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author | Rafaël Carré <rafael.carre@gmail.com> | 2010-06-17 16:59:51 +0000 |
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committer | Rafaël Carré <rafael.carre@gmail.com> | 2010-06-17 16:59:51 +0000 |
commit | c0bd4173aa3b8f49153964d5a3ff311fc7d59651 (patch) | |
tree | fafdfbecb21383141a61bbd8c744386772da390b /utils/disassembler/arm/main.c | |
parent | 3d2b1cfa6e3307d3a97a055776ea342cd62f683e (diff) | |
download | rockbox-c0bd4173aa3b8f49153964d5a3ff311fc7d59651.tar.gz rockbox-c0bd4173aa3b8f49153964d5a3ff311fc7d59651.zip |
Make sure files which aren't windows-specific use \n line endings only
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26893 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'utils/disassembler/arm/main.c')
-rw-r--r-- | utils/disassembler/arm/main.c | 264 |
1 files changed, 132 insertions, 132 deletions
diff --git a/utils/disassembler/arm/main.c b/utils/disassembler/arm/main.c index 0edc633785..674696405c 100644 --- a/utils/disassembler/arm/main.c +++ b/utils/disassembler/arm/main.c @@ -1,132 +1,132 @@ -#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdint.h>
-
-#define ULONG uint32_t
-#define USHORT uint16_t
-#define UCHAR uint8_t
-
-ULONG isdata[1000000]; /* each bit defines one byte as: code=0, data=1 */
-
-extern void dis_asm(ULONG off, ULONG val, char *stg);
-
-int static inline le2int(unsigned char* buf)
-{
- int32_t res = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
-
- return res;
-}
-
-int main(int argc, char **argv)
-{
- FILE *in, *out;
- char *ptr, stg[256];
- unsigned char buf[4];
- ULONG pos, sz, val, loop;
- int offset, offset1;
- USHORT regid;
-
- if(argc == 1 || strcmp(argv[1], "--help") == 0)
- { printf("Usage: arm_disass [input file]\n");
- printf(" disassembles input file to 'disasm.txt'\n");
- exit(-1);
- }
-
- in = fopen(argv[1], "rb");
- if(in == NULL)
- { printf("Cannot open %s", argv[1]);
- exit(-1);
- }
-
- out = fopen("disasm.txt", "w");
- if(out == NULL) exit(-1);
-
- fseek(in, 0, SEEK_END);
- sz = ftell(in);
-
- /* first loop only sets data/code tags */
- for(loop=0; loop<2; loop++)
- {
- for(pos=0; pos<sz; pos+=4)
- {
- /* clear disassembler string start */
- memset(stg, 0, 40);
- /* read next code dword */
- fseek(in, pos, SEEK_SET);
- fread(buf, 1, 4, in);
-
- val = le2int(buf);
-
- /* check for data tag set: if 1 byte out of 4 is marked => assume data */
- if((isdata[pos>>5] & (0xf << (pos & 31))) || (val & 0xffff0000) == 0)
- {
- sprintf(stg, "%6x: %08x", pos, val);
- }
- else
- {
- dis_asm(pos, val, stg);
-
- /* check for instant mov operation */
- if(memcmp(stg+17, "mov ", 4) == 0 && (ptr=strstr(stg, "0x")) != NULL)
- {
- regid = *(USHORT*)(stg+22);
-
- sscanf(ptr+2, "%x", &offset);
- if(ptr[-1] == '-')
- offset = -offset;
- }
- else
- /* check for add/sub operation */
- if((ptr=strstr(stg, "0x")) != NULL
- && (memcmp(stg+17, "add ", 4) == 0 || memcmp(stg+17, "sub ", 4) == 0))
- {
- if(regid == *(USHORT*)(stg+22) && regid == *(USHORT*)(stg+26))
- {
- sscanf(ptr+2, "%x", &offset1);
- if(ptr[-1] == '-')
- offset1 = -offset1;
-
- if(memcmp(stg+17, "add ", 4) == 0) offset += offset1;
- else offset -= offset1;
-
- /* add result to disassembler string */
- sprintf(stg+strlen(stg), " <- 0x%x", offset);
- }
- else
- regid = 0;
- }
- else
- regid = 0;
-
- /* check for const data */
- if(memcmp(stg+26, "[pc, ", 5) == 0 && (ptr=strstr(stg, "0x")) != NULL)
- {
- sscanf(ptr+2, "%x", &offset);
- if(ptr[-1] == '-')
- offset = -offset;
-
- /* add data tag */
- isdata[(pos+offset+8)>>5] |= 1 << ((pos+offset+8) & 31);
-
- /* add const data to disassembler string */
- fseek(in, pos+offset+8, SEEK_SET);
- fread(&buf, 1, 4, in);
- offset = le2int(buf);
-
- sprintf(stg+strlen(stg), " <- 0x%x", offset);
- }
- }
-
- /* remove trailing spaces */
- while(stg[strlen(stg)-1] == 32)
- stg[strlen(stg)-1] = 0;
-
- if(loop == 1)
- fprintf(out, "%s\n", stg);
- }
- }
-
- fclose(in);
- return 0;
-}
+#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdint.h> + +#define ULONG uint32_t +#define USHORT uint16_t +#define UCHAR uint8_t + +ULONG isdata[1000000]; /* each bit defines one byte as: code=0, data=1 */ + +extern void dis_asm(ULONG off, ULONG val, char *stg); + +int static inline le2int(unsigned char* buf) +{ + int32_t res = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0]; + + return res; +} + +int main(int argc, char **argv) +{ + FILE *in, *out; + char *ptr, stg[256]; + unsigned char buf[4]; + ULONG pos, sz, val, loop; + int offset, offset1; + USHORT regid; + + if(argc == 1 || strcmp(argv[1], "--help") == 0) + { printf("Usage: arm_disass [input file]\n"); + printf(" disassembles input file to 'disasm.txt'\n"); + exit(-1); + } + + in = fopen(argv[1], "rb"); + if(in == NULL) + { printf("Cannot open %s", argv[1]); + exit(-1); + } + + out = fopen("disasm.txt", "w"); + if(out == NULL) exit(-1); + + fseek(in, 0, SEEK_END); + sz = ftell(in); + + /* first loop only sets data/code tags */ + for(loop=0; loop<2; loop++) + { + for(pos=0; pos<sz; pos+=4) + { + /* clear disassembler string start */ + memset(stg, 0, 40); + /* read next code dword */ + fseek(in, pos, SEEK_SET); + fread(buf, 1, 4, in); + + val = le2int(buf); + + /* check for data tag set: if 1 byte out of 4 is marked => assume data */ + if((isdata[pos>>5] & (0xf << (pos & 31))) || (val & 0xffff0000) == 0) + { + sprintf(stg, "%6x: %08x", pos, val); + } + else + { + dis_asm(pos, val, stg); + + /* check for instant mov operation */ + if(memcmp(stg+17, "mov ", 4) == 0 && (ptr=strstr(stg, "0x")) != NULL) + { + regid = *(USHORT*)(stg+22); + + sscanf(ptr+2, "%x", &offset); + if(ptr[-1] == '-') + offset = -offset; + } + else + /* check for add/sub operation */ + if((ptr=strstr(stg, "0x")) != NULL + && (memcmp(stg+17, "add ", 4) == 0 || memcmp(stg+17, "sub ", 4) == 0)) + { + if(regid == *(USHORT*)(stg+22) && regid == *(USHORT*)(stg+26)) + { + sscanf(ptr+2, "%x", &offset1); + if(ptr[-1] == '-') + offset1 = -offset1; + + if(memcmp(stg+17, "add ", 4) == 0) offset += offset1; + else offset -= offset1; + + /* add result to disassembler string */ + sprintf(stg+strlen(stg), " <- 0x%x", offset); + } + else + regid = 0; + } + else + regid = 0; + + /* check for const data */ + if(memcmp(stg+26, "[pc, ", 5) == 0 && (ptr=strstr(stg, "0x")) != NULL) + { + sscanf(ptr+2, "%x", &offset); + if(ptr[-1] == '-') + offset = -offset; + + /* add data tag */ + isdata[(pos+offset+8)>>5] |= 1 << ((pos+offset+8) & 31); + + /* add const data to disassembler string */ + fseek(in, pos+offset+8, SEEK_SET); + fread(&buf, 1, 4, in); + offset = le2int(buf); + + sprintf(stg+strlen(stg), " <- 0x%x", offset); + } + } + + /* remove trailing spaces */ + while(stg[strlen(stg)-1] == 32) + stg[strlen(stg)-1] = 0; + + if(loop == 1) + fprintf(out, "%s\n", stg); + } + } + + fclose(in); + return 0; +} |