ld: Document current "search" behavior

SourceryTools · Nov 17, 2022 · 02a433c · 02a433c
1 parent d93bdb4
commit 02a433c
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diff --git a/test/GLOBAL_FUNCTION_DECL_f.s b/test/GLOBAL_FUNCTION_DECL_f.s
@@ -0,0 +1,8 @@
+// BEGIN PREAMBLE
+.version	3.1
+.target	sm_35
+.address_size 64
+// END PREAMBLE
+
+// BEGIN GLOBAL FUNCTION DECL: f
+.visible .func (.param.u32 %value_out) f (.param.u32 %in_ar0, .param.u32 %in_ar1);
diff --git a/test/GLOBAL_FUNCTION_DEF_f.s b/test/GLOBAL_FUNCTION_DEF_f.s
@@ -0,0 +1,15 @@
+// BEGIN PREAMBLE
+.version	3.1
+.target	sm_35
+.address_size 64
+// END PREAMBLE
+
+// BEGIN GLOBAL FUNCTION DECL: f
+.visible .func (.param.u32 %value_out) f (.param.u32 %in_ar0, .param.u32 %in_ar1);
+
+// BEGIN GLOBAL FUNCTION DEF: f
+.visible .func (.param.u32 %value_out) f (.param.u32 %in_ar0, .param.u32 %in_ar1)
+{
+	// [...]
+	ret;
+}
diff --git a/test/ld/search-1.test b/test/ld/search-1.test
@@ -0,0 +1,86 @@
+"Search" behavior.
+
+
+RUN: rm -rf %t
+RUN: mkdir -p %t
+RUN: printf '\0' > %t/NUL
+
+
+Assemble.
+
+RUN: mkdir %t/o
+
+RUN: %target_as_cmd -o %t/o/GLOBAL_FUNCTION_DECL_f.o %S/../GLOBAL_FUNCTION_DECL_f.s
+
+RUN: %target_as_cmd -o %t/o/GLOBAL_FUNCTION_DEF_f.o %S/../GLOBAL_FUNCTION_DEF_f.s
+
+
+Archive.
+
+RUN: mkdir %t/a
+
+RUN: %target_ar_cmd rcs %t/a/libGLOBAL_FUNCTION_f.a %t/o/GLOBAL_FUNCTION_DEF_f.o
+
+
+Link manually.
+
+RUN: cat %t/o/GLOBAL_FUNCTION_DECL_f.o %t/NUL %t/o/GLOBAL_FUNCTION_DEF_f.o %t/NUL > %t.nvptx.golden
+
+
+Test.
+
+RUN: rm -f %t.nvptx
+RUN: %target_ld_cmd -o %t.nvptx %t/o/GLOBAL_FUNCTION_DECL_f.o %t/o/GLOBAL_FUNCTION_DEF_f.o > %t.stdout 2> %t.stderr
+RUN: cmp %t.nvptx.golden %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: ! test -s %t.stderr
+
+TODO Not testing with linker input file '%t/a/libGLOBAL_FUNCTION_f.a', as we don't support that yet.
+
+RUN: rm -f %t.nvptx
+RUN: %target_ld_cmd -o %t.nvptx -L%t/o ./GLOBAL_FUNCTION_DECL_f.o ./GLOBAL_FUNCTION_DEF_f.o > %t.stdout 2> %t.stderr; r=$?; [ x"$r" = x1 ]
+RUN: ! test -f %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: echo 'error opening ./GLOBAL_FUNCTION_DECL_f.o' > %t.stderr.golden
+RUN: cmp %t.stderr.golden %t.stderr
+
+TODO The following one unexpectedly works:
+
+RUN: rm -f %t.nvptx
+RUN: %target_ld_cmd -o %t.nvptx -L%t/o GLOBAL_FUNCTION_DECL_f.o GLOBAL_FUNCTION_DEF_f.o > %t.stdout 2> %t.stderr
+RUN: cmp %t.nvptx.golden %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: ! test -s %t.stderr
+
+RUN: rm -f %t.nvptx
+RUN: ( cd %t/o/ && %target_ld_cmd -o %t.nvptx GLOBAL_FUNCTION_DECL_f.o GLOBAL_FUNCTION_DEF_f.o > %t.stdout 2> %t.stderr )
+RUN: cmp %t.nvptx.golden %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: ! test -s %t.stderr
+
+RUN: rm -f %t.nvptx
+RUN: %target_ld_cmd -o %t.nvptx %t/o/GLOBAL_FUNCTION_DECL_f.o -L%t/a -lGLOBAL_FUNCTION_f > %t.stdout 2> %t.stderr
+RUN: cmp %t.nvptx.golden %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: ! test -s %t.stderr
+
+RUN: rm -f %t.nvptx
+RUN: %target_ld_cmd -o %t.nvptx %t/o/GLOBAL_FUNCTION_DECL_f.o -lGLOBAL_FUNCTION_f > %t.stdout 2> %t.stderr; r=$?; [ x"$r" = x1 ]
+RUN: ! test -f %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: echo 'error opening libGLOBAL_FUNCTION_f.a' > %t.stderr.golden
+RUN: cmp %t.stderr.golden %t.stderr
+
+TODO The following one unexpectedly works:
+
+RUN: rm -f %t.nvptx
+RUN: ( cd %t/a/ && %target_ld_cmd -o %t.nvptx %t/o/GLOBAL_FUNCTION_DECL_f.o -lGLOBAL_FUNCTION_f > %t.stdout 2> %t.stderr )
+RUN: cmp %t.nvptx.golden %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: ! test -s %t.stderr
+
+RUN: rm -f %t.nvptx
+RUN: ( cd %t/a/ && %target_ld_cmd -o %t.nvptx %t/o/GLOBAL_FUNCTION_DECL_f.o -L. -lGLOBAL_FUNCTION_f > %t.stdout 2> %t.stderr )
+RUN: cmp %t.nvptx.golden %t.nvptx
+RUN: ! test -s %t.stdout
+RUN: ! test -s %t.stderr