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authormarcel <marcel@FreeBSD.org>1999-12-16 17:25:01 +0000
committermarcel <marcel@FreeBSD.org>1999-12-16 17:25:01 +0000
commit6db98885a563ab8ab2853b6991b22cdb71acb7e3 (patch)
treed25a3b7316b07f5e4413b452f755fcc68357489a
parentdb701263c188f477549acf3d2ea91304faa1e0cc (diff)
downloadFreeBSD-src-6db98885a563ab8ab2853b6991b22cdb71acb7e3.zip
FreeBSD-src-6db98885a563ab8ab2853b6991b22cdb71acb7e3.tar.gz
Don't build gensetdefs when we can use /usr/bin/gensetdefs. The latter
also creates setdef{0|1}.c so there's no need to have those in the repository. Using /usr/bin/gensetdefs has no consequences for the output.
-rw-r--r--sys/boot/alpha/common/Makefile.common21
-rw-r--r--sys/boot/alpha/common/setdef0.c48
-rw-r--r--sys/boot/alpha/common/setdef1.c41
-rw-r--r--sys/boot/arc/loader/Makefile29
-rw-r--r--sys/boot/arc/loader/setdef0.c48
-rw-r--r--sys/boot/arc/loader/setdef1.c41
-rw-r--r--sys/boot/common/gensetdefs.c321
7 files changed, 17 insertions, 532 deletions
diff --git a/sys/boot/alpha/common/Makefile.common b/sys/boot/alpha/common/Makefile.common
index 8ba498a..3467d8f 100644
--- a/sys/boot/alpha/common/Makefile.common
+++ b/sys/boot/alpha/common/Makefile.common
@@ -19,9 +19,8 @@ CFLAGS+= -I${.CURDIR}/../../.. -I.
CFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS} \
-DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
-CLEANFILES+= vers.c vers.o gensetdefs.o gensetdefs setdef0.o setdef1.o \
- setdefs.h start.o
-CLEANFILES+= ${BASE} ${BASE}.sym ${BASE}.list
+CLEANFILES+= setdef0.c setdef0.o setdef1.c setdef1.o setdefs.h start.o \
+ vers.c vers.o ${BASE} ${BASE}.sym ${BASE}.list
CFLAGS+= -Wall
@@ -42,8 +41,9 @@ ${BASE}: ${BASE}.sym ${BASE}.help
${BASE}.sym: ${OBJS} ${LIBSTAND} ${LIBALPHA} ${CRT} vers.o setdef0.o setdef1.o
${LD} -o ${BASE}.sym -M -e start -N -Ttext ${LOAD_ADDRESS} \
- ${CRT} setdef0.o ${OBJS} setdef1.o \
- vers.o ${LIBSTAND} ${LIBALPHA} ${LIBSTAND} >${.OBJDIR}/${BASE}.list
+ ${CRT} setdef0.o ${OBJS} setdef1.o vers.o \
+ -L${DESTDIR}${LIBDIR} ${LIBSTAND} ${LIBALPHA} ${LIBSTAND} \
+ > ${.OBJDIR}/${BASE}.list
${BASE}.help: help.common help.alpha
cat ${.ALLSRC} | awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
@@ -73,14 +73,9 @@ CLEANFILES+= machine
.include <bsd.prog.mk>
-setdefs.h: gensetdefs ${OBJS}
+.ORDER: setdefs.h setdef0.c setdef1.c
+setdefs.h setdef0.c setdef1.c: ${OBJS}
@echo Generating linker sets
- @./gensetdefs ${OBJS} >setdefs.h
-
-gensetdefs: gensetdefs.o
- ${CC} -static gensetdefs.o -o $@
-
-gensetdefs.o: gensetdefs.c
- ${CC} -c $<
+ @gensetdefs ${OBJS}
beforedepend ${OBJS}: machine
diff --git a/sys/boot/alpha/common/setdef0.c b/sys/boot/alpha/common/setdef0.c
deleted file mode 100644
index 942b90e..0000000
--- a/sys/boot/alpha/common/setdef0.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*-
- * Copyright (c) 1997 John D. Polstra
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifdef __ELF__
-
-#include <sys/param.h>
-
-/*
- * DEFINE_SET creates the section and label for a set, and emits the
- * count word at the front of it.
- */
-#define DEFINE_SET(set, count) \
- __asm__(".section .set." #set ",\"aw\""); \
- __asm__(".globl " #set); \
- __asm__(".type " #set ",@object"); \
- __asm__(".p2align 3"); \
- __asm__(#set ":"); \
- __asm__(".quad " #count); \
- __asm__(".previous")
-
-#include "setdefs.h" /* Contains a `DEFINE_SET' for each set */
-
-#endif /* __ELF__ */
diff --git a/sys/boot/alpha/common/setdef1.c b/sys/boot/alpha/common/setdef1.c
deleted file mode 100644
index 13668f0..0000000
--- a/sys/boot/alpha/common/setdef1.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/*-
- * Copyright (c) 1997 John D. Polstra
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifdef __ELF__
-
-/*
- * DEFINE_SET emits the NULL terminator for a set.
- */
-#define DEFINE_SET(set, count) \
- __asm__(".section .set." #set ",\"aw\""); \
- __asm__(".quad 0"); \
- __asm__(".previous")
-
-#include "setdefs.h" /* Contains a `DEFINE_SET' for each set */
-
-#endif /* __ELF__ */
diff --git a/sys/boot/arc/loader/Makefile b/sys/boot/arc/loader/Makefile
index acbb066..a12c182 100644
--- a/sys/boot/arc/loader/Makefile
+++ b/sys/boot/arc/loader/Makefile
@@ -19,9 +19,10 @@ CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR}
CFLAGS+= -I${.CURDIR}/../../.. -I.
CFLAGS+= -DLOADER
-CLEANFILES+= vers.c vers.o gensetdefs.o gensetdefs setdef0.o setdef1.o \
- setdefs.h start.o
-CLEANFILES+= ${BASE} ${BASE}.sym ${BASE}.list
+CLEANFILES+= setdef0.c setdef0.o setdef1.c setdef1.o setdefs.h start.o \
+ vers.c vers.o ${BASE} ${BASE}.exe ${BASE}.sym ${BASE}.list
+CLEANFILES+= loader.help
+CLEANFILES+= machine
CFLAGS+= -Wall
@@ -41,15 +42,10 @@ vers.o: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
${BASE}.exe: ${BASE} ${BASE}.help
elf2exe ${BASE}.sym ${BASE}.exe
-#${BASE}: ${OBJS} ${LIBSTAND} ${LIBARC} ${CRT} vers.o setdef0.o setdef1.o
-# ${LD} -o ${BASE}.sym -M -e __start -N -Ttext ${LOAD_ADDRESS} \
-# ${CRT} setdef0.o ${OBJS} setdef1.o \
-# vers.o ${LIBSTAND} ${LIBARC} ${LIBSTAND} >${.OBJDIR}/${BASE}.list
-
${BASE}: ${OBJS} ${LIBSTAND} ${LIBARC} ${CRT} vers.o setdef0.o setdef1.o
${LD} -o ${BASE}.sym -M -N -Ttext ${LOAD_ADDRESS} \
- ${CRT} setdef0.o ${OBJS} setdef1.o \
- vers.o ${LIBSTAND} ${LIBARC} ${LIBSTAND} >${.OBJDIR}/${BASE}.list
+ ${CRT} setdef0.o ${OBJS} setdef1.o vers.o -L${DESTDIR}${LIBDIR} \
+ ${LIBSTAND} ${LIBARC} ${LIBSTAND} >${.OBJDIR}/${BASE}.list
${BASE}.help: help.common help.alpha
cat ${.ALLSRC} | awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
@@ -74,18 +70,11 @@ setdef1.o: setdefs.h
machine:
ln -sf ${.CURDIR}/../../../alpha/include machine
-CLEANFILES+= machine setdefs.h gensetdefs ${BASE} ${BASE}.exe loader.help
-
.include <bsd.prog.mk>
-setdefs.h: gensetdefs ${OBJS}
+.ORDER: setdefs.h setdef0.c setdef1.c
+setdefs.h setdef0.c setdef1.c: ${OBJS}
@echo Generating linker sets
- @./gensetdefs ${OBJS} >setdefs.h
-
-gensetdefs: gensetdefs.o
- ${CC} -static gensetdefs.o -o $@
-
-gensetdefs.o: gensetdefs.c
- ${CC} -c $<
+ @gensetdefs ${OBJS}
beforedepend ${OBJS}: machine
diff --git a/sys/boot/arc/loader/setdef0.c b/sys/boot/arc/loader/setdef0.c
deleted file mode 100644
index 942b90e..0000000
--- a/sys/boot/arc/loader/setdef0.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*-
- * Copyright (c) 1997 John D. Polstra
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifdef __ELF__
-
-#include <sys/param.h>
-
-/*
- * DEFINE_SET creates the section and label for a set, and emits the
- * count word at the front of it.
- */
-#define DEFINE_SET(set, count) \
- __asm__(".section .set." #set ",\"aw\""); \
- __asm__(".globl " #set); \
- __asm__(".type " #set ",@object"); \
- __asm__(".p2align 3"); \
- __asm__(#set ":"); \
- __asm__(".quad " #count); \
- __asm__(".previous")
-
-#include "setdefs.h" /* Contains a `DEFINE_SET' for each set */
-
-#endif /* __ELF__ */
diff --git a/sys/boot/arc/loader/setdef1.c b/sys/boot/arc/loader/setdef1.c
deleted file mode 100644
index 13668f0..0000000
--- a/sys/boot/arc/loader/setdef1.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/*-
- * Copyright (c) 1997 John D. Polstra
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifdef __ELF__
-
-/*
- * DEFINE_SET emits the NULL terminator for a set.
- */
-#define DEFINE_SET(set, count) \
- __asm__(".section .set." #set ",\"aw\""); \
- __asm__(".quad 0"); \
- __asm__(".previous")
-
-#include "setdefs.h" /* Contains a `DEFINE_SET' for each set */
-
-#endif /* __ELF__ */
diff --git a/sys/boot/common/gensetdefs.c b/sys/boot/common/gensetdefs.c
deleted file mode 100644
index a78e456..0000000
--- a/sys/boot/common/gensetdefs.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*-
- * Copyright (c) 1997 John D. Polstra.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <sys/types.h>
-#include <machine/elf.h>
-
-#include <err.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define HASHSIZE 1009u /* Number of hash chains. */
-#define PREFIX ".set." /* Section name prefix for linker sets. */
-
-#if __ELF_WORD_SIZE == 64
-# define Elf_Shdr Elf64_Shdr
-# define Elf_Ehdr Elf64_Ehdr
-#else
-# define Elf_Shdr Elf32_Shdr
-# define Elf_Ehdr Elf32_Ehdr
-#endif
-
-/* One entry in the hash table. */
-typedef struct hashent {
- struct hashent *next; /* Next entry with the same hash. */
- char *name; /* Name of the linker set. */
- size_t size; /* Size in bytes. */
-} hashent;
-
-/* Allocate storage for "count" objects of type "type". */
-#define NEW(type, count) ((type *) xmalloc((count) * sizeof(type)))
-
-static hashent *hashtab[HASHSIZE]; /* Hash chain heads. */
-
-static void enter(const char *, size_t);
-static int enter_sets(const char *);
-static unsigned int hash(const char *);
-static hashent *merge(void);
-static int my_byte_order(void);
-static void *xmalloc(size_t);
-static char *xstrdup(const char *);
-
-/*
- * This is a special-purpose program to generate the linker set definitions
- * needed when building an ELF kernel. Its arguments are the names of
- * ELF object files. It scans the section names of the object files,
- * building a table of those that begin with ".set.", which represent
- * linker sets. Finally, for each set "foo" with "count" elements, it
- * writes a line "DEFINE_SET(foo, count);" to the standard output.
- */
-int
-main(int argc, char **argv)
-{
- int i;
- int status = EXIT_SUCCESS;
- hashent *list;
-
- for (i = 1; i < argc; i++)
- if (enter_sets(argv[i]) == -1)
- status = EXIT_FAILURE;
-
- list = merge();
- while (list != NULL) {
- hashent *next;
-
- printf("DEFINE_SET(%s, %lu);\n", list->name,
- (unsigned long) (list->size / sizeof (void *)));
- next = list->next;
- free(list->name);
- free(list);
- list = next;
- }
-
- return (status);
-}
-
-/*
- * Enter the given string into the hash table, if it is not already there.
- * Each hash chain is kept sorted, so that it will be easy to merge the
- * chains to get a single sorted list.
- */
-static void
-enter(const char *name, size_t size)
-{
- int c = 0;
- hashent *entp;
- hashent **linkp;
- hashent *newp;
-
- linkp = &hashtab[hash(name) % HASHSIZE];
- while ((entp = *linkp) != NULL && (c = strcmp(name, entp->name)) > 0)
- linkp = &entp->next;
-
- if (entp == NULL || c != 0) { /* Not found; create a new entry. */
- newp = NEW(hashent, 1);
- newp->name = xstrdup(name);
- newp->size = 0;
- newp->next = entp;
- *linkp = newp;
- entp = newp;
- }
-
- entp->size += size;
-}
-
-/*
- * Return a hash value for the given string.
- */
-static unsigned int
-hash(const char *s)
-{
- unsigned char ch;
- unsigned int h = 0;
-
- while((ch = *s) != '\0') {
- h = 9*h + ch;
- s++;
- }
- return (h);
-}
-
-/*
- * Enter the linker sets from the given ELF object file. Returns 0 on
- * success, or -1 if an error occurred.
- */
-static int
-enter_sets(const char *filename)
-{
- int i;
- FILE *iop;
- Elf_Shdr *shdr;
- char *shstr;
- Elf_Ehdr ehdr;
-
- if ((iop = fopen(filename, "rb")) == NULL) {
- warn("%s", filename);
- return (-1);
- }
- if (fread(&ehdr, sizeof ehdr, 1, iop) != 1 ||
- ehdr.e_ident[EI_MAG0] != ELFMAG0 ||
- ehdr.e_ident[EI_MAG1] != ELFMAG1 ||
- ehdr.e_ident[EI_MAG2] != ELFMAG2 ||
- ehdr.e_ident[EI_MAG3] != ELFMAG3) {
- warnx("%s: not an ELF file", filename);
- fclose(iop);
- return (-1);
- }
- if (ehdr.e_ident[EI_VERSION] != EV_CURRENT) {
- warnx("%s: unsupported ELF version", filename);
- fclose(iop);
- return (-1);
- }
- if (ehdr.e_ident[EI_DATA] != my_byte_order()) {
- warnx("%s: unsupported byte order", filename);
- fclose(iop);
- return (-1);
- }
- if (ehdr.e_shoff == 0) {
- warnx("%s: no section table", filename);
- fclose(iop);
- return (-1);
- }
- if (ehdr.e_shstrndx == SHN_UNDEF) {
- warnx("%s: no section name string table", filename);
- fclose(iop);
- return (-1);
- }
-
- shdr = NEW(Elf_Shdr, ehdr.e_shnum);
- if (fseek(iop, ehdr.e_shoff, SEEK_SET) == -1) {
- warn("%s", filename);
- free(shdr);
- fclose(iop);
- return (-1);
- }
- if (fread(shdr, sizeof *shdr, ehdr.e_shnum, iop) != ehdr.e_shnum) {
- warnx("%s: truncated section table", filename);
- free(shdr);
- fclose(iop);
- return (-1);
- }
-
- shstr = NEW(char, shdr[ehdr.e_shstrndx].sh_size);
- if (fseek(iop, shdr[ehdr.e_shstrndx].sh_offset, SEEK_SET) == -1) {
- warn("%s", filename);
- free(shstr);
- free(shdr);
- fclose(iop);
- return (-1);
- }
- if (fread(shstr, sizeof *shstr, shdr[ehdr.e_shstrndx].sh_size, iop) !=
- shdr[ehdr.e_shstrndx].sh_size) {
- warnx("%s: truncated section name string table", filename);
- free(shstr);
- free(shdr);
- fclose(iop);
- return (-1);
- }
-
- for (i = 1; i < ehdr.e_shnum; i++) {
- const char *name = shstr + shdr[i].sh_name;
-
- if (strncmp(name, PREFIX, sizeof (PREFIX) - 1) == 0)
- enter(name + sizeof (PREFIX) - 1, shdr[i].sh_size);
- }
-
- free(shstr);
- free(shdr);
- fclose(iop);
- return (0);
-}
-
-/*
- * Destructively merge all the sorted hash chains into a single sorted
- * list, and return a pointer to its first element.
- */
-static hashent *
-merge(void)
-{
- unsigned int numchains = HASHSIZE;
-
- while (numchains > 1) { /* More merging to do. */
- unsigned int lo = 0;
- /*
- * Merge chains pairwise from the outside in, halving the
- * number of chains.
- */
- while (numchains - lo >= 2) {
- hashent **linkp = &hashtab[lo];
- hashent *l1 = hashtab[lo++];
- hashent *l2 = hashtab[--numchains];
-
- while (l1 != NULL && l2 != NULL) {
- if (strcmp(l1->name, l2->name) < 0) {
- *linkp = l1;
- linkp = &l1->next;
- l1 = l1->next;
- } else {
- *linkp = l2;
- linkp = &l2->next;
- l2 = l2->next;
- }
- }
- *linkp = l1==NULL ? l2 : l1;
- }
- }
-
- return (hashtab[0]);
-}
-
-/*
- * Determine the host byte order.
- */
-static int
-my_byte_order(void)
-{
- static unsigned short s = 0xbbaa;
- int byte0;
-
- byte0 = *(unsigned char *)&s;
- if (byte0 == 0xaa)
- return (ELFDATA2LSB);
- else if (byte0 == 0xbb)
- return (ELFDATA2MSB);
- else
- return (ELFDATANONE);
-}
-
-/*
- * Allocate a chunk of memory and return a pointer to it. Die if the
- * malloc fails.
- */
-static void *
-xmalloc(size_t size)
-{
- void *p;
-
- p = malloc(size);
- if (p == NULL)
- err(EXIT_FAILURE, "malloc");
- return (p);
-}
-
-/*
- * Duplicate a string and return a pointer to the copy. Die if there is
- * not enough memory.
- */
-static char *
-xstrdup(const char *s)
-{
- int size;
-
- size = strlen(s) + 1;
- return (memcpy(xmalloc(size), s, size));
-}
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