libmach: Unify coff32getidx and elfgetidx - scc - simple c99 compiler
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---
DIR commit a4c40d95dec037a875469cddc7987c8d3783c86a
DIR parent 260689938154916eebc6d7002c81f001a8771ab3
HTML Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Fri, 8 May 2026 19:44:40 +0200
libmach: Unify coff32getidx and elfgetidx
Diffstat:
M src/libmach/Makefile | 1 +
M src/libmach/coff32/Makefile | 2 --
D src/libmach/coff32/coff32getidx.c | 13 -------------
D src/libmach/coff32/coff32xgetidx.c | 73 -------------------------------
A src/libmach/getidx32.c | 72 +++++++++++++++++++++++++++++++
M src/libmach/getindex.c | 17 +++++++++++++----
M src/libmach/libmach.h | 2 +-
7 files changed, 87 insertions(+), 93 deletions(-)
---
DIR diff --git a/src/libmach/Makefile b/src/libmach/Makefile
@@ -17,6 +17,7 @@ OBJS =\
delobj.o\
findsec.o\
findseg.o\
+ getidx32.o\
getindex.o\
getsec.o\
getsym.o\
DIR diff --git a/src/libmach/coff32/Makefile b/src/libmach/coff32/Makefile
@@ -6,7 +6,6 @@ include $(PROJECTDIR)/scripts/rules.mk
OBJS =\
coff32archs.o\
coff32del.o\
- coff32getidx.o\
coff32getsec.o\
coff32getsym.o\
coff32loadmap.o\
@@ -20,7 +19,6 @@ OBJS =\
coff32strip.o\
coff32type.o\
coff32write.o\
- coff32xgetidx.o\
COFFHDRS =\
$(INCDIR)/bits/scc/coff32/aouthdr.h\
DIR diff --git a/src/libmach/coff32/coff32getidx.c b/src/libmach/coff32/coff32getidx.c
@@ -1,13 +0,0 @@
-#include <stdio.h>
-
-#include <scc/mach.h>
-#include <scc/coff32.h>
-
-#include "../libmach.h"
-#include "fun.h"
-
-int
-coff32getidx(long *nsyms, char ***namep, long **offsp, FILE *fp)
-{
- return coff32xgetidx(BIG_ENDIAN, nsyms, namep, offsp, fp);
-}
DIR diff --git a/src/libmach/coff32/coff32xgetidx.c b/src/libmach/coff32/coff32xgetidx.c
@@ -1,73 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <scc/mach.h>
-#include <scc/cstd.h>
-#include <scc/coff32.h>
-
-#include "../libmach.h"
-#include "fun.h"
-
-int
-coff32xgetidx(int order, long *nsyms, char ***namep, long **offsp, FILE *fp)
-{
- long i, n;
- long *offs;
- char **names;
- unsigned char buf[EXTIDENTSIZ+1];
-
- if (fread(buf, 4, 1, fp) != 1)
- return -1;
- unpack(order, buf, "l", &n);
-
- if (n <= 0)
- return -1;
-
- if ((names = calloc(sizeof(char *), n)) == NULL)
- return -1;
-
- if ((offs = calloc(sizeof(long), n)) == NULL)
- goto err1;
-
- for (i = 0; i < n; i++) {
- fread(buf, 4, 1, fp);
- unpack(order, buf, "l", offs[i]);
- }
-
- for (i = 0; i < n; i++) {
- int j, c;
- char *s;
-
- for (j = 0; j < EXTIDENTSIZ; j++) {
- if ((c = getc(fp)) == EOF || c == '\0')
- break;
- buf[j] = c;
- }
- if (c != '\0')
- goto err2;
- buf[j] = '\0';
-
- if ((s = malloc(j)) == NULL)
- goto err2;
- memcpy(s, buf, j);
- names[i]= s;
- }
-
- if (ferror(fp))
- goto err2;
-
- *offsp = offs;
- *namep = names;
- *nsyms = n;
-
- return 0;
-
-err2:
- free(offs);
-err1:
- for (i = 0; i < n; i++)
- free(names[i]);
- free(*names);
- return -1;
-}
DIR diff --git a/src/libmach/getidx32.c b/src/libmach/getidx32.c
@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <scc/mach.h>
+#include <scc/cstd.h>
+#include <scc/coff32.h>
+
+#include "libmach.h"
+
+int
+getidx32(int order, long *nsyms, char ***namep, long **offsp, FILE *fp)
+{
+ long i, n;
+ long *offs;
+ char **names;
+ unsigned char buf[EXTIDENTSIZ+1];
+
+ if (fread(buf, 4, 1, fp) != 1)
+ return -1;
+ unpack(order, buf, "l", &n);
+
+ if (n <= 0)
+ return -1;
+
+ if ((names = calloc(sizeof(char *), n)) == NULL)
+ return -1;
+
+ if ((offs = calloc(sizeof(long), n)) == NULL)
+ goto err1;
+
+ for (i = 0; i < n; i++) {
+ fread(buf, 4, 1, fp);
+ unpack(order, buf, "l", offs[i]);
+ }
+
+ for (i = 0; i < n; i++) {
+ int j, c;
+ char *s;
+
+ for (j = 0; j < EXTIDENTSIZ; j++) {
+ if ((c = getc(fp)) == EOF || c == '\0')
+ break;
+ buf[j] = c;
+ }
+ if (c != '\0')
+ goto err2;
+ buf[j] = '\0';
+
+ if ((s = malloc(j)) == NULL)
+ goto err2;
+ memcpy(s, buf, j);
+ names[i]= s;
+ }
+
+ if (ferror(fp))
+ goto err2;
+
+ *offsp = offs;
+ *namep = names;
+ *nsyms = n;
+
+ return 0;
+
+err2:
+ free(offs);
+err1:
+ for (i = 0; i < n; i++)
+ free(names[i]);
+ free(*names);
+ return -1;
+}
DIR diff --git a/src/libmach/getindex.c b/src/libmach/getindex.c
@@ -8,9 +8,13 @@
#include "elf/fun.h"
#include "coff32/fun.h"
-static int (*ops[NFORMATS])(long *, char ***, long **, FILE *) = {
- [COFF32] = coff32getidx,
-};
+static int (*ops[NFORMATS])(int, long *, char ***, long **, FILE *);
+
+static int
+getidx(int type, long *nsyms, char ***namep, long **offsp, FILE *fp)
+{
+ return getidx32(BIG_ENDIAN, nsyms, namep, offsp, fp);
+}
int
getindex(int type, long *nsyms, char ***names, long **offs, FILE *fp)
@@ -23,6 +27,11 @@ getindex(int type, long *nsyms, char ***names, long **offs, FILE *fp)
return -1;
}
- return (*ops[fmt])(nsyms, names, offs, fp);
+ return (*ops[fmt])(type, nsyms, names, offs, fp);
}
+static int (*ops[NFORMATS])(int, long *, char ***, long **, FILE *) = {
+ [COFF32] = getidx,
+ [ELF] = getidx,
+};
+
DIR diff --git a/src/libmach/libmach.h b/src/libmach/libmach.h
@@ -1,7 +1,7 @@
#ifdef stdin
int copysec(Mapsec *, FILE *);
int setidx32(int, long, char *[], long [], FILE *);
-int setidx64(int, long, char *[], long [], FILE *);
+int getidx32(int, long *, char ***, long **, FILE *);
#endif
/* common functions */