From: ceriel Date: Tue, 8 Nov 1988 13:47:18 +0000 (+0000) Subject: changes in search for more speed X-Git-Tag: release-5-5~2747 X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=246554a0b17e06a847ead0e64f03d677ddf5b09e;p=ack.git changes in search for more speed --- diff --git a/mach/vax4/ce/Make.back b/mach/vax4/ce/Make.back index cecf394b5..30d6a5168 100644 --- a/mach/vax4/ce/Make.back +++ b/mach/vax4/ce/Make.back @@ -1,7 +1,7 @@ EMHOME=../../../.. CEG=$(EMHOME)/lib/ceg SOURCE=$(CEG)/ce_back/obj_back -CFLAGS=-O +CFLAGS=-O #-pg CC=cc IDIRS=-I.\ diff --git a/mach/vax4/ce/Makefile b/mach/vax4/ce/Makefile index 7e6327508..831217e01 100644 --- a/mach/vax4/ce/Makefile +++ b/mach/vax4/ce/Makefile @@ -1,8 +1,11 @@ EMHOME=../../.. BACK=$(EMHOME)/lib/ceg/ce_back -install : back.a - install_ceg +all : back.a + make -f ce_makefile + +install: all + make -f ce_makefile install clean: rm -rf back.a back diff --git a/mach/vax4/ce/mach.c b/mach/vax4/ce/mach.c index 11c878fd8..2f5d874bb 100644 --- a/mach/vax4/ce/mach.c +++ b/mach/vax4/ce/mach.c @@ -27,7 +27,7 @@ static int been_here; gen4((FOUR_BYTES) 0); if ( !been_here++) { - fputs("Warning : dummy float-constant(s)\n", stderr); + fprint(STDERR, "Warning : dummy float-constant(s)\n"); } #else double f; diff --git a/mach/vax4/ce/output.c b/mach/vax4/ce/output.c index f344d1edc..1c18ddf41 100644 --- a/mach/vax4/ce/output.c +++ b/mach/vax4/ce/output.c @@ -18,7 +18,10 @@ extern File *out_file; static struct exec u_header; -long ntext, ndata, nrelo, nchar, base_address(); +long ntext, ndata, nrelo, nchar; + +long base_address[SEGBSS+1]; + static int trsize=0, drsize=0; static struct relocation_info *u_reloc; @@ -29,6 +32,7 @@ output() { register int i; register struct nlist *u_name; + register struct outrelo *rp; /* * Convert relocation data structures. This also requires @@ -41,16 +45,18 @@ output() u_reloc = (struct relocation_info *) Malloc((unsigned)nrelo*sizeof(struct relocation_info)); - for (i = 0; i < nrelo; i++) { - if ( ( reloc_info[i].or_sect-S_MIN) == SEGTXT && - convert_reloc( &reloc_info[i], u_reloc)) { + rp = reloc_info; + for (i = nrelo; i > 0; i--, rp++) { + if ( ( rp->or_sect-S_MIN) == SEGTXT && + convert_reloc( rp, u_reloc)) { trsize++; u_reloc++; } } - for (i = 0; i < nrelo; i++) { - if ( ( reloc_info[i].or_sect-S_MIN) != SEGTXT && - convert_reloc( &reloc_info[i], u_reloc)) { + rp = reloc_info; + for (i = nrelo; i > 0; i--, rp++) { + if ( ( rp->or_sect-S_MIN) != SEGTXT && + convert_reloc( rp, u_reloc)) { u_reloc++; drsize++; } @@ -98,39 +104,42 @@ reduce_name_table() */ #define S_NEEDED 0x8000 -#define removable(nm) (!(nm.on_type & S_NEEDED) && *(nm.on_foff+string_area) == GENLAB) +#define removable(nm) (!(nm->on_type & S_NEEDED) && *(nm->on_foff+string_area) == GENLAB) register int *diff_index = (int *) Malloc((unsigned)(nname + 1) * sizeof(int)); register int i; + register struct outname *np; char *new_str; register char *p, *q; + register struct relocation_info *rp; *diff_index++ = 0; - for (i = 0; i < nrelo; i++) { - if (u_reloc[i].r_extern) { - symbol_table[u_reloc[i].r_symbolnum].on_type |= S_NEEDED; + rp = u_reloc; + for (i = nrelo; i > 0; i--, rp++) { + if (rp->r_extern) { + symbol_table[rp->r_symbolnum].on_type |= S_NEEDED; } } - for (i = 0; i < nname; i++) { + np = symbol_table; + for (i = 0; i < nname; i++, np++) { int old_diff_index = diff_index[i-1]; - if (removable(symbol_table[i])) { + if (removable(np)) { diff_index[i] = old_diff_index + 1; } else { diff_index[i] = old_diff_index; if (old_diff_index) { - symbol_table[i - old_diff_index] = symbol_table[i]; + symbol_table[i - old_diff_index] = *np; } } } nname -= diff_index[nname - 1]; - for (i = 0; i < nrelo; i++) { - register struct relocation_info *rp = &u_reloc[i]; - + rp = u_reloc; + for (i = nrelo; i > 0; i--, rp++) { if (rp->r_extern) { rp->r_symbolnum -= diff_index[rp->r_symbolnum]; } @@ -139,9 +148,10 @@ reduce_name_table() free((char *)(diff_index-1)); new_str = q = Malloc((unsigned)(string - string_area)); - for (i = 0; i < nname; i++) { - p = symbol_table[i].on_foff + string_area; - symbol_table[i].on_foff = q - new_str; + np = symbol_table; + for (i = nname; i > 0; i--, np++) { + p = np->on_foff + string_area; + np->on_foff = q - new_str; while (*q++ = *p) p++; } free(string_area); @@ -171,8 +181,8 @@ init_unixheader() } convert_reloc( a_relo, u_relo) -struct outrelo *a_relo; -struct relocation_info *u_relo; +register struct outrelo *a_relo; +register struct relocation_info *u_relo; { int retval = 1; @@ -208,65 +218,43 @@ struct relocation_info *u_relo; #define n_str n_un.n_strx convert_name( a_name, u_name) -struct outname *a_name; -struct nlist *u_name; +register struct outname *a_name; +register struct nlist *u_name; { /* print( "naam is %s\n", a_name->on_foff + string_area); */ u_name->n_str = a_name->on_foff + 4; - fill_type( &(u_name->n_type), &(a_name->on_type), a_name->on_valu); + if ((a_name->on_type & S_TYP) == S_UND || + (a_name->on_type & S_EXT)) u_name->n_type = N_EXT; + else u_name->n_type = 0; + if (a_name->on_valu != -1 && (! (a_name->on_type & S_COM))) { + switch((a_name->on_type & S_TYP) - S_MIN) { + case SEGTXT: + u_name->n_type |= N_TEXT; + break; + case SEGCON: + u_name->n_type |= N_DATA; + break; + case SEGBSS: + u_name->n_type |= N_BSS; + break; + default: + fprint(STDERR, "convert_name(): bad section %d\n", + (a_name->on_type & S_TYP) - S_MIN); + break; + } + } u_name->n_other = '\0'; u_name->n_desc = 0; if (a_name->on_type & S_COM) u_name->n_value = a_name->on_valu; else if ( a_name->on_valu != -1) u_name->n_value = a_name->on_valu + - base_address( ( a_name->on_type & S_TYP) - S_MIN); + base_address[( a_name->on_type & S_TYP) - S_MIN]; else u_name->n_value = 0; } - -fill_type( u_type, a_type, valu) -unsigned char *u_type; -ushort *a_type; -long valu; -{ - int sect; - - *u_type = ((*a_type&S_TYP) == S_UND || (*a_type & S_EXT)) ? N_EXT : 0; - - if ( valu != -1 && (! (*a_type & S_COM))) { - sect = ( *a_type & S_TYP ) - S_MIN; - switch ( sect) { - case SEGTXT: *u_type |= N_TEXT; - break; - case SEGCON : *u_type |= N_DATA; - break; - case SEGBSS : *u_type |= N_BSS; - break; - default: fprint(STDERR, - "fill_type() : bad section %d\n", sect); - } - } -} - - -long base_address( seg) -int seg; -{ - switch ( seg) { - case SEGTXT : return( 0); - break; - case SEGCON : return( text - text_area); - break; - case SEGBSS : return( text - text_area + data - data_area); - break; - default : fprint( STDERR, - "base_adres() : bad section %d\n", seg); - } -} - put_stringtablesize( n) long n; { diff --git a/mach/vax4/ce/relocation.c b/mach/vax4/ce/relocation.c index e4a92c58c..3e6fd56b4 100644 --- a/mach/vax4/ce/relocation.c +++ b/mach/vax4/ce/relocation.c @@ -3,12 +3,9 @@ #include "data.h" #include "back.h" -long get4(); -extern long base_address(); -/* -extern short get2(); -extern char get1(); -*/ +/* Written to run on SUN, and generate code for SUN */ + +extern long base_address[]; do_local_relocation() { @@ -16,11 +13,13 @@ do_local_relocation() /* print( "n relocation records %d\n", relo - reloc_info); */ + base_address[SEGTXT] = 0; + base_address[SEGCON] = text - text_area; + base_address[SEGBSS] = base_address[SEGCON] + data - data_area; for ( rp = reloc_info; rp < relo; rp++) { register struct outname *np = &symbol_table[rp->or_nami]; if ( np->on_valu != -1 && ! (np->on_type & S_COM)) { - register long oldval,newval; register char *sect; switch( rp->or_sect - S_MIN) { @@ -36,19 +35,12 @@ do_local_relocation() rp->or_sect - S_MIN); break; } - oldval = get4( sect, rp->or_addr); - newval = oldval + np->on_valu + - base_address( (np->on_type & S_TYP) -S_MIN); if ( rp->or_type & RELO4) - put4( sect, rp->or_addr, newval); - /* - else if ( rp->or_type & RELO2) - put2( sect, rp->or_addr, (int) newval); - else if ( rp->or_type & RELO1) - put1( sect, rp->or_addr, (char) newval); - */ + *((long *)(sect+rp->or_addr)) += + np->on_valu + + base_address[(np->on_type&S_TYP)-S_MIN]; else - print( STDERR, + fprint( STDERR, "do_relo() : bad relocation size\n"); } }