Mario1159/verilator
1
0
Fork 0
forked from github/verilator
Code Pull Requests Releases 1 Activity

Update include/gtkwave from upstream

Browse Source
This commit is contained in:
Wilson Snyder 2023-03-15 22:11:06 -04:00
parent 8ae79066a2
commit 8e55580cde
1 changed files with 27 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
include/gtkwave/fstapi.c
View File

@ -58,6 +58,7 @@
#endif
#ifdef __MINGW32__
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
@ -131,7 +132,7 @@ void **JenkinsIns(void *base_i, const unsigned char *mem, uint32_t length, uint3
#define FST_GZIO_LEN (32768)
#define FST_HDR_FOURPACK_DUO_SIZE (4*1024*1024)
#if defined(__i386__) || defined(__x86_64__) || defined(_AIX)
#if defined(__i386__) || defined(__x86_64__) || defined(_AIX) || defined(__aarch64__)
#define FST_DO_MISALIGNED_OPS
#endif
@ -334,26 +335,22 @@ return(NULL);
/*
* mmap compatibility
*/
#if defined __CYGWIN__ || defined __MINGW32__
#if defined __MINGW32__
#include <limits.h>
#define fstMmap(__addr,__len,__prot,__flags,__fd,__off) fstMmap2((__len), (__fd), (__off))
#define fstMunmap(__addr,__len) free(__addr)
#define fstMunmap(__addr,__len) UnmapViewOfFile((LPCVOID)__addr)
static void *fstMmap2(size_t __len, int __fd, fst_off_t __off)
{
(void)__off;
HANDLE handle = CreateFileMapping((HANDLE)_get_osfhandle(__fd), NULL,
PAGE_READWRITE, (DWORD)(__len >> 32),
(DWORD)__len, NULL);
if (!handle) { return NULL; }
unsigned char *pnt = (unsigned char *)malloc(__len);
fst_off_t cur_offs = lseek(__fd, 0, SEEK_CUR);
size_t i;
lseek(__fd, 0, SEEK_SET);
for(i=0;i<__len;i+=SSIZE_MAX)
{
read(__fd, pnt + i, ((__len - i) >= SSIZE_MAX) ? SSIZE_MAX : (__len - i));
}
lseek(__fd, cur_offs, SEEK_SET);
return(pnt);
void *ptr = MapViewOfFileEx(handle, FILE_MAP_READ | FILE_MAP_WRITE,
0, (DWORD)__off, (SIZE_T)__len, (LPVOID)NULL);
CloseHandle(handle);
return ptr;
}
#else
#include <sys/mman.h>
@ -984,14 +981,26 @@ fflush(xc->handle);
*/
static void fstWriterMmapSanity(void *pnt, const char *file, int line, const char *usage)
{
#if !defined(__CYGWIN__) && !defined(__MINGW32__)
if(pnt == MAP_FAILED)
if(pnt == NULL
#ifdef MAP_FAILED
|| pnt == MAP_FAILED
#endif
)
{
fprintf(stderr, "fstMmap() assigned to %s failed: errno: %d, file %s, line %d.\n", usage, errno, file, line);
#if !defined(__MINGW32__)
perror("Why");
#else
LPSTR mbuf = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&mbuf, 0, NULL);
fprintf(stderr, "%s", mbuf);
LocalFree(mbuf);
#endif
pnt = NULL;
}
#endif
}
@ -1037,34 +1046,11 @@ if(!xc->curval_mem)
static void fstDestroyMmaps(struct fstWriterContext *xc, int is_closing)
{
#if !defined __CYGWIN__ && !defined __MINGW32__
(void)is_closing;
#endif
fstMunmap(xc->valpos_mem, xc->maxhandle * 4 * sizeof(uint32_t));
xc->valpos_mem = NULL;
#if defined __CYGWIN__ || defined __MINGW32__
if(xc->curval_mem)
{
if(!is_closing) /* need to flush out for next emulated mmap() read */
{
unsigned char *pnt = xc->curval_mem;
int __fd = fileno(xc->curval_handle);
fst_off_t cur_offs = lseek(__fd, 0, SEEK_CUR);
size_t i;
size_t __len = xc->maxvalpos;
lseek(__fd, 0, SEEK_SET);
for(i=0;i<__len;i+=SSIZE_MAX)
{
write(__fd, pnt + i, ((__len - i) >= SSIZE_MAX) ? SSIZE_MAX : (__len - i));
}
lseek(__fd, cur_offs, SEEK_SET);
}
}
#endif
fstMunmap(xc->curval_mem, xc->maxvalpos);
xc->curval_mem = NULL;
}