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Emit redirector functions in a fixed order.

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Otherwise the order changes each time, which will make the build
egregiously non-deterministic.

Change-Id: Idd501ecd118c61a27566eafc61157715e48758bc
Reviewed-on: https://boringssl-review.googlesource.com/15026
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
This commit is contained in:
Adam Langley 2017-04-13 11:10:44 -07:00 committed by CQ bot account: commit-bot@chromium.org
parent 61c4e27413
commit 2c673f15f6
1 changed files with 11 additions and 4 deletions
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15
crypto/fipsmodule/delocate.go
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@ -23,6 +23,7 @@ import (
"fmt"
"os"
"path/filepath"
"sort"
"strconv"
"strings"
"unicode/utf8"
@ -289,10 +290,16 @@ func transform(lines []string, symbols map[string]bool) (ret []string) {
ret = append(ret, "BORINGSSL_bcm_text_end:")
// Emit redirector functions. Each is a single JMP instruction.
for redirectorName, target := range redirectors {
ret = append(ret, ".type "+redirectorName+", @function")
ret = append(ret, redirectorName+":")
ret = append(ret, "\tjmp "+target)
var redirectorNames []string
for name := range redirectors {
redirectorNames = append(redirectorNames, name)
}
sort.Strings(redirectorNames)
for _, name := range redirectorNames {
ret = append(ret, ".type "+name+", @function")
ret = append(ret, name+":")
ret = append(ret, "\tjmp "+redirectors[name])
}
// Emit BSS accessor functions. Each is a single LEA followed by RET.