uml: remove page_size()

[powerpc.git] / arch / um / os-Linux / skas / process.c

diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index cb9ab54..29fd079 100644 (file)
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -14,11 +14,10 @@
 #include <sys/mman.h>
 #include <sys/user.h>
 #include <sys/time.h>
-#include <asm/unistd.h>
+#include <sys/syscall.h>
 #include <asm/types.h>
 #include "user.h"
 #include "sysdep/ptrace.h"
-#include "user_util.h"
 #include "kern_util.h"
 #include "skas.h"
 #include "stub-data.h"
@@ -34,6 +33,7 @@
 #include "uml-config.h"
 #include "process.h"
 #include "longjmp.h"
+#include "kern_constants.h"
 
 int is_skas_winch(int pid, int fd, void *data)
 {
@@ -67,7 +67,7 @@ void wait_stub_done(int pid, int sig, char * fname)
 
        if((n < 0) || !WIFSTOPPED(status) ||
           (WSTOPSIG(status) != SIGUSR1 && WSTOPSIG(status) != SIGTRAP)){
-               unsigned long regs[HOST_FRAME_SIZE];
+               unsigned long regs[MAX_REG_NR];
 
                if(ptrace(PTRACE_GETREGS, pid, 0, regs) < 0)
                        printk("Failed to get registers from stub, "
@@ -76,7 +76,7 @@ void wait_stub_done(int pid, int sig, char * fname)
                        int i;
 
                        printk("Stub registers -\n");
-                       for(i = 0; i < HOST_FRAME_SIZE; i++)
+                       for(i = 0; i < ARRAY_SIZE(regs); i++)
                                printk("\t%d - %lx\n", i, regs[i]);
                }
                panic("%s : failed to wait for SIGUSR1/SIGTRAP, "
@@ -172,7 +172,7 @@ static int userspace_tramp(void *stack)
                int fd;
                __u64 offset;
                fd = phys_mapping(to_phys(&__syscall_stub_start), &offset);
-               addr = mmap64((void *) UML_CONFIG_STUB_CODE, page_size(),
+               addr = mmap64((void *) UML_CONFIG_STUB_CODE, UM_KERN_PAGE_SIZE,
                              PROT_EXEC, MAP_FIXED | MAP_PRIVATE, fd, offset);
                if(addr == MAP_FAILED){
                        printk("mapping mmap stub failed, errno = %d\n",
@@ -182,8 +182,8 @@ static int userspace_tramp(void *stack)
 
                if(stack != NULL){
                        fd = phys_mapping(to_phys(stack), &offset);
-                       addr = mmap((void *) UML_CONFIG_STUB_DATA, page_size(),
-                                   PROT_READ | PROT_WRITE,
+                       addr = mmap((void *) UML_CONFIG_STUB_DATA,
+                                   UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
                                    MAP_FIXED | MAP_SHARED, fd, offset);
                        if(addr == MAP_FAILED){
                                printk("mapping segfault stack failed, "
@@ -199,7 +199,7 @@ static int userspace_tramp(void *stack)
                                  (unsigned long) stub_segv_handler -
                                  (unsigned long) &__syscall_stub_start;
 
-               set_sigstack((void *) UML_CONFIG_STUB_DATA, page_size());
+               set_sigstack((void *) UML_CONFIG_STUB_DATA, UM_KERN_PAGE_SIZE);
                sigemptyset(&sa.sa_mask);
                sigaddset(&sa.sa_mask, SIGIO);
                sigaddset(&sa.sa_mask, SIGWINCH);
@@ -328,7 +328,7 @@ void userspace(union uml_pt_regs *regs)
 int copy_context_skas0(unsigned long new_stack, int pid)
 {
        int err;
-       unsigned long regs[HOST_FRAME_SIZE];
+       unsigned long regs[MAX_REG_NR];
        unsigned long fp_regs[HOST_FP_SIZE];
        unsigned long current_stack = current_stub_stack();
        struct stub_data *data = (struct stub_data *) current_stack;
@@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned long code,
                                          .offset  = code_offset
        } } });
        n = os_write_file(fd, &mmop, sizeof(mmop));
-       if(n != sizeof(mmop))
+       if(n != sizeof(mmop)){
+               printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n",
+                      code, code_fd, (unsigned long long) code_offset);
                panic("map_stub_pages : /proc/mm map for code failed, "
                      "err = %d\n", -n);
+       }
 
        if ( stack ) {
                __u64 map_offset;