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MIPS[64]: Generate snapshots on MIPS big-endian targets

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It is not possible to simulate big-endian systems on X64/X86,
so snapshots must be generated natively or using an emulator
such as qemu.

Bug: 
Change-Id: Ib7ea6fe27ea5da19f270251f18fbc5f1c43413ce
Reviewed-on: https://chromium-review.googlesource.com/771673
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Cr-Commit-Position: refs/heads/master@{#49621}
This commit is contained in:
Ivica Bogosavljevic 2017-11-15 16:33:48 +01:00 committed by Commit Bot
parent 8081c9da86
commit ecb98b8d7f
1 changed files with 8 additions and 4 deletions
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12
snapshot_toolchain.gni
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@ -63,6 +63,12 @@ if (v8_snapshot_toolchain == "") {
} else if (current_os == "win" && host_os == "mac" && is_clang) {
# This is a mac -> win cross-compile, which is only supported w/ clang.
v8_snapshot_toolchain = "//build/toolchain/mac:clang_${v8_current_cpu}"
} else if (host_cpu == "x64" &&
(v8_current_cpu == "mips" || v8_current_cpu == "mips64")) {
# We don't support snapshot generation for big-endian targets,
# therefore snapshots will need to be built using native mksnapshot
# in combination with qemu
v8_snapshot_toolchain = current_toolchain
} else if (host_cpu == "x64") {
# This is a cross-compile from an x64 host to either a non-Intel target
# cpu or a different target OS. Clang will always be used by default on the
@ -76,11 +82,9 @@ if (v8_snapshot_toolchain == "") {
if (v8_current_cpu == "x64" || v8_current_cpu == "x86") {
_cpus = v8_current_cpu
} else if (v8_current_cpu == "arm64" || v8_current_cpu == "mips64el" ||
v8_current_cpu == "mips64") {
} else if (v8_current_cpu == "arm64" || v8_current_cpu == "mips64el") {
_cpus = "x64_v8_${v8_current_cpu}"
} else if (v8_current_cpu == "arm" || v8_current_cpu == "mipsel" ||
v8_current_cpu == "mips") {
} else if (v8_current_cpu == "arm" || v8_current_cpu == "mipsel") {
_cpus = "x86_v8_${v8_current_cpu}"
} else {
# This branch should not be reached; leave _cpus blank so the assert