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update linux/android rules and reduce fps for intel-specific rules #927

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merged 2 commits into from
Aug 16, 2024
Merged

update linux/android rules and reduce fps for intel-specific rules #927

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1f8e576
android: add / update rules
mike-hunhoff Aug 16, 2024
1419444
intel: match intel archs to avoid fps on others
mike-hunhoff Aug 16, 2024
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3 changes: 3 additions & 0 deletions host-interaction/log/debug/write-event/print-debug-messages.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,3 +13,6 @@ rule:
- or:
- api: DbgPrint
- api: kernel32.OutputDebugString
- and:
- os: android
- api: __android_log_print
3 changes: 3 additions & 0 deletions lib/calculate-modulo-256-via-x86-assembly.yml
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Expand Up @@ -15,6 +15,9 @@ rule:
# and ecx, 800000FFh
# and ecx, 0FFh
- and:
- or:
- arch: i386
- arch: amd64
Comment on lines +18 to +20
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and + 0xFF appear very frequently in ARM resulting in FPs for dependent rules, so we limit this rule to Intel archs

- mnemonic: and
- or:
- number: 0x800000FF
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19 changes: 19 additions & 0 deletions nursery/delete-file-on-linux.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
rule:
meta:
name: delete file on Linux
namespace: host-interaction/file-system/delete
authors:
- mehunhoff@google.com
scopes:
static: basic block
dynamic: call
mbc:
- File System::Delete File [C0047]
features:
- and:
- or:
- os: linux
- os: android
- or:
- api: unlink
- api: unlinkat
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