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Rename RELOLIS to RELOPPC_LIS.

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This relocation is specific to PowerPC.  @davidgiven suggested the
name RELOPPC_LIS in
https://github.com/davidgiven/ack/pull/52#issuecomment-279856501

Reindent the list in h/out.h and util/led/ack.out.5 because
RELOLIS_PPC is a long name.  I use spaces and no tabs because the tabs
looked bad in the manual page.
This commit is contained in:
George Koehler 2017-10-18 15:39:31 -04:00
parent 41f3bf78cd
commit 73ad5a227d
5 changed files with 23 additions and 22 deletions
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2
h/out.h
View file

@ -66,7 +66,7 @@ struct outname {
#define RELO2 2 /* 2 bytes */
#define RELO4 3 /* 4 bytes */
#define RELOPPC 4 /* PowerPC 26-bit address */
#define RELOLIS 5 /* PowerPC lis */
#define RELOPPC_LIS 5 /* PowerPC lis */
#define RELOVC4 6 /* VideoCore IV address in 32-bit instruction */
#define RELPC 0x2000 /* pc relative */

6
mach/powerpc/as/mach5.c
View file

@ -42,8 +42,8 @@ void emit_hl(word_t in)
case OP_HA: /* ha16[expr] */
if (PASS_RELO && (hl_expr.typ & S_TYP) != S_ABS) {
/*
* RELOLIS only works with lis _, _ (same as
* addis _, r0, _). Check if instruction
* RELOPPC_LIS only works with lis _, _ (same
* as addis _, r0, _). Check if instruction
* isn't addis or register RA isn't r0.
*/
if ((in & 0xfc1f0000) != (0x3c000000))
@ -55,7 +55,7 @@ void emit_hl(word_t in)
* Low 26 bits: signed offset
*/
fit(fitx(hl_expr.val, 26));
newrelo(hl_expr.typ, RELOLIS | FIXUPFLAGS);
newrelo(hl_expr.typ, RELOPPC_LIS | FIXUPFLAGS);
reg = (in >> 21) & 0x1f;
in = (hl_token == OP_HA) << 31;
in |= reg << 26;

2
util/amisc/ashow.c
View file

@ -140,7 +140,7 @@ showrelo()
case RELOPPC:
printf("\tPowerPC 26-bit address\n");
break;
case RELOLIS:
case RELOPPC_LIS:
printf("\tPowerPC lis instruction\n");
break;
case RELOVC4:

15
util/led/ack.out.5
View file

@ -162,12 +162,13 @@ struct outrelo {
* relocation type bits
*/
#define RELSZ 0x0fff /* relocation length */
#define RELO1 0x01 /* 1 byte */
#define RELO2 0x02 /* 2 bytes */
#define RELO4 0x03 /* 4 bytes */
#define RELOPPC 0x04 /* 26-bit PowerPC address */
#define RELOLIS 0x05 /* PowerPC lis */
#define RELOVC4 0x06 /* VideoCore IV address in 32-bit insruction */
#define RELO1 1 /* 1 byte */
#define RELO2 2 /* 2 bytes */
#define RELO4 3 /* 4 bytes */
#define RELOPPC 4 /* PowerPC 26-bit address */
#define RELOPPC_LIS 5 /* PowerPC lis */
#define RELOVC4 6 /* VideoCore IV address in 32-bit instruction */
#define RELPC 0x2000 /* pc relative */
#define RELBR 0x4000 /* High order byte lowest address. */
#define RELWR 0x8000 /* High order word lowest address. */
@ -231,7 +232,7 @@ VideoCore IV instruction.
The relocation depends on the instruction, and uses an offset encoded
in the instruction.
.PP
RELOLIS assembles a PowerPC \fBlis\fR instruction.
RELOPPC_LIS assembles a PowerPC \fBlis\fR instruction.
The relocatable datum is a 4-byte integer.
The high bit is set for ha16 or clear for hi16.
The next 5 bits are the register \fIRT\fR.

6
util/led/relocate.c
View file

@ -169,7 +169,7 @@ static uint32_t get_powerpc_valu(char* addr, uint16_t type)
(unsigned long)opcode1, (unsigned long)opcode2);
}
/* RELOLIS stores a signed 26-bit offset in the low bits. */
/* RELOPPC_LIS stores a signed 26-bit offset in the low bits. */
static uint32_t get_lis_valu(char *addr, uint16_t type)
{
uint32_t valu = read4(addr, type) & 0x03ffffff;
@ -193,7 +193,7 @@ static uint32_t getvalu(char* addr, uint16_t type)
return read4(addr, type);
case RELOPPC:
return get_powerpc_valu(addr, type);
case RELOLIS:
case RELOPPC_LIS:
return get_lis_valu(addr, type);
case RELOVC4:
return get_vc4_valu(addr);
@ -389,7 +389,7 @@ static putvalu(uint32_t valu, char* addr, uint16_t type)
case RELOPPC:
put_powerpc_valu(addr, valu, type);
break;
case RELOLIS:
case RELOPPC_LIS:
put_lis_valu(addr, valu, type);
break;
case RELOVC4: