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GP-1752_emteere Detecting PIC conditional branch to next instruction as

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a goto vice a call
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emteere
2022-02-22 15:56:14 +00:00
parent 026fad27ab
commit 0d242f52ad
1 changed files with 9 additions and 0 deletions
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9
Ghidra/Processors/ARM/data/languages/ARMinstructions.sinc
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@@ -2257,6 +2257,15 @@ ArmPCRelImmed12: reloff is U23=0 & immed & rotate
goto Addr24;
}
# bl<COND> used as a PIC instruction to get at current PC in lr
:bl^COND Addr24 is $(AMODE) & COND & c2527=5 & L24=1 & immed24=0xffffff & Addr24
{
build COND;
build Addr24;
lr = inst_next;
goto Addr24;
}
:bl Addr24 is $(AMODE) & cond=14 & c2527=5 & L24=1 & Addr24
{
lr = inst_next;