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i#7162 div sample: Ensure clean call opnd reg is ptr sized #7164

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merged 3 commits into from
Dec 21, 2024
Merged

i#7162 div sample: Ensure clean call opnd reg is ptr sized #7164

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f1c5d4a
i#7162 div sample: Ensure opnd reg is ptr sized
abhinav92003 Dec 20, 2024
8fbda2b
Use opnd instead of div_opnd
abhinav92003 Dec 20, 2024
725511b
Merge branch 'master' into i7162-fix-div-sample
abhinav92003 Dec 21, 2024
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9 changes: 7 additions & 2 deletions api/samples/div.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/* **********************************************************
* Copyright (c) 2014 Google, Inc. All rights reserved.
* Copyright (c) 2014-2024 Google, Inc. All rights reserved.
* Copyright (c) 2008 VMware, Inc. All rights reserved.
* **********************************************************/

Expand Down Expand Up @@ -137,8 +137,13 @@ event_app_instruction(void *drcontext, void *tag, instrlist_t *bb, instr_t *inst
/* if find div, insert a clean call to our instrumentation routine */
opnd_t opnd;
if (instr_is_div(instr, &opnd)) {
opnd_t div_opnd;
if (opnd_is_reg(opnd))
div_opnd = opnd_create_reg(reg_to_pointer_sized(opnd_get_reg(opnd)));
else
div_opnd = opnd;
dr_insert_clean_call(drcontext, bb, instr, (void *)callback, false /*no fp save*/,
2, OPND_CREATE_INTPTR(instr_get_app_pc(instr)), opnd);
2, OPND_CREATE_INTPTR(instr_get_app_pc(instr)), div_opnd);
}
return DR_EMIT_DEFAULT;
}
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