Replace libelf with elfutils.

CVS patchset: 5778
CVS date: 2002/10/15 18:44:16

4 files changed, 160 insertions, 45 deletions

diff --git a/build/Makefile.am b/build/Makefile.am
index fd6b6dab9..fea1ba21b 100644
--- a/build/Makefile.am
+++ b/build/Makefile.am
@@ -8,6 +8,7 @@ INCLUDES = -I. \
 	-I$(top_srcdir)/rpmdb \
 	-I$(top_srcdir)/rpmio \
 	-I$(top_srcdir)/popt \
+	@WITH_LIBELF_INCLUDE@ \
 	@INCPATH@
 
 LIBS =
diff --git a/build/rpmfc.c b/build/rpmfc.c
index 79aaf9789..c9d02c53a 100644
--- a/build/rpmfc.c
+++ b/build/rpmfc.c
@@ -10,7 +10,7 @@
 /**
  */
 /*@unchecked@*/ /*@observer@*/
-static struct fclassTokens_s fclassTokens[] = {
+static struct rpmfcTokens_s rpmfcTokens[] = {
   { "directory",		RPMFC_DIRECTORY|RPMFC_INCLUDE },
 
   { " shared object",		RPMFC_LIBRARY },
@@ -92,12 +92,12 @@ static struct fclassTokens_s fclassTokens[] = {
 static int fcolorIgnore =
     (RPMFC_ELF32|RPMFC_ELF64|RPMFC_DIRECTORY|RPMFC_LIBRARY|RPMFC_ARCHIVE|RPMFC_FONT|RPMFC_SCRIPT|RPMFC_IMAGE|RPMFC_WHITE);
 
-int fclassColoring(const char * fmstr)
+int rpmfcColoring(const char * fmstr)
 {
-    fclassToken fct;
+    rpmfcToken fct;
     int fcolor = RPMFC_BLACK;
 
-    for (fct = fclassTokens; fct->token != NULL; fct++) {
+    for (fct = rpmfcTokens; fct->token != NULL; fct++) {
 	if (strstr(fmstr, fct->token) == NULL)
 	    continue;
 	fcolor |= fct->colors;
@@ -107,7 +107,7 @@ int fclassColoring(const char * fmstr)
     return fcolor;
 }
 
-void fclassPrint(const char * msg, FCLASS_t fc, FILE * fp)
+void rpmfcPrint(const char * msg, rpmfc fc, FILE * fp)
 {
     int ac = 0;
     int fcolor;
@@ -142,7 +142,7 @@ void fclassPrint(const char * msg, FCLASS_t fc, FILE * fp)
     }
 }
 
-FCLASS_t fclassFree(FCLASS_t fc)
+rpmfc rpmfcFree(rpmfc fc)
 {
     if (fc) {
 	fc->fn = argvFree(fc->fn);
@@ -154,15 +154,25 @@ FCLASS_t fclassFree(FCLASS_t fc)
     return NULL;
 }
 
-FCLASS_t fclassNew(void)
+rpmfc rpmfcNew(void)
 {
-    FCLASS_t fc = xcalloc(1, sizeof(*fc));
+    rpmfc fc = xcalloc(1, sizeof(*fc));
     return fc;
 }
 
-int fclassClassify(FCLASS_t *fcp, ARGV_t argv)
+static int rpmfcELF(rpmfc fc)
 {
-    FCLASS_t fc;
+    return 0;
+}
+
+static int rpmfcSCRIPT(rpmfc fc)
+{
+    return 0;
+}
+
+int rpmfcClassify(rpmfc *fcp, ARGV_t argv)
+{
+    rpmfc fc;
     char buf[BUFSIZ];
     ARGV_t dav;
     const char * s, * se;
@@ -176,7 +186,7 @@ int fclassClassify(FCLASS_t *fcp, ARGV_t argv)
 	return 0;
 
     if (*fcp == NULL)
-	*fcp = fclassNew();
+	*fcp = rpmfcNew();
     fc = *fcp;
 
     /* Set up the file class dictionary. */
@@ -199,7 +209,7 @@ int fclassClassify(FCLASS_t *fcp, ARGV_t argv)
 	if (*se == '\0')
 	    return -1;
 
-	fcolor = fclassColoring(se);
+	fcolor = rpmfcColoring(se);
 	if (fcolor == RPMFC_WHITE || !(fcolor & RPMFC_INCLUDE))
 	    continue;
 
@@ -243,7 +253,14 @@ int fclassClassify(FCLASS_t *fcp, ARGV_t argv)
 	    fwhite++;
 	}
 
-	xx = argiAdd(&fc->fcolor, fc->ix, fclassColoring(se));
+	fcolor = rpmfcColoring(se);
+	xx = argiAdd(&fc->fcolor, fc->ix, fcolor);
+
+	if (fcolor & RPMFC_ELF) {
+	    xx = rpmfcELF(fc);
+	} else if (fcolor & RPMFC_SCRIPT) {
+	    xx = rpmfcSCRIPT(fc);
+	}
 
 	fc->ix++;
     }
@@ -251,7 +268,7 @@ int fclassClassify(FCLASS_t *fcp, ARGV_t argv)
 
 /*@-modfilesys@*/
 sprintf(buf, "final: files %d dict[%d] %d%%", argvCount(fc->fn), argvCount(fc->dict), ((100 * fknown)/fc->ix));
-fclassPrint(buf, fc, NULL);
+rpmfcPrint(buf, fc, NULL);
 /*@=modfilesys@*/
 
     return 0;
diff --git a/build/rpmfc.h b/build/rpmfc.h
index b92c25f0f..3f68cc7dc 100644
--- a/build/rpmfc.h
+++ b/build/rpmfc.h
@@ -1,9 +1,9 @@
 #ifndef _H_RPMFC_
 #define _H_RPMFC_
 
-typedef struct fclass_s * FCLASS_t;
+typedef struct rpmfc_s * rpmfc;
 
-struct fclass_s {
+struct rpmfc_s {
     ARGV_t av;		/*!< file(1) output lines */
     int ac;		/*!< no. of lines */
     int ix;		/*!< current lineno */
@@ -18,25 +18,25 @@ enum FCOLOR_e {
     RPMFC_BLACK			= 0,
     RPMFC_ELF32			= (1 <<  0),
     RPMFC_ELF64			= (1 <<  1),
-
-    RPMFC_EXECUTABLE		= (1 <<  2),
-    RPMFC_SCRIPT		= (1 <<  3),
-    RPMFC_TEXT			= (1 <<  4),
-    RPMFC_DOCUMENT		= (1 <<  5),
-
-    RPMFC_DIRECTORY		= (1 <<  8),
-    RPMFC_SYMLINK		= (1 <<  9),
-    RPMFC_DEVICE		= (1 << 10),
-
-    RPMFC_STATIC		= (1 << 16),
-    RPMFC_NOTSTRIPPED		= (1 << 17),
-    RPMFC_COMPRESSED		= (1 << 18),
-
-    RPMFC_LIBRARY		= (1 << 24),
-    RPMFC_ARCHIVE		= (1 << 25),
-    RPMFC_FONT			= (1 << 26),
-    RPMFC_IMAGE			= (1 << 27),
-    RPMFC_MANPAGE		= (1 << 28),
+#define	RPMFC_ELF	(RPMFC_ELF32|RPMFC_ELF64)
+
+    RPMFC_EXECUTABLE		= (1 <<  8),
+    RPMFC_SCRIPT		= (1 <<  9),
+    RPMFC_TEXT			= (1 << 10),
+    RPMFC_DATA			= (1 << 11),	/* XXX unused */
+    RPMFC_DOCUMENT		= (1 << 12),
+    RPMFC_STATIC		= (1 << 13),
+    RPMFC_NOTSTRIPPED		= (1 << 14),
+    RPMFC_COMPRESSED		= (1 << 15),
+
+    RPMFC_DIRECTORY		= (1 << 16),
+    RPMFC_SYMLINK		= (1 << 17),
+    RPMFC_DEVICE		= (1 << 18),
+    RPMFC_LIBRARY		= (1 << 19),
+    RPMFC_ARCHIVE		= (1 << 20),
+    RPMFC_FONT			= (1 << 21),
+    RPMFC_IMAGE			= (1 << 22),
+    RPMFC_MANPAGE		= (1 << 23),
 
     RPMFC_WHITE			= (1 << 29),
     RPMFC_INCLUDE		= (1 << 30),
@@ -44,13 +44,13 @@ enum FCOLOR_e {
 };
 typedef	enum FCOLOR_e FCOLOR_t;
 
-struct fclassTokens_s {
+struct rpmfcTokens_s {
 /*@observer@*/
     const char * token;
     int colors;
 };
 
-typedef struct fclassTokens_s * fclassToken;
+typedef struct rpmfcTokens_s * rpmfcToken;
 
 #ifdef __cplusplus
 extern "C" {
@@ -58,28 +58,28 @@ extern "C" {
 
 /**
  */
-int fclassColoring(const char * fmstr)
+int rpmfcColoring(const char * fmstr)
 	/*@*/;
 
 /**
  */
-void fclassPrint(const char * msg, FCLASS_t fc, FILE * fp)
+void rpmfcPrint(const char * msg, rpmfc fc, FILE * fp)
 	/*@globals fileSystem @*/
 	/*@modifies *fp, fileSystem @*/;
 /**
  */
 /*@null@*/
-FCLASS_t fclassFree(/*@only@*/ /*@null@*/ FCLASS_t fc)
+rpmfc rpmfcFree(/*@only@*/ /*@null@*/ rpmfc fc)
 	/*@modifies fc @*/;
 
 /**
  */
-FCLASS_t fclassNew(void)
+rpmfc rpmfcNew(void)
 	/*@*/;
 
 /**
  */
-int fclassClassify(/*@out@*/ FCLASS_t *fcp, ARGV_t argv)
+int rpmfcClassify(/*@out@*/ rpmfc *fcp, ARGV_t argv)
 	/*@modifies *fcp @*/;
 
 #ifdef __cplusplus
diff --git a/build/tfr.c b/build/tfr.c
index 66726c214..fbf9d3eca 100644
--- a/build/tfr.c
+++ b/build/tfr.c
@@ -4,8 +4,96 @@
 #include <argv.h>
 #include <rpmfc.h>
 
+
+#if HAVE_LIBELF_GELF_H
+
+#include <libelf/gelf.h>
+
+#if !defined(DT_GNU_PRELINKED)
+#define	DT_GNU_PRELINKED	0x6ffffdf5
+#endif
+#if !defined(DT_GNU_LIBLIST)
+#define	DT_GNU_LIBLIST		0x6ffffef9
+#endif
+
+#endif
+
 #include "debug.h"
 
+static int rpmfcELF(rpmfc fc)
+{
+#if HAVE_LIBELF_GELF_H && HAVE_LIBELF
+    const char * fn = fc->fn[fc->ix];;
+    Elf *elf = NULL;
+    Elf_Scn *scn = NULL;
+    Elf_Data *data = NULL;
+    GElf_Ehdr ehdr;
+    GElf_Shdr shdr;
+    GElf_Dyn dyn;
+    int bingo;
+    int fdno;
+
+size_t ndxscn[16];
+const char * sn;
+
+memset(ndxscn, 0, sizeof(ndxscn));
+fprintf(stderr, "*** %s\n", fn);
+    fdno = open(fn, O_RDONLY);
+    if (fdno < 0)
+	return fdno;
+
+    (void) elf_version(EV_CURRENT);
+
+    if ((elf = elf_begin (fdno, ELF_C_READ, NULL)) == NULL
+     || elf_kind(elf) != ELF_K_ELF
+     || gelf_getehdr(elf, &ehdr) == NULL
+     || !(ehdr.e_type == ET_DYN || ehdr.e_type == ET_EXEC))
+	goto exit;
+
+    bingo = 0;
+    /*@-branchstate -uniondef @*/
+    while (!bingo && (scn = elf_nextscn(elf, scn)) != NULL) {
+	(void) gelf_getshdr(scn, &shdr);
+fprintf(stderr, "\tsection %s\n", elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name));
+	if (shdr.sh_type >= 0 && shdr.sh_type < 16)
+	    ndxscn[shdr.sh_type] = elf_ndxscn(scn);
+	switch (shdr.sh_type) {
+	default:
+	    continue;
+	    /*@switchbreak@*/ break;
+	case SHT_GNU_verneed:
+	    /*@switchbreak@*/ break;
+	case SHT_DYNAMIC:
+	    while (!bingo && (data = elf_getdata (scn, data)) != NULL) {
+		int maxndx = data->d_size / shdr.sh_entsize;
+		int ndx;
+
+		for (ndx = 0; ndx < maxndx; ++ndx) {
+		    (void) gelf_getdyn (data, ndx, &dyn);
+		    switch (dyn.d_tag) {
+		    default:
+			/*@innercontinue@*/ continue;
+			/*@notreached@*/ break;
+		    case DT_NEEDED:
+sn = elf_strptr(elf, ndxscn[SHT_STRTAB], dyn.d_un.d_val);
+fprintf(stderr, "\t\tneeded %s\n", sn);
+			/*@switchbreak@*/ break;
+		    }
+		}
+	    }
+	    /*@switchbreak@*/ break;
+	}
+    }
+    /*@=branchstate =uniondef @*/
+
+exit:
+    if (elf) (void) elf_end(elf);
+    return 0;
+#else
+    return -1;
+#endif
+}
+
 static struct poptOption optionsTable[] = {
 
  { NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmcliAllPoptTable, 0,
@@ -26,11 +114,12 @@ main(int argc, char *const argv[])
     int pac = 0;
     ARGV_t xav;
     ARGV_t av = NULL;
-    FCLASS_t fc;
+    rpmfc fc;
     int ac = 0;
     const char * s;
     int ec = 1;
     int xx;
+int fcolor;
 
     optCon = rpmcliInit(argc, argv, optionsTable);
     if (optCon == NULL)
@@ -65,8 +154,16 @@ main(int argc, char *const argv[])
     xx = argvSort(xav, argvCmp);
 
     fc = NULL;
-    xx = fclassClassify(&fc, xav);
-    fc = fclassFree(fc);
+    xx = rpmfcClassify(&fc, xav);
+
+    for (fc->ix = 0; fc->fn[fc->ix] != NULL; fc->ix++) {
+	fcolor = fc->fcolor->vals[fc->ix];
+	if (fcolor & RPMFC_ELF) {
+	    xx = rpmfcELF(fc);
+	    continue;
+	}
+    }
+    fc = rpmfcFree(fc);
 
     xav = argvFree(xav);