--- a/hotspot/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp Thu Dec 10 14:22:00 2015 +0100
+++ b/hotspot/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp Mon Dec 14 02:29:11 2015 -0500
@@ -121,7 +121,7 @@
// There are issues with libthread giving out uc_links for different threads
// on the same uc_link chain and bad or circular links.
//
-bool os::Solaris::valid_ucontext(Thread* thread, ucontext_t* valid, ucontext_t* suspect) {
+bool os::Solaris::valid_ucontext(Thread* thread, const ucontext_t* valid, const ucontext_t* suspect) {
if (valid >= suspect ||
valid->uc_stack.ss_flags != suspect->uc_stack.ss_flags ||
valid->uc_stack.ss_sp != suspect->uc_stack.ss_sp ||
@@ -148,10 +148,10 @@
// We will only follow one level of uc_link since there are libthread
// issues with ucontext linking and it is better to be safe and just
// let caller retry later.
-ucontext_t* os::Solaris::get_valid_uc_in_signal_handler(Thread *thread,
- ucontext_t *uc) {
+const ucontext_t* os::Solaris::get_valid_uc_in_signal_handler(Thread *thread,
+ const ucontext_t *uc) {
- ucontext_t *retuc = NULL;
+ const ucontext_t *retuc = NULL;
// Sometimes the topmost register windows are not properly flushed.
// i.e., if the kernel would have needed to take a page fault
@@ -179,7 +179,7 @@
}
// Assumes ucontext is valid
-ExtendedPC os::Solaris::ucontext_get_ExtendedPC(ucontext_t *uc) {
+ExtendedPC os::Solaris::ucontext_get_ExtendedPC(const ucontext_t *uc) {
address pc = (address)uc->uc_mcontext.gregs[REG_PC];
// set npc to zero to avoid using it for safepoint, good for profiling only
return ExtendedPC(pc);
@@ -191,17 +191,17 @@
}
// Assumes ucontext is valid
-intptr_t* os::Solaris::ucontext_get_sp(ucontext_t *uc) {
+intptr_t* os::Solaris::ucontext_get_sp(const ucontext_t *uc) {
return (intptr_t*)((intptr_t)uc->uc_mcontext.gregs[REG_SP] + STACK_BIAS);
}
// Solaris X86 only
-intptr_t* os::Solaris::ucontext_get_fp(ucontext_t *uc) {
+intptr_t* os::Solaris::ucontext_get_fp(const ucontext_t *uc) {
ShouldNotReachHere();
return NULL;
}
-address os::Solaris::ucontext_get_pc(ucontext_t *uc) {
+address os::Solaris::ucontext_get_pc(const ucontext_t *uc) {
return (address) uc->uc_mcontext.gregs[REG_PC];
}
@@ -215,24 +215,24 @@
// here we try to skip nested signal frames.
// This method is also used for stack overflow signal handling.
ExtendedPC os::Solaris::fetch_frame_from_ucontext(Thread* thread,
- ucontext_t* uc, intptr_t** ret_sp, intptr_t** ret_fp) {
+ const ucontext_t* uc, intptr_t** ret_sp, intptr_t** ret_fp) {
assert(thread != NULL, "just checking");
assert(ret_sp != NULL, "just checking");
assert(ret_fp == NULL, "just checking");
- ucontext_t *luc = os::Solaris::get_valid_uc_in_signal_handler(thread, uc);
+ const ucontext_t *luc = os::Solaris::get_valid_uc_in_signal_handler(thread, uc);
return os::fetch_frame_from_context(luc, ret_sp, ret_fp);
}
// ret_fp parameter is only used by Solaris X86.
-ExtendedPC os::fetch_frame_from_context(void* ucVoid,
+ExtendedPC os::fetch_frame_from_context(const void* ucVoid,
intptr_t** ret_sp, intptr_t** ret_fp) {
ExtendedPC epc;
- ucontext_t *uc = (ucontext_t*)ucVoid;
+ const ucontext_t *uc = (const ucontext_t*)ucVoid;
if (uc != NULL) {
epc = os::Solaris::ucontext_get_ExtendedPC(uc);
@@ -246,7 +246,7 @@
return epc;
}
-frame os::fetch_frame_from_context(void* ucVoid) {
+frame os::fetch_frame_from_context(const void* ucVoid) {
intptr_t* sp;
intptr_t* fp;
ExtendedPC epc = fetch_frame_from_context(ucVoid, &sp, &fp);
@@ -605,10 +605,10 @@
return false;
}
-void os::print_context(outputStream *st, void *context) {
+void os::print_context(outputStream *st, const void *context) {
if (context == NULL) return;
- ucontext_t *uc = (ucontext_t*)context;
+ const ucontext_t *uc = (const ucontext_t*)context;
st->print_cr("Registers:");
st->print_cr(" G1=" INTPTR_FORMAT " G2=" INTPTR_FORMAT
@@ -682,10 +682,10 @@
print_hex_dump(st, pc - 32, pc + 32, sizeof(char));
}
-void os::print_register_info(outputStream *st, void *context) {
+void os::print_register_info(outputStream *st, const void *context) {
if (context == NULL) return;
- ucontext_t *uc = (ucontext_t*)context;
+ const ucontext_t *uc = (const ucontext_t*)context;
intptr_t *sp = (intptr_t *)os::Solaris::ucontext_get_sp(uc);
st->print_cr("Register to memory mapping:");