Blame src/internal/slibtool_driver_impl.h

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/*******************************************************************/
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/*  slibtool: a skinny libtool implementation, written in C        */
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/*  Copyright (C) 2016--2024  SysDeer Technologies, LLC            */
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/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
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/*******************************************************************/
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#ifndef SLIBTOOL_DRIVER_IMPL_H
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#define SLIBTOOL_DRIVER_IMPL_H
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#include <stdint.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <slibtool/slibtool.h>
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#include "slibtool_dprintf_impl.h"
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#include "slibtool_mapfile_impl.h"
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#include "slibtool_visibility_impl.h"
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#include "argv/argv.h"
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#define SLBT_OPTV_ELEMENTS 128
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extern const struct argv_option slbt_default_options[];
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enum app_tags {
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	TAG_HELP,
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	TAG_HELP_ALL,
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	TAG_VERSION,
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	TAG_INFO,
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	TAG_CONFIG,
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	TAG_DUMPMACHINE,
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	TAG_DEBUG,
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	TAG_DRY_RUN,
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	TAG_FEATURES,
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	TAG_LEGABITS,
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	TAG_MODE,
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	TAG_FINISH,
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	TAG_WARNINGS,
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	TAG_ANNOTATE,
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	TAG_DEPS,
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	TAG_SILENT,
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	TAG_TAG,
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	TAG_CCWRAP,
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	TAG_VERBOSE,
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	TAG_TARGET,
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	TAG_HOST,
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	TAG_FLAVOR,
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	TAG_AR,
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	TAG_AS,
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	TAG_RANLIB,
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	TAG_WINDRES,
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	TAG_DLLTOOL,
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	TAG_MDSO,
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	TAG_IMPLIB,
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	TAG_OUTPUT,
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	TAG_BINDIR,
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	TAG_LDRPATH,
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	TAG_SHREXT,
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	TAG_RPATH,
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	TAG_SYSROOT,
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	TAG_RELEASE,
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	TAG_OBJECTLIST,
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	TAG_DLOPEN,
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	TAG_DLPREOPEN,
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	TAG_EXPORT_DYNAMIC,
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	TAG_EXPSYMS_FILE,
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	TAG_EXPSYMS_REGEX,
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	TAG_VERSION_INFO,
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	TAG_VERSION_NUMBER,
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	TAG_NO_SUPPRESS,
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	TAG_NO_INSTALL,
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	TAG_PREFER_PIC,
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	TAG_PREFER_NON_PIC,
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	TAG_HEURISTICS,
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	TAG_SHARED,
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	TAG_STATIC,
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	TAG_STATIC_LIBTOOL_LIBS,
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	TAG_ALL_STATIC,
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	TAG_DISABLE_STATIC,
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	TAG_DISABLE_SHARED,
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	TAG_NO_UNDEFINED,
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	TAG_MODULE,
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	TAG_AVOID_VERSION,
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	TAG_COMPILER_FLAG,
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	TAG_VERBATIM_FLAG,
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	TAG_THREAD_SAFE,
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	TAG_WEAK,
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	/* ar mode */
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	TAG_AR_HELP,
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	TAG_AR_VERSION,
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	TAG_AR_CHECK,
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	TAG_AR_PRINT,
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	TAG_AR_MAPFILE,
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	TAG_AR_NOSORT,
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	TAG_AR_REGEX,
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	TAG_AR_PRETTY,
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	TAG_AR_POSIX,
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	TAG_AR_YAML,
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	TAG_AR_MERGE,
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	TAG_AR_OUTPUT,
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	TAG_AR_VERBOSE,
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};
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struct slbt_split_vector {
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	char *		dargs;
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	char **		dargv;
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	char **		targv;
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	char **		cargv;
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};
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struct slbt_host_strs {
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	char *		machine;
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	char *		host;
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	char *		flavor;
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	char *		ar;
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	char *		as;
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	char *		ranlib;
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	char *		windres;
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	char *		dlltool;
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	char *		mdso;
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	char **		ar_argv;
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	char **		as_argv;
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	char **		ranlib_argv;
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	char **		windres_argv;
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	char **		dlltool_argv;
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	char **		mdso_argv;
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};
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struct slbt_obj_list {
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	const char *	name;
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	void *		addr;
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	size_t		size;
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	int		objc;
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	char **		objv;
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};
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struct slbt_driver_ctx_impl {
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	struct argv_meta *		meta;
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	struct slbt_common_ctx          cctx;
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	struct slbt_driver_ctx          ctx;
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	struct slbt_host_strs           host;
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	struct slbt_host_strs           ahost;
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	struct slbt_fd_ctx              fdctx;
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	struct slbt_map_info            lconf;
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	struct slbt_obj_list *          objlistv;
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	const struct slbt_archive_ctx * arctx;
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	const char *                    arpath;
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	char *                          libname;
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	char *                          dargs;
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	char **                         dargv;
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	char **                         targv;
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	char **                         cargv;
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	char **                         envp;
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	struct slbt_error_info**        errinfp;
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	struct slbt_error_info**        erricap;
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	struct slbt_error_info *        erriptr[64];
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	struct slbt_error_info          erribuf[64];
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};
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struct slbt_driver_ctx_alloc {
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	struct slbt_driver_ctx_impl	ctx;
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	uint64_t			guard;
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};
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struct slbt_exec_ctx_impl {
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	const struct slbt_driver_ctx *	dctx;
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	struct slbt_symlist_ctx *       sctx;
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	struct slbt_exec_ctx            ctx;
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	int                             argc;
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	char *                          args;
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	char *                          shadow;
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	char *                          dsoprefix;
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	size_t                          size;
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	int                             fdwrapper;
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	char **                         lout[2];
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	char **                         mout[2];
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	char *                          vbuffer[];
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};
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struct slbt_archive_ctx_impl {
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	const struct slbt_driver_ctx *	dctx;
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	const char *			path;
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	struct slbt_raw_archive		map;
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	struct slbt_archive_meta *	meta;
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	struct slbt_archive_ctx		actx;
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};
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struct slbt_symlist_ctx_impl {
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	const struct slbt_driver_ctx *	dctx;
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	const char *                    path;
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	char *                          pathbuf;
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	char *                          symstrs;
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	const char **                   symstrv;
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	struct slbt_symlist_ctx         sctx;
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};
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const char * slbt_program_name(const char *);
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int slbt_optv_init(
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	const struct argv_option[],
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	const struct argv_option **);
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uint64_t slbt_argv_flags(uint64_t flags);
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void slbt_argv_scan(
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	char **				argv,
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	const struct argv_option **	optv,
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	struct argv_ctx *		ctx,
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	struct argv_meta *		meta);
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struct argv_meta * slbt_argv_get(
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	char **,
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	const struct argv_option **,
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	int flags,
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	int fd);
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void slbt_argv_free(struct argv_meta *);
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void slbt_argv_usage(
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	int		fd,
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	const char *	header,
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	const struct	argv_option **,
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	const char *	mode);
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void slbt_argv_usage_plain(
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	int		fd,
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	const char *	header,
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	const struct	argv_option **,
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	const char *	mode);
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int slbt_driver_usage(
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	int				fdout,
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	const char *			program,
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	const char *			arg,
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	const struct argv_option **	optv,
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	struct argv_meta *		meta,
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	struct slbt_split_vector *	sargv,
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	struct slbt_obj_list *		objlistv,
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	int				noclr);
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int slbt_split_argv(
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	char **				argv,
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	uint64_t			flags,
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	struct slbt_split_vector *	sargv,
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	struct slbt_obj_list **		aobjlistv,
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	int				fderr,
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	int				fdcwd);
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int slbt_init_version_info(
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	struct slbt_driver_ctx_impl *	ictx,
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	struct slbt_version_info *	verinfo);
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int slbt_init_host_params(
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	const struct slbt_driver_ctx *	dctx,
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	const struct slbt_common_ctx *	cctx,
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	struct slbt_host_strs *		drvhost,
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	struct slbt_host_params *	host,
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	struct slbt_host_params *	cfgmeta,
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	const char *                    cfgmeta_host,
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	const char *                    cfgmeta_ar,
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	const char *                    cfgmeta_as,
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	const char *                    cfgmeta_ranlib,
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	const char *                    cfgmeta_dlltool);
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void slbt_free_host_params(struct slbt_host_strs * host);
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int slbt_init_link_params(struct slbt_driver_ctx_impl * ctx);
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void slbt_init_flavor_settings(
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	struct slbt_common_ctx *	cctx,
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	const struct slbt_host_params * ahost,
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	struct slbt_flavor_settings *	psettings);
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int slbt_init_ldrpath(
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	struct slbt_common_ctx *  cctx,
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	struct slbt_host_params * host);
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void slbt_reset_placeholders   (struct slbt_exec_ctx *);
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void slbt_disable_placeholders (struct slbt_exec_ctx *);
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static inline struct slbt_archive_ctx_impl * slbt_get_archive_ictx(const struct slbt_archive_ctx * actx)
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{
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	uintptr_t addr;
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	if (actx) {
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		addr = (uintptr_t)actx - offsetof(struct slbt_archive_ctx_impl,actx);
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		return (struct slbt_archive_ctx_impl *)addr;
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	}
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	return 0;
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}
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static inline struct slbt_driver_ctx_impl * slbt_get_driver_ictx(const struct slbt_driver_ctx * dctx)
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{
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	uintptr_t addr;
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	if (dctx) {
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		addr = (uintptr_t)dctx - offsetof(struct slbt_driver_ctx_impl,ctx);
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		return (struct slbt_driver_ctx_impl *)addr;
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	}
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	return 0;
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}
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static inline struct slbt_symlist_ctx_impl * slbt_get_symlist_ictx(const struct slbt_symlist_ctx * sctx)
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{
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	uintptr_t addr;
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	if (sctx) {
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		addr = (uintptr_t)sctx - offsetof(struct slbt_symlist_ctx_impl,sctx);
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		return (struct slbt_symlist_ctx_impl *)addr;
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	}
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	return 0;
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}
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static inline void slbt_driver_set_arctx(
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	const struct slbt_driver_ctx *  dctx,
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	const struct slbt_archive_ctx * arctx,
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	const char *                    arpath)
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{
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	struct slbt_driver_ctx_impl * ictx;
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	ictx         = slbt_get_driver_ictx(dctx);
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	ictx->arctx  = arctx;
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	ictx->arpath = arpath;
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}
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static inline char ** slbt_driver_envp(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_driver_ctx_impl * ictx;
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	ictx = slbt_get_driver_ictx(dctx);
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	return ictx->envp;
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}
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static inline int slbt_driver_fdin(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_fd_ctx fdctx;
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	slbt_lib_get_driver_fdctx(dctx,&fdctx);
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	return fdctx.fdin;
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}
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static inline int slbt_driver_fdout(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_fd_ctx fdctx;
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	slbt_lib_get_driver_fdctx(dctx,&fdctx);
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	return fdctx.fdout;
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}
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static inline int slbt_driver_fderr(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_fd_ctx fdctx;
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	slbt_lib_get_driver_fdctx(dctx,&fdctx);
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	return fdctx.fderr;
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}
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static inline int slbt_driver_fdlog(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_fd_ctx fdctx;
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	slbt_lib_get_driver_fdctx(dctx,&fdctx);
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	return fdctx.fdlog;
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}
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static inline int slbt_driver_fdcwd(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_fd_ctx fdctx;
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	slbt_lib_get_driver_fdctx(dctx,&fdctx);
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	return fdctx.fdcwd;
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}
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static inline int slbt_driver_fddst(const struct slbt_driver_ctx * dctx)
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{
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	struct slbt_fd_ctx fdctx;
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	slbt_lib_get_driver_fdctx(dctx,&fdctx);
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	return fdctx.fddst;
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}
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static inline struct slbt_exec_ctx_impl * slbt_get_exec_ictx(const struct slbt_exec_ctx * ectx)
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{
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	uintptr_t addr;
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	addr = (uintptr_t)ectx - offsetof(struct slbt_exec_ctx_impl,ctx);
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	return (struct slbt_exec_ctx_impl *)addr;
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}
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static inline int slbt_exec_get_fdwrapper(const struct slbt_exec_ctx * ectx)
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{
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	struct slbt_exec_ctx_impl * ictx;
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	ictx = slbt_get_exec_ictx(ectx);
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	return ictx->fdwrapper;
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}
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static inline void slbt_exec_set_fdwrapper(const struct slbt_exec_ctx * ectx, int fd)
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{
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	struct slbt_exec_ctx_impl * ictx;
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	ictx = slbt_get_exec_ictx(ectx);
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	ictx->fdwrapper = fd;
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}
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static inline void slbt_exec_close_fdwrapper(const struct slbt_exec_ctx * ectx)
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{
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	struct slbt_exec_ctx_impl * ictx;
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	ictx = slbt_get_exec_ictx(ectx);
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	close(ictx->fdwrapper);
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	ictx->fdwrapper = (-1);
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}
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#endif