From f308e37f42c33d18bafbbbf821a70a1ca2d7e655 Mon Sep 17 00:00:00 2001
From: Thomas Lively <7121787+tlively@users.noreply.github.com>
Date: Tue, 18 May 2021 19:33:58 -0700
Subject: [wasm-split] Add a --symbolmap option (#3894)

The new option emits a symbol map file for each of the split modules. The file
names are created by appending ".symbols" to each of the Wasm output file
names.
---
 test/lit/wasm-split/invalid-options.wast |  6 ++++++
 test/lit/wasm-split/symbolmap.wast       | 24 ++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 test/lit/wasm-split/symbolmap.wast

(limited to 'test/lit/wasm-split')

diff --git a/test/lit/wasm-split/invalid-options.wast b/test/lit/wasm-split/invalid-options.wast
index 20e74196d..32899b87b 100644
--- a/test/lit/wasm-split/invalid-options.wast
+++ b/test/lit/wasm-split/invalid-options.wast
@@ -13,6 +13,10 @@
 ;; RUN: not wasm-split %s --instrument -o2 %t 2>&1 \
 ;; RUN:   | filecheck %s --check-prefix INSTRUMENT-OUT2
 
+;; --instrument cannot be used with --symbolmap
+;; RUN: not wasm-split %s --instrument --symbolmap 2>&1 \
+;; RUN:   | filecheck %s --check-prefix INSTRUMENT-SYMBOLMAP
+
 ;; --instrument cannot be used with --import-namespace
 ;; RUN: not wasm-split %s --instrument --import-namespace=foo 2>&1 \
 ;; RUN:   | filecheck %s --check-prefix INSTRUMENT-IMPORT-NS
@@ -47,6 +51,8 @@
 
 ;; INSTRUMENT-OUT2: error: secondary output cannot be used with --instrument
 
+;; INSTRUMENT-SYMBOLMAP: error: --symbolmap cannot be used with --instrument
+
 ;; INSTRUMENT-IMPORT-NS: error: --import-namespace cannot be used with --instrument
 
 ;; INSTRUMENT-PLACEHOLDER-NS: error: --placeholder-namespace cannot be used with --instrument
diff --git a/test/lit/wasm-split/symbolmap.wast b/test/lit/wasm-split/symbolmap.wast
new file mode 100644
index 000000000..4fe0f5291
--- /dev/null
+++ b/test/lit/wasm-split/symbolmap.wast
@@ -0,0 +1,24 @@
+;; RUN: wasm-split %s --keep-funcs=bar -o1 %t.1.wasm -o2 %t.2.wasm --symbolmap
+;; RUN: filecheck %s --check-prefix PRIMARY-MAP < %t.1.wasm.symbols
+;; RUN: filecheck %s --check-prefix SECONDARY-MAP < %t.2.wasm.symbols
+;; RUN: wasm-dis %t.1.wasm | filecheck %s --check-prefix PRIMARY
+
+;; PRIMARY-MAP: 0:bar
+
+;; SECONDARY-MAP: 0:baz
+;; SECONDARY-MAP: 1:foo
+
+;; Check that the names have been stripped.
+;; PRIMARY: (func $0
+
+(module
+  (func $foo
+    (nop)
+  )
+  (func $bar
+    (nop)
+  )
+  (func $baz
+    (nop)
+  )
+)
-- 
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