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Update libbacktrace to ca0de0517.

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This commit is contained in:
Bartosz Taudul
2020-03-01 12:55:32 +01:00
parent c36ed4b8b8
commit fdc3b01054
13 changed files with 3627 additions and 2057 deletions
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libbacktrace/mmapio.cpp
+15 -3
View File
@@ -1,5 +1,5 @@
/* mmapio.c -- File views using mmap.
Copyright (C) 2012-2018 Free Software Foundation, Inc.
Copyright (C) 2012-2020 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
Redistribution and use in source and binary forms, with or without
@@ -54,7 +54,7 @@ namespace tracy
int
backtrace_get_view (struct backtrace_state *state ATTRIBUTE_UNUSED,
int descriptor, off_t offset, size_t size,
int descriptor, off_t offset, uint64_t size,
backtrace_error_callback error_callback,
void *data, struct backtrace_view *view)
{
@@ -63,6 +63,12 @@ backtrace_get_view (struct backtrace_state *state ATTRIBUTE_UNUSED,
off_t pageoff;
void *map;
if ((uint64_t) (size_t) size != size)
{
error_callback (data, "file size too large", 0);
return 0;
}
pagesize = getpagesize ();
inpage = offset % pagesize;
pageoff = offset - inpage;
@@ -92,7 +98,13 @@ backtrace_release_view (struct backtrace_state *state ATTRIBUTE_UNUSED,
backtrace_error_callback error_callback,
void *data)
{
if (munmap (view->base, view->len) < 0)
union {
const void *cv;
void *v;
};
cv = view->base;
if (munmap (v, view->len) < 0)
error_callback (data, "munmap", errno);
}