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mcexec: lookup page_size with sysconf

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page size is not defiend in sys/user.h on aarch64

Change-Id: Idbdaef2519792eeb1e1a2794be0a34d67e87907e
Fujitsu: POSTK_DEBUG_ARCH_DEP_35
This commit is contained in:
Dominique Martinet
2019-01-29 19:28:34 +09:00
parent a10f4b861c
commit ca34154a43
1 changed files with 1 additions and 39 deletions
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40
executer/user/mcexec.c
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@ -64,13 +64,9 @@
#include <sys/signalfd.h>
#include <sys/mount.h>
#include <include/generated/uapi/linux/version.h>
#ifdef POSTK_DEBUG_ARCH_DEP_35
#ifndef __aarch64__
#include <sys/user.h>
#endif /* !__aarch64__ */
#else /* POSTK_DEBUG_ARCH_DEP_35 */
#include <sys/user.h>
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
#include <sys/prctl.h>
#ifndef POSTK_DEBUG_ARCH_DEP_77 /* arch depend hide */
#include <asm/prctl.h>
@ -225,10 +221,8 @@ struct fork_sync_container {
struct fork_sync_container *fork_sync_top;
pthread_mutex_t fork_sync_mutex = PTHREAD_MUTEX_INITIALIZER;
#ifdef POSTK_DEBUG_ARCH_DEP_35
unsigned long page_size;
unsigned long page_mask;
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
pid_t gettid(void)
{
@ -825,15 +819,9 @@ int transfer_image(int fd, struct program_load_desc *desc)
for (i = 0; i < desc->num_sections; i++) {
fp = desc->sections[i].fp;
#ifdef POSTK_DEBUG_ARCH_DEP_35
s = (desc->sections[i].vaddr) & page_mask;
e = (desc->sections[i].vaddr + desc->sections[i].len
+ page_size - 1) & page_mask;
#else /* POSTK_DEBUG_ARCH_DEP_35 */
s = (desc->sections[i].vaddr) & PAGE_MASK;
e = (desc->sections[i].vaddr + desc->sections[i].len
+ PAGE_SIZE - 1) & PAGE_MASK;
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
rpa = desc->sections[i].remote_pa;
if (fseek(fp, desc->sections[i].offset, SEEK_SET) != 0) {
@ -849,29 +837,15 @@ int transfer_image(int fd, struct program_load_desc *desc)
memset(&pt, '\0', sizeof pt);
pt.rphys = rpa;
pt.userp = dma_buf;
#ifdef POSTK_DEBUG_ARCH_DEP_35
pt.size = page_size;
#else /* POSTK_DEBUG_ARCH_DEP_35 */
pt.size = PAGE_SIZE;
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
pt.direction = MCEXEC_UP_TRANSFER_TO_REMOTE;
lr = 0;
#ifdef POSTK_DEBUG_ARCH_DEP_35
memset(dma_buf, 0, page_size);
#else /* POSTK_DEBUG_ARCH_DEP_35 */
memset(dma_buf, 0, PAGE_SIZE);
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
if (s < desc->sections[i].vaddr) {
#ifdef POSTK_DEBUG_ARCH_DEP_35
l = desc->sections[i].vaddr
& (page_size - 1);
lr = page_size - l;
#else /* POSTK_DEBUG_ARCH_DEP_35 */
l = desc->sections[i].vaddr
& (PAGE_SIZE - 1);
lr = PAGE_SIZE - l;
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
if (lr > flen) {
lr = flen;
}
@ -892,13 +866,8 @@ int transfer_image(int fd, struct program_load_desc *desc)
flen -= lr;
}
else if (flen > 0) {
#ifdef POSTK_DEBUG_ARCH_DEP_35
if (flen > page_size) {
lr = page_size;
#else /* POSTK_DEBUG_ARCH_DEP_35 */
if (flen > PAGE_SIZE) {
lr = PAGE_SIZE;
#endif /*POSTK_DEBUG_ARCH_DEP_35 */
} else {
lr = flen;
}
@ -918,13 +887,8 @@ int transfer_image(int fd, struct program_load_desc *desc)
}
flen -= lr;
}
#ifdef POSTK_DEBUG_ARCH_DEP_35
s += page_size;
rpa += page_size;
#else /* POSTK_DEBUG_ARCH_DEP_35 */
s += PAGE_SIZE;
rpa += PAGE_SIZE;
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
/* No more left to upload.. */
if (lr == 0 && flen == 0) break;
@ -2103,10 +2067,8 @@ int main(int argc, char **argv)
__glob_argv = argv;
#endif
#ifdef POSTK_DEBUG_ARCH_DEP_35
page_size = sysconf(_SC_PAGESIZE);
page_mask = ~(page_size - 1);
#endif /* POSTK_DEBUG_ARCH_DEP_35 */
altroot = getenv("MCEXEC_ALT_ROOT");
if (!altroot) {
@ -3033,7 +2995,7 @@ static long util_thread(struct thread_data_s *my_thread, unsigned long rp_rctx,
uti_desc->uti_clv = uti_clv;
/* Initialize list of syscall arguments for syscall_intercept */
if (sizeof(struct syscall_struct) * 11 > PAGE_SIZE) {
if (sizeof(struct syscall_struct) * 11 > page_size) {
fprintf(stderr, "%s: ERROR: param is too large\n", __FUNCTION__);
rc = -ENOMEM;
goto out;