#elif defined(SUNOS)

#	include <ucontext.h>

#	include <dlfcn.h>

#if defined(SUNOS)

	/** Data needed while walking up the stack */

	struct StackWalkerParams {

		std::back_insert_iterator<std::string> *output_iterator; ///< Buffer

		int counter; ///< We are at counter-th stack level

	};

	/**

	 * Callback used while walking up the stack.

	 * @param pc program counter

	 * @param sig 'active' signal (unused)

	 * @param params parameters

	 * @return always 0, continue walking up the stack

	 */

	static int SunOSStackWalker(uintptr_t pc, int sig, void *params)

	{

		StackWalkerParams *wp = (StackWalkerParams *)params;

		/* Resolve program counter to file and nearest symbol (if possible) */

		Dl_info dli;

		if (dladdr((void *)pc, &dli) != 0) {

			fmt::format_to(*wp->output_iterator, " [{:02}] {}({}+0x{:x}) [0x{:x}]\n",

					wp->counter, dli.dli_fname, dli.dli_sname, (int)((byte *)pc - (byte *)dli.dli_saddr), (uint)pc);

		} else {

			fmt::format_to(*wp->output_iterator, " [{:02}] [0x{:x}]\n", wp->counter, (uint)pc);

		}

		wp->counter++;

		return 0;

	}

#endif

#elif defined(SUNOS)

		ucontext_t uc;

		if (getcontext(&uc) != 0) {

			fmt::format_to(output_iterator, " getcontext() failed\n\n");

			return buffer;

		}

		StackWalkerParams wp = { &output_iterator, 0 };

		walkcontext(&uc, &CrashLogUnix::SunOSStackWalker, &wp);

#	if defined(SUNOS)

		/* SunOS/Solaris does not have stdint.h, but inttypes.h defines everything

		 * stdint.h defines and we need. */

#		include <inttypes.h>

#	else

#		define __STDC_LIMIT_MACROS

#		include <stdint.h>

#	endif