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Update context code for my last ABI breakage of mcontext. I'm worried

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about the fpu code here.  It should be using fxsave/fxrstor instead of
saving/restoring the control word.  The SSE registers are used a lot in
gcc generated code on amd64.  I'm not sure how this all fits together
though.
This commit is contained in:
Peter Wemm 2003-10-17 16:30:09 +00:00
parent 31423309c2
commit eaa9864401
2 changed files with 16 additions and 14 deletions
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15
lib/libkse/arch/amd64/amd64/context.S
View File

@ -79,10 +79,10 @@ __FBSDID("$FreeBSD$");
* Where do we define these?
*/
#define MC_SIZE 800 /* sizeof mcontext_t */
#define MC_LEN_OFFSET (24*8) /* offset to mc_len from mcontext */
#define MC_FPFMT_OFFSET (25*8) /* offset to mc_fpformat from mcontext */
#define MC_FPFMT_NODEV 0x10000
#define MC_OWNEDFP_OFFSET (26*8) /* offset to mc_ownedfp from mcontext */
#define MC_LEN_OFFSET (25*8) /* offset to mc_len from mcontext */
#define MC_FPFMT_OFFSET (26*8) /* offset to mc_fpformat from mcontext */
#define MC_FPFMT_NODEV 0x10000
#define MC_OWNEDFP_OFFSET (27*8) /* offset to mc_ownedfp from mcontext */
#define MC_OWNEDFP_NONE 0x20000
#define MC_OWNEDFP_FPU 0x20001
#define MC_OWNEDFP_PCB 0x20002
@ -104,9 +104,10 @@ __FBSDID("$FreeBSD$");
#define MC_R13 (13 * 8)
#define MC_R14 (14 * 8)
#define MC_R15 (15 * 8)
#define MC_RIP (19 * 8)
#define MC_RFLAGS (21 * 8)
#define MC_RSP (22 * 8)
#define MC_FLAGS (18 * 8)
#define MC_RIP (20 * 8)
#define MC_RFLAGS (22 * 8)
#define MC_RSP (23 * 8)
/*
* _amd64_ctx_save(mcontext_t *mcp)

15
lib/libpthread/arch/amd64/amd64/context.S
View File

@ -79,10 +79,10 @@ __FBSDID("$FreeBSD$");
* Where do we define these?
*/
#define MC_SIZE 800 /* sizeof mcontext_t */
#define MC_LEN_OFFSET (24*8) /* offset to mc_len from mcontext */
#define MC_FPFMT_OFFSET (25*8) /* offset to mc_fpformat from mcontext */
#define MC_FPFMT_NODEV 0x10000
#define MC_OWNEDFP_OFFSET (26*8) /* offset to mc_ownedfp from mcontext */
#define MC_LEN_OFFSET (25*8) /* offset to mc_len from mcontext */
#define MC_FPFMT_OFFSET (26*8) /* offset to mc_fpformat from mcontext */
#define MC_FPFMT_NODEV 0x10000
#define MC_OWNEDFP_OFFSET (27*8) /* offset to mc_ownedfp from mcontext */
#define MC_OWNEDFP_NONE 0x20000
#define MC_OWNEDFP_FPU 0x20001
#define MC_OWNEDFP_PCB 0x20002
@ -104,9 +104,10 @@ __FBSDID("$FreeBSD$");
#define MC_R13 (13 * 8)
#define MC_R14 (14 * 8)
#define MC_R15 (15 * 8)
#define MC_RIP (19 * 8)
#define MC_RFLAGS (21 * 8)
#define MC_RSP (22 * 8)
#define MC_FLAGS (18 * 8)
#define MC_RIP (20 * 8)
#define MC_RFLAGS (22 * 8)
#define MC_RSP (23 * 8)
/*
* _amd64_ctx_save(mcontext_t *mcp)