Make profiling=1 work for chromium-android

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 0daf4440f775d6bf7e0884519a7593afdfab7f2d..e8c63bd9bb6edcca93458652318d74dc38217d0f 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -2604,6 +2604,12 @@
                           '__ARM_ARCH_5TE__',
                         ],
                       }],
+                      ['profiling==1', {
+                        'cflags': [
+                          '-marm', # Probably reduntant, but recommend by "perf" docs.
+                          '-mapcs', # Seems required for -fno-omit-frame-pointer

[digit1, 2012/11/28 22:36:49]

Can I ask you to change this to -mapcs-frame, it is equivalent but slightly less
ambiguous.

Also, do you need to remove -fno-omit-frame-pointer too to ensure that stack
frames are generated for leaf functions?

[Nico, 2012/11/29 00:44:57]

Looks like this didn't happen?

+                        ],
+                      }],
                       ['clang==1', {
                         'cflags!': [
                           # Clang does not support the following options.