diff options
Diffstat (limited to 'src/pkg/runtime/symtab.c')
| -rw-r--r-- | src/pkg/runtime/symtab.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/pkg/runtime/symtab.c b/src/pkg/runtime/symtab.c index 2485586855..d7221c4767 100644 --- a/src/pkg/runtime/symtab.c +++ b/src/pkg/runtime/symtab.c @@ -195,12 +195,13 @@ static int32 nfname; static uint32 funcinit; static Lock funclock; +static uintptr lastvalue; static void dofunc(Sym *sym) { Func *f; - + switch(sym->symtype) { case 't': case 'T': @@ -208,6 +209,11 @@ dofunc(Sym *sym) case 'L': if(runtime·strcmp(sym->name, (byte*)"etext") == 0) break; + if(sym->value < lastvalue) { + runtime·printf("symbols out of order: %p before %p\n", lastvalue, sym->value); + runtime·throw("malformed symbol table"); + } + lastvalue = sym->value; if(func == nil) { nfunc++; break; @@ -544,6 +550,7 @@ buildfuncs(void) // count funcs, fnames nfunc = 0; nfname = 0; + lastvalue = 0; walksymtab(dofunc); // Initialize tables. @@ -553,6 +560,7 @@ buildfuncs(void) func[nfunc].entry = (uint64)etext; fname = runtime·mallocgc(nfname*sizeof fname[0], FlagNoPointers, 0, 1); nfunc = 0; + lastvalue = 0; walksymtab(dofunc); // split pc/ln table by func |