libexecinfo recipe

This commit is contained in:
Philippe Pittoli 2021-03-27 23:52:08 +01:00
parent 83b9e2e29f
commit addd24134e
4 changed files with 152 additions and 0 deletions

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@ -0,0 +1,64 @@
--- a/execinfo.c.orig
+++ b/execinfo.c
@@ -69,7 +69,8 @@
char **
backtrace_symbols(void *const *buffer, int size)
{
- int i, clen, alen, offset;
+ size_t clen, alen;
+ int i, offset;
char **rval;
char *cp;
Dl_info info;
@@ -78,7 +79,6 @@
rval = malloc(clen);
if (rval == NULL)
return NULL;
- (char **)cp = &(rval[size]);
for (i = 0; i < size; i++) {
if (dladdr(buffer[i], &info) != 0) {
if (info.dli_sname == NULL)
@@ -92,14 +92,14 @@
2 + /* " <" */
strlen(info.dli_sname) + /* "function" */
1 + /* "+" */
- D10(offset) + /* "offset */
+ 10 + /* "offset */
5 + /* "> at " */
strlen(info.dli_fname) + /* "filename" */
1; /* "\0" */
rval = realloc_safe(rval, clen + alen);
if (rval == NULL)
return NULL;
- snprintf(cp, alen, "%p <%s+%d> at %s",
+ snprintf((char *) rval + clen, alen, "%p <%s+%d> at %s",
buffer[i], info.dli_sname, offset, info.dli_fname);
} else {
alen = 2 + /* "0x" */
@@ -108,12 +108,15 @@
rval = realloc_safe(rval, clen + alen);
if (rval == NULL)
return NULL;
- snprintf(cp, alen, "%p", buffer[i]);
+ snprintf((char *) rval + clen, alen, "%p", buffer[i]);
}
- rval[i] = cp;
- cp += alen;
+ rval[i] = (char *) clen;
+ clen += alen;
}
+ for (i = 0; i < size; i++)
+ rval[i] += (long) rval;
+
return rval;
}
@@ -155,6 +158,6 @@
return;
snprintf(buf, len, "%p\n", buffer[i]);
}
- write(fd, buf, len - 1);
+ write(fd, buf, strlen(buf));
}
}

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@ -0,0 +1,24 @@
--- a/execinfo.c.orig
+++ b/execinfo.c
@@ -26,6 +26,7 @@
* $Id: execinfo.c,v 1.3 2004/07/19 05:21:09 sobomax Exp $
*/
+#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/uio.h>
#include <dlfcn.h>
--- a/stacktraverse.c.orig
+++ b/stacktraverse.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
#include <stddef.h>
#include "stacktraverse.h"
--- a/test.c.orig
+++ b/test.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>

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@ -0,0 +1,44 @@
--- a/Makefile.orig
+++ b/Makefile
@@ -23,24 +23,25 @@
# SUCH DAMAGE.
#
# $Id: Makefile,v 1.3 2004/07/19 05:19:55 sobomax Exp $
+#
+# Linux Makefile by Matt Smith <mcs@darkregion.net>, 2011/01/04
-LIB= execinfo
+CC=cc
+AR=ar
+EXECINFO_CFLAGS=$(CFLAGS) -O2 -pipe -fno-strict-aliasing -std=gnu99 -fstack-protector -c
+EXECINFO_LDFLAGS=$(LDFLAGS)
-SRCS= stacktraverse.c stacktraverse.h execinfo.c execinfo.h
+all: static dynamic
-INCS= execinfo.h
+static:
+ $(CC) $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) stacktraverse.c
+ $(CC) $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) execinfo.c
+ $(AR) rcs libexecinfo.a stacktraverse.o execinfo.o
-SHLIB_MAJOR= 1
-SHLIB_MINOR= 0
+dynamic:
+ $(CC) -fpic -DPIC $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) stacktraverse.c -o stacktraverse.So
+ $(CC) -fpic -DPIC $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) execinfo.c -o execinfo.So
+ $(CC) -shared -Wl,-soname,libexecinfo.so.1 -o libexecinfo.so.1 stacktraverse.So execinfo.So
-NOPROFILE= yes
-
-DPADD= ${LIBM}
-LDADD= -lm
-
-#WARNS?= 4
-
-#stacktraverse.c: gen.py
-# ./gen.py > stacktraverse.c
-
-.include <bsd.lib.mk>
+clean:
+ rm -rf *.o *.So *.a *.so

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@ -0,0 +1,20 @@
name = libexecinfo
version = 1.1
URL = http://distcache.freebsd.org/local-distfiles/itetcu/libexecinfo-$(version).tar.bz2
patches = 10-execinfo.patch 20-define-gnu-source.patch 30-linux-makefile.patch
fake_root_install_backend = fake_root_install_custom
SYSCONF ?= ../../
include $(SYSCONF)/package.mk
CFLAGS += -fno-omit-frame-pointer
export CFLAGS
fake_root_install_custom:
install -D -m755 $(bdir)/execinfo.h $(pkg_fake_root_dir)/$(PREFIX)/include/execinfo.h
install -D -m755 $(bdir)/stacktraverse.h $(pkg_fake_root_dir)/$(PREFIX)/include/stacktraverse.h
install -D -m755 $(bdir)/libexecinfo.a $(pkg_fake_root_dir)/$(PREFIX)/lib/libexecinfo.a
install -D -m755 $(bdir)/libexecinfo.so.1 $(pkg_fake_root_dir)/$(PREFIX)/lib/libexecinfo.so.1
ln -s $(PREFIX)/lib/libexecinfo.so.1 $(pkg_fake_root_dir)/$(PREFIX)/lib/libexecinfo.so