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proc: support multiple functions with the same name (#3297)

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The compiler produces ABI compatibility wrappers for some functions.
We have changed the support for breakpoints to allow a single logical
breakpoint to correspond to multiple physical breakpoints, take
advantage of that to set breakpoints on both the ABI wrapper and the
real function.

Fixes #3296
This commit is contained in:
Alessandro Arzilli
2023-03-22 19:38:09 +01:00
committed by GitHub
parent 1522382336
commit 3507ff977a
12 changed files with 105 additions and 44 deletions
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8
pkg/proc/dwarf_expr_test.go
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@ -153,7 +153,7 @@ func TestDwarfExprRegisters(t *testing.T) {
bi, _ := fakeBinaryInfo(t, dwb)
mainfn := bi.LookupFunc["main.main"]
mainfn := bi.LookupFunc()["main.main"][0]
mem := newFakeMemory(fakeCFA(), uint64(0), uint64(testCases["b"]))
regs := linutil.AMD64Registers{Regs: &linutil.AMD64PtraceRegs{}}
regs.Regs.Rax = uint64(testCases["a"])
@ -215,7 +215,7 @@ func TestDwarfExprComposite(t *testing.T) {
bi, _ := fakeBinaryInfo(t, dwb)
mainfn := bi.LookupFunc["main.main"]
mainfn := bi.LookupFunc()["main.main"][0]
mem := newFakeMemory(fakeCFA(), uint64(0), uint64(0), uint16(testCases["pair.v"]), []byte(stringVal))
var regs linutil.AMD64Registers
@ -289,7 +289,7 @@ func TestDwarfExprLoclist(t *testing.T) {
bi, _ := fakeBinaryInfo(t, dwb)
mainfn := bi.LookupFunc["main.main"]
mainfn := bi.LookupFunc()["main.main"][0]
mem := newFakeMemory(fakeCFA(), uint16(before), uint16(after))
const PC = 0x40100
@ -326,7 +326,7 @@ func TestIssue1419(t *testing.T) {
bi, _ := fakeBinaryInfo(t, dwb)
mainfn := bi.LookupFunc["main.main"]
mainfn := bi.LookupFunc()["main.main"][0]
mem := newFakeMemory(fakeCFA())