Add shared library build

.gitignore

@@ -1,5 +1,7 @@
 *.o
 *.d
+*.lo
+*.la
 riscv-fesvr
 riscv-isa-sim-32
 riscv-isa-sim-64
@@ -26,6 +28,8 @@ Makefile.in
 /ylwrap
 .deps/
 .dirstamp
+.libs
+libtool
 
 autom4te.cache
 /autoscan.log

Makefile.am

@@ -10,29 +10,43 @@ TRDB_LINKER_INCLUDES = -Ilib/riscv-binutils-gdb/include -Ilib/riscv-binutils-gdb
 TRDB_ALL_LINKER_FLAGS = -Llib/riscv-binutils-gdb/opcodes -Llib/riscv-binutils-gdb/bfd -Llib/riscv-binutils-gdb/libiberty -Llib/riscv-binutils-gdb/zlib
 TRDB_ALL_LINKER_LIBS= -lbfd -lopcodes -liberty -lz -ldl -lc
 
+# TRDB CLI tool
 trdb_SOURCES = src/trace_debugger.c src/utils.c src/serialize.c \
 	src/error.c src/disassembly.c src/trdb.c
 
 trdb_LDFLAGS = $(TRDB_ALL_LINKER_FLAGS)
 trdb_LDADD = $(TRDB_ALL_LINKER_LIBS)
 
+# Tests
 tests_SOURCES = src/trace_debugger.c src/utils.c src/serialize.c \
 	src/error.c src/disassembly.c test/tests.c
 tests_LDFLAGS = $(TRDB_ALL_LINKER_FLAGS)
 tests_LDADD = $(TRDB_ALL_LINKER_LIBS)
 
+# Benchmarks
 benchmarks_SOURCES = src/trace_debugger.c src/utils.c src/serialize.c \
 	src/error.c src/disassembly.c benchmark/benchmarks.c
 benchmarks_LDFLAGS = $(TRDB_ALL_LINKER_FLAGS)
 benchmarks_LDADD = $(TRDB_ALL_LINKER_LIBS)
 
-noinst_LIBRARIES = libtrdb.a
-libtrdb_a_SOURCES = src/trace_debugger.c src/utils.c src/serialize.c \
-	src/error.c src/disassembly.c
+# Dynamic library
+lib_LTLIBRARIES = libtrdb.la
+libtrdb_la_SOURCES = src/trace_debugger.c src/utils.c src/serialize.c \
+	src/error.c src/disassembly.c dpi/trdb_sv.c
+libtrdb_la_LDFLAGS = $(TRDB_ALL_LINKER_FLAGS)
+libtrdb_la_LIBADD  = $(TRDB_ALL_LINKER_LIBS)
+
+include_HEADERS = include/disassembly.h include/serialize.h include/trace_debugger.h
 
 AM_CFLAGS = -std=gnu11 -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-function -Wno-missing-braces -fdiagnostics-color
 AM_CPPFLAGS = -D_GNU_SOURCE -I. -Iinclude -Iinternal $(TRDB_LINKER_INCLUDES)
 
+# workaround for shared source files
+# https://www.gnu.org/software/automake/manual/html_node/Objects-created-both-with-libtool-and-without.html
+trdb_CFLAGS = $(AM_CFLAGS)
+tests_CFLAGS = $(AM_CFLAGS)
+benchmarks_CFLAGS = $(AM_CFLAGS)
+
 doxygen-doc: doxyfile
 	doxygen doxyfile
 

README.org

@@ -9,6 +9,7 @@
    + decompress trace packets
    + disassemble traces
    + model a trace encoding source (processor interface to trace packets)
+   + used as part of a RTL testbench through DPI
 
    The =trdb= command line tool is used to provide a command line interface to
    =libtrdb= functionalities.
@@ -40,8 +41,8 @@
 
    instead of =./configure=.
 
-   =libtrdb.a= is a library for using the C-model, the decompression and
-   disassembly functionality.
+   =libtrdb.so= is a library for providing the C-model, decompression,
+   disassembly functionality and a simple interface using the SystemVerilog DPI.
 
    Run
 

configure.ac

@@ -5,12 +5,13 @@ AM_INIT_AUTOMAKE([-Wall foreign subdir-objects])
 AC_PROG_CC
 AC_PROG_RANLIB
 AM_PROG_AR
+LT_INIT
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_FILES([
  Makefile
 ])
-AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/bfd], [--enable-targets=riscv32])
-AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/opcodes], [--enable-targets=riscv32])
-AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/libiberty])
-AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/zlib])
+AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/bfd], [--enable-targets=riscv32, --with-pic])
+AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/opcodes], [--enable-targets=riscv32, --with-pic])
+AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/libiberty], [], [[CFLAGS=-O2 -g -fpic]])
+AX_SUBDIRS_CONFIGURE([lib/riscv-binutils-gdb/zlib], [], [[CFLAGS=-O2 -g -fpic]])
 AC_OUTPUT