heaptrc: empty the array for the call trace, otherwise the trace dump code will just dump the rest of the array as well, on systems where the heap is not initialized to zero, or if the memory area has been re-used

* patch by Anton Kavalenka: heaptrc: Improve tracing by printing actual
module name (ether EXE or DLL), resolves 0036130

* fix building on non-unix/windows targets

* last fix was most likely not complete

* use accessor functions to work with the TContext record

* the prefetch bug handling is specific to x86_64

* rename RunErrorCodex64 to a more appropriate RunErrorCodeSEH

* inside the Win64 system unit convert FPC_USE_WIN64_SEH to a SYSTEM_USE_WIN_SEH

+ implement RTL functionality for SEH for aarch64-win64

msxdos target uses same __fpc_envp symbol as msdos

Explicitly disable range and overflow checking to avoid troubles with pointer arithmetics

* ensure that the heaptrc unit can be used on Linux and BSD without linking against the C library

* fix bootstrap with 3.2.2, whi

* fix bootstrapping *BSD with 3.2.2, which isn't flagged as supporting weakexternal on those targets

* Char -> AnsiChar

* googleapiconv fixes and cleanup (ref gitlab 0040094)

- Add updated URL for google api discovery
- Fix incorrect usage / help messages and put options in alpha order
- Replace "with .. do" statement with a local variable for clarity
- Add missing DiscoveryJSONToPas.Execute so output files are not empty
- Add FreeAndNil(Application) to clear a memory leak
(it now has a clean Heaptrc)
- Minor fix to .lpi file which had incorrect dependency.

* Dotted filenames for package openssl

Add heaptrc and fix several namespaced unit names

m68k-sinclairql: make heaptrc compile for the QL

Add support for DISABLE_SYSTEMINLINE inside heaptrc unit

Fix compilation of heaptrc unit using fixes branch bsd compiler

Allow MemSize(nil) to match FreeMem(nil).

Always return allocated size in TraceFreeMemSize

Finish heaptrc to-free queue before reporting leaks.

Outline heaptrc output file selection.

Remove getmem8_size and freemem8_size; make EntryMemUsed thread-local.

Remove SysTryResizeMem.

Fix cross-thread ReallocMem in heaptrc.

Explicitly load C library on Linux as already done in dl unit, to avoid wrong sartup code