summaryrefslogtreecommitdiffhomepage
path: root/src/internal/slibtool_objmeta_impl.c
blob: 1694e1df5204c92c303bd98ad41484125905e5d4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
/*******************************************************************/
/*  slibtool: a skinny libtool implementation, written in C        */
/*  Copyright (C) 2016--2024  SysDeer Technologies, LLC            */
/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/

#include <fcntl.h>
#include <stdio.h>
#include <slibtool/slibtool.h>
#include "slibtool_driver_impl.h"
#include "slibtool_dprintf_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_metafile_impl.h"
#include "slibtool_visibility_impl.h"

static int  slbt_create_default_object_wrapper(
	const struct slbt_driver_ctx *	dctx,
	struct slbt_exec_ctx *		ectx)
{
	int					ret;
	int					fdout;
	const struct slbt_source_version *	verinfo;

	if ((fdout = openat(
			slbt_driver_fdcwd(dctx),
			ectx->ltobjname,
			O_RDWR|O_CREAT|O_TRUNC,
			0644)) < 0)
		return SLBT_SYSTEM_ERROR(dctx,ectx->ltobjname);

	verinfo = slbt_source_version();

	ret = slbt_dprintf(fdout,
		"# libtool compatible object wrapper\n"
		"# Generated by %s (slibtool %d.%d.%d)\n"
		"# [commit reference: %s]\n\n"

		"pic_object='%s'\n"
		"non_pic_object='%s'\n",

		dctx->program,
		verinfo->major,verinfo->minor,verinfo->revision,
		verinfo->commit,

		(dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
			? ectx->lobjname
			: "none",
		(dctx->cctx->drvflags & SLBT_DRIVER_STATIC)
			? ectx->aobjname
			: "none");

	close(fdout);

	return (ret < 0) ? SLBT_SYSTEM_ERROR(dctx,0) : 0;
}

static int  slbt_create_compatible_object_wrapper(
	const struct slbt_driver_ctx *	dctx,
	struct slbt_exec_ctx *		ectx)
{
	int					ret;
	int					fdout;
	const struct slbt_source_version *	verinfo;

	if ((fdout = openat(
			slbt_driver_fdcwd(dctx),
			ectx->ltobjname,
			O_RDWR|O_CREAT|O_TRUNC,
			0644)) < 0)
		return SLBT_SYSTEM_ERROR(dctx, ectx->ltobjname);

	verinfo = slbt_source_version();

	ret = slbt_dprintf(fdout,
		"# %s - a libtool object file\n"
		"# Generated by %s (slibtool %d.%d.%d)\n"
		"# [commit reference: %s]\n"
		"#\n"
		"# Please DO NOT delete this file!\n"
		"# It is necessary for linking the library.\n\n"

		"# Name of the PIC object.\n"
		"pic_object='%s'\n\n"

		"# Name of the non-PIC object\n"
		"non_pic_object='%s'\n",

		ectx->ltobjname,
		dctx->program,
		verinfo->major,verinfo->minor,verinfo->revision,
		verinfo->commit,

		(dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
			? ectx->lobjname
			: "none",
		(dctx->cctx->drvflags & SLBT_DRIVER_STATIC)
			? ectx->aobjname
			: "none");

	close(fdout);

	return (ret < 0) ? SLBT_SYSTEM_ERROR(dctx,0) : 0;
}

slbt_hidden int slbt_create_object_wrapper(
	const struct slbt_driver_ctx *	dctx,
	struct slbt_exec_ctx *		ectx)
{
	if (dctx->cctx->drvflags & SLBT_DRIVER_LEGABITS)
		return slbt_create_compatible_object_wrapper(dctx,ectx);
	else
		return slbt_create_default_object_wrapper(dctx,ectx);
}