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@ -34,10 +34,13 @@ static uint32_t read4(char* addr, int type)
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{
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unsigned short word0, word1;
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if (type & RELBR) {
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if (type & RELBR)
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{
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word0 = (UBYTE(addr[0]) << WIDTH) + UBYTE(addr[1]);
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word1 = (UBYTE(addr[2]) << WIDTH) + UBYTE(addr[3]);
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} else {
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}
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else
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{
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word0 = (UBYTE(addr[1]) << WIDTH) + UBYTE(addr[0]);
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word1 = (UBYTE(addr[3]) << WIDTH) + UBYTE(addr[2]);
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}
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@ -145,14 +148,12 @@ static uint32_t get_powerpc_valu(char* addr, uint16_t type)
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/* branch instruction */
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return opcode1 & 0x03fffffd;
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}
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) &&
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((opcode2 & 0xfc000000) == 0x60000000))
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) && ((opcode2 & 0xfc000000) == 0x60000000))
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{
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/* addis / ori instruction pair */
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return ((opcode1 & 0xffff) << 16) | (opcode2 & 0xffff);
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}
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) &&
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is_powerpc_memory_op(opcode2))
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) && is_powerpc_memory_op(opcode2))
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{
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/* addis / memoryop instruction pair */
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uint16_t hi = opcode1 & 0xffff;
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@ -166,7 +167,8 @@ static uint32_t get_powerpc_valu(char* addr, uint16_t type)
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return ((hi << 16) | lo);
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}
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fatal("Don't know how to read from PowerPC fixup on instructions 0x%08lx+0x%08lx",
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fatal(
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"Don't know how to read from PowerPC fixup on instructions 0x%08lx+0x%08lx",
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(unsigned long)opcode1, (unsigned long)opcode2);
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}
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@ -209,7 +211,8 @@ static uint32_t get_mips_valu(char* addr)
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*/
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static uint32_t getvalu(char* addr, uint16_t type)
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{
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switch (type & RELSZ) {
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switch (type & RELSZ)
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{
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case RELO1:
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return UBYTE(addr[0]);
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case RELO2:
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@ -236,10 +239,13 @@ static void write2(uint16_t valu, char* addr, int type)
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{
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unsigned short word0, word1;
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if (type & RELBR) {
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if (type & RELBR)
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{
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addr[0] = valu >> WIDTH;
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addr[1] = valu;
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} else {
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}
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else
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{
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addr[0] = valu;
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addr[1] = valu >> WIDTH;
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}
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@ -249,19 +255,25 @@ static void write4(uint32_t valu, char* addr, int type)
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{
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unsigned short word0, word1;
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if (type & RELWR) {
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if (type & RELWR)
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{
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word0 = valu >> (2 * WIDTH);
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word1 = valu;
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} else {
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}
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else
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{
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word0 = valu;
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word1 = valu >> (2 * WIDTH);
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}
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if (type & RELBR) {
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if (type & RELBR)
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{
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addr[0] = word0 >> WIDTH;
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addr[1] = word0;
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addr[2] = word1 >> WIDTH;
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addr[3] = word1;
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} else {
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}
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else
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{
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addr[0] = word0;
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addr[1] = word0 >> WIDTH;
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addr[2] = word1;
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@ -340,8 +352,7 @@ static void put_powerpc_valu(char* addr, uint32_t value, uint16_t type)
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i |= value & 0x03fffffd;
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write4(i, addr, type);
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}
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) &&
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((opcode2 & 0xfc000000) == 0x60000000))
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) && ((opcode2 & 0xfc000000) == 0x60000000))
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{
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/* addis / ori instruction pair */
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uint16_t hi = value >> 16;
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@ -350,8 +361,7 @@ static void put_powerpc_valu(char* addr, uint32_t value, uint16_t type)
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write4((opcode1 & 0xffff0000) | hi, addr + 0, type);
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write4((opcode2 & 0xffff0000) | lo, addr + 4, type);
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}
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) &&
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is_powerpc_memory_op(opcode2))
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) && is_powerpc_memory_op(opcode2))
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{
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/* addis / memoryop instruction pair */
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uint16_t hi = value >> 16;
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@ -367,7 +377,8 @@ static void put_powerpc_valu(char* addr, uint32_t value, uint16_t type)
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}
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else
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fatal("Don't know how to write a PowerPC fixup to instructions 0x%08lx+0x%08lx",
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fatal(
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"Don't know how to write a PowerPC fixup to instructions 0x%08lx+0x%08lx",
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(unsigned long)opcode1, (unsigned long)opcode2);
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}
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@ -435,7 +446,8 @@ static void put_mips_valu(char* addr, uint32_t value)
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static putvalu(uint32_t valu, char* addr, uint16_t type)
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{
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switch (type & RELSZ) {
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switch (type & RELSZ)
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{
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case RELO1:
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addr[0] = valu;
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break;
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@ -483,9 +495,7 @@ extern struct orig relorig[];
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* Second case: we must update the value by the change
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* in position of the section of local.
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*/
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static unsigned
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addrelo(relo, names, valu_out)
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struct outrelo *relo;
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static unsigned addrelo(relo, names, valu_out) struct outrelo* relo;
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struct outname* names;
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long* valu_out; /* Out variable. */
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{
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@ -493,13 +503,16 @@ addrelo(relo, names, valu_out)
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register unsigned short index = NLocals;
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register long valu = *valu_out;
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if ((local->on_type & S_SCT)) {
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if ((local->on_type & S_SCT))
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{
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register int sectindex = (local->on_type & S_TYP) - S_MIN;
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valu += relorig[sectindex].org_size;
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valu += outsect[sectindex].os_base;
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index += NGlobals + sectindex;
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} else {
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}
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else
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{
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register struct outname* name;
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extern int hash();
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extern struct outname* searchname();
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@ -509,16 +522,20 @@ addrelo(relo, names, valu_out)
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name = searchname(local->on_mptr, hash(local->on_mptr));
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if (name == (struct outname*)0)
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fatal("name %s not found in pass 2", local->on_mptr);
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if (ISCOMMON(name) || ISUNDEFINED(name)) {
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if (ISCOMMON(name) || ISUNDEFINED(name))
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{
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debug("can't relocate from %s\n", local->on_mptr, 0, 0, 0);
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index += indexof(name);
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} else {
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}
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else
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{
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valu += name->on_valu;
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if ((name->on_type & S_TYP) == S_ABS) {
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if ((name->on_type & S_TYP) == S_ABS)
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{
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index += NGlobals + outhead.oh_nsect;
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}
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else index += NGlobals +
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(name->on_type & S_TYP) - S_MIN;
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else
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index += NGlobals + (name->on_type & S_TYP) - S_MIN;
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}
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}
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*valu_out = valu;
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@ -530,8 +547,7 @@ addrelo(relo, names, valu_out)
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* which the header is pointed to by `head'. Relocation is relative to the
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* names in `names'; `relo' tells how to relocate.
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*/
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relocate(head, emit, names, relo, off)
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struct outhead *head;
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relocate(head, emit, names, relo, off) struct outhead* head;
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char* emit;
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struct outname names[];
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struct outrelo* relo;
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@ -553,10 +569,13 @@ relocate(head, emit, names, relo, off)
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* - a section name
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* - the first name outside! the name table (argh)
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*/
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if (relo->or_nami < head->oh_nname) {
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if (relo->or_nami < head->oh_nname)
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{
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/* First two cases. */
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relo->or_nami = addrelo(relo, names, &valu);
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} else {
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}
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else
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{
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/*
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* Third case: it is absolute. The relocation of absolute
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* names is always 0. We only need to change the index.
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