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Diffstat (limited to 'src/runtime')
-rw-r--r--src/runtime/runtime2.go2
-rw-r--r--src/runtime/symtab.go25
2 files changed, 16 insertions, 11 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go
index 3672b19f76..1deeb1244c 100644
--- a/src/runtime/runtime2.go
+++ b/src/runtime/runtime2.go
@@ -1009,7 +1009,7 @@ const (
type _func struct {
sys.NotInHeap // Only in static data
- entryOff uint32 // start pc, as offset from moduledata.text/pcHeader.textStart
+ entryOff uint32 // start pc, as offset from moduledata.text
nameOff int32 // function name, as index into moduledata.funcnametab.
args int32 // in/out args size
diff --git a/src/runtime/symtab.go b/src/runtime/symtab.go
index 62ad8d1361..3a814cd203 100644
--- a/src/runtime/symtab.go
+++ b/src/runtime/symtab.go
@@ -374,13 +374,19 @@ func (f *_func) funcInfo() funcInfo {
// pcHeader holds data used by the pclntab lookups.
type pcHeader struct {
- magic uint32 // 0xFFFFFFF1
- pad1, pad2 uint8 // 0,0
- minLC uint8 // min instruction size
- ptrSize uint8 // size of a ptr in bytes
- nfunc int // number of functions in the module
- nfiles uint // number of entries in the file tab
- textStart uintptr // base for function entry PC offsets in this module, equal to moduledata.text
+ magic uint32 // 0xFFFFFFF1
+ pad1, pad2 uint8 // 0,0
+ minLC uint8 // min instruction size
+ ptrSize uint8 // size of a ptr in bytes
+ nfunc int // number of functions in the module
+ nfiles uint // number of entries in the file tab
+
+ // The next field used to be textStart. This is no longer stored
+ // as it requires a relocation. Code should use the moduledata text
+ // field instead. This unused field can be removed in coordination
+ // with Delve.
+ _ uintptr
+
funcnameOffset uintptr // offset to the funcnametab variable from pcHeader
cuOffset uintptr // offset to the cutab variable from pcHeader
filetabOffset uintptr // offset to the filetab variable from pcHeader
@@ -618,10 +624,9 @@ func moduledataverify1(datap *moduledata) {
// Check that the pclntab's format is valid.
hdr := datap.pcHeader
if hdr.magic != 0xfffffff1 || hdr.pad1 != 0 || hdr.pad2 != 0 ||
- hdr.minLC != sys.PCQuantum || hdr.ptrSize != goarch.PtrSize || hdr.textStart != datap.text {
+ hdr.minLC != sys.PCQuantum || hdr.ptrSize != goarch.PtrSize {
println("runtime: pcHeader: magic=", hex(hdr.magic), "pad1=", hdr.pad1, "pad2=", hdr.pad2,
- "minLC=", hdr.minLC, "ptrSize=", hdr.ptrSize, "pcHeader.textStart=", hex(hdr.textStart),
- "text=", hex(datap.text), "pluginpath=", datap.pluginpath)
+ "minLC=", hdr.minLC, "ptrSize=", hdr.ptrSize, "pluginpath=", datap.pluginpath)
throw("invalid function symbol table")
}