (dep = mod->dep; dep; dep = dep->next)
{
if (dep != mod->dep)
grub_putchar (',');
grub_printf ("%s", dep->mod->name);
}
grub_putchar ('\n');
return 0;
}
grub_dl_t mod;
grub_printf ("Name\tRef Count\tDependencies\n");
grub_dl_iterate (print_module);
FOR_DL_MODULES (mod)
{
grub_dl_dep_t dep;
grub_printf ("%s\t%d\t\t", mod->name, mod->ref_count);
for (dep = mod->dep; dep; dep = dep->next)
{
if (dep != mod->dep)
grub_putchar (',');
grub_printf ("%s", dep->mod->name);
}
grub_putchar ('\n');
}
return 0;
}

6
include/grub/dl.h
View file

@ -82,6 +82,7 @@ struct grub_dl
Elf_Sym *symtab;
void (*init) (struct grub_dl *mod);
void (*fini) (void);
struct grub_dl *next;
};
typedef struct grub_dl *grub_dl_t;
@ -113,7 +114,10 @@ grub_dl_unref (grub_dl_t mod)
int EXPORT_FUNC(grub_dl_ref) (grub_dl_t mod);
int EXPORT_FUNC(grub_dl_unref) (grub_dl_t mod);
#endif
void EXPORT_FUNC(grub_dl_iterate) (int (*hook) (grub_dl_t mod));
extern grub_dl_t EXPORT_VAR(grub_dl_head);
#define FOR_DL_MODULES(var) FOR_LIST_ELEMENTS ((var), (grub_dl_head))
grub_dl_t EXPORT_FUNC(grub_dl_get) (const char *name);
grub_err_t grub_dl_register_symbol (const char *name, void *addr,
grub_dl_t mod);

49
kern/dl.c
View file

@ -39,31 +39,17 @@
struct grub_dl_list
{
struct grub_dl_list *next;
grub_dl_t mod;
};
typedef struct grub_dl_list *grub_dl_list_t;
static grub_dl_list_t grub_dl_head;
grub_dl_t grub_dl_head = 0;
static grub_err_t
grub_dl_add (grub_dl_t mod)
{
grub_dl_list_t l;
if (grub_dl_get (mod->name))
return grub_error (GRUB_ERR_BAD_MODULE,
"`%s' is already loaded", mod->name);
l = (grub_dl_list_t) grub_malloc (sizeof (*l));
if (! l)
return grub_errno;
l->mod = mod;
l->next = grub_dl_head;
grub_dl_head = l;
mod->next = grub_dl_head;
grub_dl_head = mod;
return GRUB_ERR_NONE;
}
@ -71,13 +57,12 @@ grub_dl_add (grub_dl_t mod)
static void
grub_dl_remove (grub_dl_t mod)
{
grub_dl_list_t *p, q;
grub_dl_t *p, q;
for (p = &grub_dl_head, q = *p; q; p = &q->next, q = *p)
if (q->mod == mod)
if (q == mod)
{
*p = q->next;
grub_free (q);
return;
}
}
@ -85,25 +70,15 @@ grub_dl_remove (grub_dl_t mod)
grub_dl_t
grub_dl_get (const char *name)
{
grub_dl_list_t l;
grub_dl_t l;
for (l = grub_dl_head; l; l = l->next)
if (grub_strcmp (name, l->mod->name) == 0)
return l->mod;
if (grub_strcmp (name, l->name) == 0)
return l;
return 0;
}
void
grub_dl_iterate (int (*hook) (grub_dl_t mod))
{
grub_dl_list_t l;
for (l = grub_dl_head; l; l = l->next)
if (hook (l->mod))
break;
}
struct grub_symbol
@ -690,11 +665,11 @@ grub_dl_unload_unneeded (void)
{
/* Because grub_dl_remove modifies the list of modules, this
implementation is tricky. */
grub_dl_list_t p = grub_dl_head;
grub_dl_t p = grub_dl_head;
while (p)
{
if (grub_dl_unload (p->mod))
if (grub_dl_unload (p))
{
p = grub_dl_head;
continue;
@ -710,13 +685,13 @@ grub_dl_unload_all (void)
{
while (grub_dl_head)
{
grub_dl_list_t p;
grub_dl_t p;
grub_dl_unload_unneeded ();
/* Force to decrement the ref count. This will purge pre-loaded
modules and manually inserted modules. */
for (p = grub_dl_head; p; p = p->next)
p->mod->ref_count--;
p->ref_count--;
}
}