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Tue Jun 23 11:14:04 1998 Michael Snyder <msnyder@cleaver.cygnus.com>

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* config/mips/tm-irix5.h: Modify to work better on irix 6, by
	making FP registers 8 bytes instead of 4.
	REGISTER_BYTES: redefine.  REGISTER_BYTE(): redefine.
	REGISTER_VIRTUAL_TYPE: redefine.  MIPS_LAST_ARG_REGNUM: redefine.
	* irix5-nat.c (fetch_core_registers): read 8 bytes per FP register.
	* mips-tdep.c (FP_REGISTER_DOUBLE): new macro to distinguish
	targets with 8-byte FP registers (don't use TARGET_MIPS64).
	(STACK_ARGSIZE): new macro, how much space is taken up on the
	stack for each function argument (don't use TARGET_MIPS64).
	(mips_push_arguments): modify logic to work better on Irix 6
	(n32 ABI).
This commit is contained in:
Michael Snyder
1998-06-23 18:22:43 +00:00
parent ebb6416960
commit a00dfa360a
4 changed files with 123 additions and 18 deletions
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18
gdb/irix5-nat.c
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@ -192,7 +192,8 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
{
memcpy ((char *)registers, core_reg_sect, core_reg_size);
}
else if (core_reg_size == (2 * REGISTER_BYTES) && MIPS_REGSIZE == 4)
else if (MIPS_REGSIZE == 4 &&
core_reg_size == (2 * MIPS_REGSIZE) * NUM_REGS)
{
/* This is a core file from a N32 executable, 64 bits are saved
for all registers. */
@ -210,7 +211,20 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
*dstp++ = *srcp++;
*dstp++ = *srcp++;
*dstp++ = *srcp++;
srcp += 4;
if (REGISTER_RAW_SIZE(regno) == 4)
{
/* copying 4 bytes from eight bytes?
I don't see how this can be right... */
srcp += 4;
}
else
{
/* copy all 8 bytes (sizeof(double)) */
*dstp++ = *srcp++;
*dstp++ = *srcp++;
*dstp++ = *srcp++;
*dstp++ = *srcp++;
}
}
else
{