8l: correct Plan 9 compiler warnings

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4390047

diff --git a/src/cmd/8l/asm.c b/src/cmd/8l/asm.c
index 4f37df5e43d90adb3927cc0822277a9a17b35550..b9bd0dae998eb97b793e9f8c8388be7066cb5f04 100644 (file)
--- a/src/cmd/8l/asm.c
+++ b/src/cmd/8l/asm.c
@@ -307,6 +307,7 @@ elfsetupplt(void)
 int
 archreloc(Reloc *r, Sym *s, vlong *val)
 {
+       USED(s);
        switch(r->type) {
        case D_CONST:
                *val = r->add;
@@ -644,7 +645,7 @@ asmb(void)
 {
        int32 v, magic;
        int a, dynsym;
-       uint32 va, fo, w, symo, startva, machlink;
+       uint32 symo, startva, machlink;
        ElfEhdr *eh;
        ElfPhdr *ph, *pph;
        ElfShdr *sh;
@@ -776,7 +777,6 @@ asmb(void)
                lputb(0L);
                lputb(~0L);                     /* gp value ?? */
                break;
-               lputl(0);                       /* x */
        case Hunixcoff: /* unix coff */
                /*
                 * file header
@@ -892,13 +892,10 @@ asmb(void)
                        debug['d'] = 1;
 
                eh = getElfEhdr();
-               fo = HEADR;
                startva = INITTEXT - HEADR;
-               va = startva + fo;
-               w = segtext.filelen;
 
                /* This null SHdr must appear before all others */
-               sh = newElfShdr(elfstr[ElfStrEmpty]);
+               newElfShdr(elfstr[ElfStrEmpty]);
 
                /* program header info */
                pph = newElfPhdr();
@@ -1214,6 +1211,6 @@ genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*))
                                put(nil, a->asym->name, 'p', a->aoffset, 0, 0, a->gotype);
        }
        if(debug['v'] || debug['n'])
-               Bprint(&bso, "symsize = %ud\n", symsize);
+               Bprint(&bso, "symsize = %uld\n", symsize);
        Bflush(&bso);
 }