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Revert r284153, as I believe it breaks the dtrace sdt module. I will

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fix the original issue a different way.
This commit is contained in:
John Baldwin 2015-06-08 18:06:00 +00:00
parent c2bc5b15eb
commit 15c2b30155
1 changed files with 13 additions and 31 deletions
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44
sys/kern/kern_linker.c
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@ -137,8 +137,6 @@ static int linker_file_add_dependency(linker_file_t file,
linker_file_t dep);
static caddr_t linker_file_lookup_symbol_internal(linker_file_t file,
const char* name, int deps);
static int linker_file_lookup_set_locked(linker_file_t file,
const char *name, void *firstp, void *lastp, int *countp);
static int linker_load_module(const char *kldname,
const char *modname, struct linker_file *parent,
const struct mod_depend *verinfo, struct linker_file **lfpp);
@ -191,8 +189,7 @@ linker_file_sysinit(linker_file_t lf)
sx_assert(&kld_sx, SA_XLOCKED);
if (linker_file_lookup_set_locked(lf, "sysinit_set", &start, &stop,
NULL) != 0)
if (linker_file_lookup_set(lf, "sysinit_set", &start, &stop, NULL) != 0)
return;
/*
* Perform a bubble sort of the system initialization objects by
@ -240,7 +237,7 @@ linker_file_sysuninit(linker_file_t lf)
sx_assert(&kld_sx, SA_XLOCKED);
if (linker_file_lookup_set_locked(lf, "sysuninit_set", &start, &stop,
if (linker_file_lookup_set(lf, "sysuninit_set", &start, &stop,
NULL) != 0)
return;
@ -291,8 +288,7 @@ linker_file_register_sysctls(linker_file_t lf)
sx_assert(&kld_sx, SA_XLOCKED);
if (linker_file_lookup_set_locked(lf, "sysctl_set", &start, &stop,
NULL) != 0)
if (linker_file_lookup_set(lf, "sysctl_set", &start, &stop, NULL) != 0)
return;
sx_xunlock(&kld_sx);
@ -313,8 +309,7 @@ linker_file_unregister_sysctls(linker_file_t lf)
sx_assert(&kld_sx, SA_XLOCKED);
if (linker_file_lookup_set_locked(lf, "sysctl_set", &start, &stop,
NULL) != 0)
if (linker_file_lookup_set(lf, "sysctl_set", &start, &stop, NULL) != 0)
return;
sx_xunlock(&kld_sx);
@ -337,7 +332,7 @@ linker_file_register_modules(linker_file_t lf)
sx_assert(&kld_sx, SA_XLOCKED);
if (linker_file_lookup_set_locked(lf, "modmetadata_set", &start,
if (linker_file_lookup_set(lf, "modmetadata_set", &start,
&stop, NULL) != 0) {
/*
* This fallback should be unnecessary, but if we get booted
@ -747,8 +742,8 @@ linker_file_add_dependency(linker_file_t file, linker_file_t dep)
* This function is used in this file so we can avoid having lots of (void **)
* casts.
*/
static int
linker_file_lookup_set_locked(linker_file_t file, const char *name,
int
linker_file_lookup_set(linker_file_t file, const char *name,
void *firstp, void *lastp, int *countp)
{
@ -756,19 +751,6 @@ linker_file_lookup_set_locked(linker_file_t file, const char *name,
return (LINKER_LOOKUP_SET(file, name, firstp, lastp, countp));
}
int
linker_file_lookup_set(linker_file_t file, const char *name,
void *firstp, void *lastp, int *countp)
{
int error;
sx_slock(&kld_sx);
error = linker_file_lookup_set_locked(file, name, firstp, lastp,
countp);
sx_sunlock(&kld_sx);
return (error);
}
/*
* List all functions in a file.
*/
@ -1487,8 +1469,8 @@ linker_preload(void *arg)
/*
* First get a list of stuff in the kernel.
*/
if (linker_file_lookup_set_locked(linker_kernel_file, MDT_SETNAME,
&start, &stop, NULL) == 0)
if (linker_file_lookup_set(linker_kernel_file, MDT_SETNAME, &start,
&stop, NULL) == 0)
linker_addmodules(linker_kernel_file, start, stop, 1);
/*
@ -1497,7 +1479,7 @@ linker_preload(void *arg)
*/
restart:
TAILQ_FOREACH(lf, &loaded_files, loaded) {
error = linker_file_lookup_set_locked(lf, MDT_SETNAME, &start,
error = linker_file_lookup_set(lf, MDT_SETNAME, &start,
&stop, NULL);
/*
* First, look to see if we would successfully link with this
@ -1591,7 +1573,7 @@ linker_preload(void *arg)
panic("cannot add dependency");
}
lf->userrefs++; /* so we can (try to) kldunload it */
error = linker_file_lookup_set_locked(lf, MDT_SETNAME, &start,
error = linker_file_lookup_set(lf, MDT_SETNAME, &start,
&stop, NULL);
if (!error) {
for (mdp = start; mdp < stop; mdp++) {
@ -1628,7 +1610,7 @@ linker_preload(void *arg)
goto fail;
}
linker_file_register_modules(lf);
if (linker_file_lookup_set_locked(lf, "sysinit_set", &si_start,
if (linker_file_lookup_set(lf, "sysinit_set", &si_start,
&si_stop, NULL) == 0)
sysinit_add(si_start, si_stop);
linker_file_register_sysctls(lf);
@ -2060,7 +2042,7 @@ linker_load_dependencies(linker_file_t lf)
if (error)
return (error);
}
if (linker_file_lookup_set_locked(lf, MDT_SETNAME, &start, &stop,
if (linker_file_lookup_set(lf, MDT_SETNAME, &start, &stop,
&count) != 0)
return (0);
for (mdp = start; mdp < stop; mdp++) {