diff options
Diffstat (limited to 'src/liblink/list6.c')
| -rw-r--r-- | src/liblink/list6.c | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/src/liblink/list6.c b/src/liblink/list6.c new file mode 100644 index 000000000..fe708d877 --- /dev/null +++ b/src/liblink/list6.c @@ -0,0 +1,406 @@ +// Inferno utils/6c/list.c +// http://code.google.com/p/inferno-os/source/browse/utils/6c/list.c +// +// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. +// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) +// Portions Copyright © 1997-1999 Vita Nuova Limited +// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) +// Portions Copyright © 2004,2006 Bruce Ellis +// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) +// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others +// Portions Copyright © 2009 The Go Authors. All rights reserved. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include <u.h> +#include <libc.h> +#include <bio.h> +#include <link.h> +#include "../cmd/6l/6.out.h" + +// +// Format conversions +// %A int Opcodes (instruction mnemonics) +// +// %D Addr* Addresses (instruction operands) +// Flags: "%lD": seperate the high and low words of a constant by "-" +// +// %P Prog* Instructions +// +// %R int Registers +// +// %$ char* String constant addresses (for internal use only) + +static int Aconv(Fmt *fp); +static int Dconv(Fmt *fp); +static int Pconv(Fmt *fp); +static int Rconv(Fmt *fp); +static int DSconv(Fmt *fp); + +enum +{ + STRINGSZ = 1000 +}; + +#pragma varargck type "$" char* + +void +listinit6(void) +{ + fmtinstall('A', Aconv); + fmtinstall('D', Dconv); + fmtinstall('P', Pconv); + fmtinstall('R', Rconv); + + // for internal use + fmtinstall('$', DSconv); +} + +static Prog* bigP; + +static int +Pconv(Fmt *fp) +{ + char str[STRINGSZ]; + Prog *p; + + p = va_arg(fp->args, Prog*); + bigP = p; + switch(p->as) { + case ADATA: + sprint(str, "%.5lld (%L) %A %D/%d,%D", + p->pc, p->lineno, p->as, &p->from, p->from.scale, &p->to); + break; + + case ATEXT: + if(p->from.scale) { + sprint(str, "%.5lld (%L) %A %D,%d,%lD", + p->pc, p->lineno, p->as, &p->from, p->from.scale, &p->to); + break; + } + sprint(str, "%.5lld (%L) %A %D,%lD", + p->pc, p->lineno, p->as, &p->from, &p->to); + break; + + default: + sprint(str, "%.5lld (%L) %A %D,%D", + p->pc, p->lineno, p->as, &p->from, &p->to); + break; + } + bigP = nil; + return fmtstrcpy(fp, str); +} + +static int +Aconv(Fmt *fp) +{ + int i; + + i = va_arg(fp->args, int); + return fmtstrcpy(fp, anames6[i]); +} + +static int +Dconv(Fmt *fp) +{ + char str[STRINGSZ], s[STRINGSZ]; + Addr *a; + int i; + + a = va_arg(fp->args, Addr*); + i = a->type; + + if(fp->flags & FmtLong) { + if(i == D_CONST) + sprint(str, "$%lld-%lld", a->offset&0xffffffffLL, a->offset>>32); + else { + // ATEXT dst is not constant + sprint(str, "!!%D", a); + } + goto brk; + } + + if(i >= D_INDIR) { + if(a->offset) + sprint(str, "%lld(%R)", a->offset, i-D_INDIR); + else + sprint(str, "(%R)", i-D_INDIR); + goto brk; + } + switch(i) { + default: + if(a->offset) + sprint(str, "$%lld,%R", a->offset, i); + else + sprint(str, "%R", i); + break; + + case D_NONE: + str[0] = 0; + break; + + case D_BRANCH: + if(a->sym != nil) + sprint(str, "%s(SB)", a->sym->name); + else if(bigP != nil && bigP->pcond != nil) + sprint(str, "%lld", bigP->pcond->pc); + else if(a->u.branch != nil) + sprint(str, "%lld", a->u.branch->pc); + else + sprint(str, "%lld(PC)", a->offset); + break; + + case D_EXTERN: + sprint(str, "%s+%lld(SB)", a->sym->name, a->offset); + break; + + case D_STATIC: + sprint(str, "%s<>+%lld(SB)", a->sym->name, a->offset); + break; + + case D_AUTO: + if(a->sym) + sprint(str, "%s+%lld(SP)", a->sym->name, a->offset); + else + sprint(str, "%lld(SP)", a->offset); + break; + + case D_PARAM: + if(a->sym) + sprint(str, "%s+%lld(FP)", a->sym->name, a->offset); + else + sprint(str, "%lld(FP)", a->offset); + break; + + case D_CONST: + sprint(str, "$%lld", a->offset); + break; + + case D_FCONST: + sprint(str, "$(%.17g)", a->u.dval); + break; + + case D_SCONST: + sprint(str, "$\"%$\"", a->u.sval); + break; + + case D_ADDR: + a->type = a->index; + a->index = D_NONE; + sprint(str, "$%D", a); + a->index = a->type; + a->type = D_ADDR; + goto conv; + } +brk: + if(a->index != D_NONE) { + sprint(s, "(%R*%d)", (int)a->index, (int)a->scale); + strcat(str, s); + } +conv: + return fmtstrcpy(fp, str); +} + +char* regstr[] = +{ + "AL", /* [D_AL] */ + "CL", + "DL", + "BL", + "SPB", + "BPB", + "SIB", + "DIB", + "R8B", + "R9B", + "R10B", + "R11B", + "R12B", + "R13B", + "R14B", + "R15B", + + "AX", /* [D_AX] */ + "CX", + "DX", + "BX", + "SP", + "BP", + "SI", + "DI", + "R8", + "R9", + "R10", + "R11", + "R12", + "R13", + "R14", + "R15", + + "AH", + "CH", + "DH", + "BH", + + "F0", /* [D_F0] */ + "F1", + "F2", + "F3", + "F4", + "F5", + "F6", + "F7", + + "M0", + "M1", + "M2", + "M3", + "M4", + "M5", + "M6", + "M7", + + "X0", + "X1", + "X2", + "X3", + "X4", + "X5", + "X6", + "X7", + "X8", + "X9", + "X10", + "X11", + "X12", + "X13", + "X14", + "X15", + + "CS", /* [D_CS] */ + "SS", + "DS", + "ES", + "FS", + "GS", + + "GDTR", /* [D_GDTR] */ + "IDTR", /* [D_IDTR] */ + "LDTR", /* [D_LDTR] */ + "MSW", /* [D_MSW] */ + "TASK", /* [D_TASK] */ + + "CR0", /* [D_CR] */ + "CR1", + "CR2", + "CR3", + "CR4", + "CR5", + "CR6", + "CR7", + "CR8", + "CR9", + "CR10", + "CR11", + "CR12", + "CR13", + "CR14", + "CR15", + + "DR0", /* [D_DR] */ + "DR1", + "DR2", + "DR3", + "DR4", + "DR5", + "DR6", + "DR7", + + "TR0", /* [D_TR] */ + "TR1", + "TR2", + "TR3", + "TR4", + "TR5", + "TR6", + "TR7", + + "TLS", /* [D_TLS] */ + "NONE", /* [D_NONE] */ +}; + +static int +Rconv(Fmt *fp) +{ + char str[STRINGSZ]; + int r; + + r = va_arg(fp->args, int); + if(r >= D_AL && r <= D_NONE) + sprint(str, "%s", regstr[r-D_AL]); + else + sprint(str, "gok(%d)", r); + + return fmtstrcpy(fp, str); +} + +static int +DSconv(Fmt *fp) +{ + int i, c; + char str[STRINGSZ], *p, *a; + + a = va_arg(fp->args, char*); + p = str; + for(i=0; i<sizeof(double); i++) { + c = a[i] & 0xff; + if(c >= 'a' && c <= 'z' || + c >= 'A' && c <= 'Z' || + c >= '0' && c <= '9') { + *p++ = c; + continue; + } + *p++ = '\\'; + switch(c) { + default: + if(c < 040 || c >= 0177) + break; /* not portable */ + p[-1] = c; + continue; + case 0: + *p++ = 'z'; + continue; + case '\\': + case '"': + *p++ = c; + continue; + case '\n': + *p++ = 'n'; + continue; + case '\t': + *p++ = 't'; + continue; + } + *p++ = (c>>6) + '0'; + *p++ = ((c>>3) & 7) + '0'; + *p++ = (c & 7) + '0'; + } + *p = 0; + return fmtstrcpy(fp, str); +} |