[PATCH] Additional modula2 tests.

[Gaius Mulley <gaiusmod2@gmail.com>]

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Tom Tromey <tom@tromey.com> writes:

> This changes the Modula-2 code to use generic_emit_char and
> generic_printstr.  I have no way to test this.

Hi Tom and gdb developers,

here is a proposed patch for gdb and some new files which enable testing
of binaries generated from Modula-2 source files.  breakpointm2 and
printformatted are included as a start.  These patches and new files
have been tested against the gdb git repro of Tue Mar 15 08:53:27 2022
and no new failures occur after the patches have been applied and new
files added.  It was tested on a Debian Bullseye amd64 machine with
regular packages (gcc-10 and gm2-10 etc).


2022-03-16  Gaius Mulley  <gaiusmod2@gmail.com>

	Adding some modula-2 test cases and the tcl infastructure to
	support modula-2.

	* configure.ac (GM2_FOR_BUILD): Added.  (GM2_FOR_TARGET): Added.
	* gdb/testsuite/lib/gdb.exp (skip_modula2_tests): New function.
	* gdb/testsuite/lib/modula2.exp: New file.
	* gdb/testsuite/gdb.modula2/breakpointm2.mod: New file.
	* gdb/testsuite/gdb.modula2/breakpointm2.exp: New file.
	* gdb/testsuite/gdb.modula2/printformattedm2.exp: New file.
	* gdb/testsuite/gdb.modula2/printformattedm2.mod: New file.


diff --git a/configure.ac b/configure.ac
index da4e41d7247..351d3f9655b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1270,6 +1270,7 @@ if test "${build}" != "${host}" ; then
   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
   CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
   GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
+  GM2_FOR_BUILD=${GM2_FOR_BUILD-gccm2}
   GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
   DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
   LD_FOR_BUILD=${LD_FOR_BUILD-ld}
@@ -1283,6 +1284,7 @@ else
   CC_FOR_BUILD="\$(CC)"
   CXX_FOR_BUILD="\$(CXX)"
   GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
+  GM2_FOR_BUILD="\$(GM2)"
   GOC_FOR_BUILD="\$(GOC)"
   DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
   LD_FOR_BUILD="\$(LD)"
@@ -3374,6 +3376,7 @@ AC_SUBST(CXXFLAGS_FOR_BUILD)
 AC_SUBST(CXX_FOR_BUILD)
 AC_SUBST(DLLTOOL_FOR_BUILD)
 AC_SUBST(GFORTRAN_FOR_BUILD)
+AC_SUBST(GM2_FOR_BUILD)
 AC_SUBST(GOC_FOR_BUILD)
 AC_SUBST(LDFLAGS_FOR_BUILD)
 AC_SUBST(LD_FOR_BUILD)
@@ -3501,6 +3504,7 @@ NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
+NCN_STRICT_CHECK_TARGET_TOOLS(GM2_FOR_TARGET, gccm2)
 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
 
 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
@@ -3533,6 +3537,8 @@ GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
 		[gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
+GCC_TARGET_TOOL(gccm2, GM2_FOR_TARGET, GM2,
+		[gcc/gm2 -B$$r/$(HOST_SUBDIR)/gcc/], modula-2)
 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
 		[gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index a35d08a05de..e368a0dfccb 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -2295,6 +2295,12 @@ proc skip_d_tests {} {
     return 0
 }
 
+# Return a 1 if I don't even want to try to test Modula2.
+
+proc skip_modula2_tests {} {
+    return 0
+}
+
 # Return 1 to skip Rust tests, 0 to try them.
 proc skip_rust_tests {} {
     if { ![isnative] } {


new Modula-2 source tests and associated tcl driver scripts:


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regards,
Gaius